EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0. Product Guide P/N REV A04

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1 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide P/N REV A04 EMC Corporation Corporate Headquarters: Hopkinton, MA

2 Copyright EMC Corporation. All rights reserved. Published January 2010 EMC believes the information in this publication is accurate as of its publication date. The information is subject to change without notice. THE INFORMATION IN THIS PUBLICATION IS PROVIDED AS IS. EMC CORPORATION MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WITH RESPECT TO THE INFORMATION IN THIS PUBLICATION, AND SPECIFICALLY DISCLAIMS IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Use, copying, and distribution of any EMC software described in this publication requires an applicable software license. For the most up-to-date regulatory document for your product line, go to the Technical Documentation and Advisories section on the EMC Powerlink website. For the most up-to-date listing of EMC product names, see EMC Corporation Trademarks on EMC.com. All other trademarks used herein are the property of their respective owners. 2 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

3 Contents Preface Chapter 1 Chapter 2 Introducing EMC Celerra MPFS over FC Overview of EMC Celerra MPFS over FC EMC Celerra MPFS architectures EMC Celerra MPFS over Fibre Channel MPFS configuration summary How EMC Celerra MPFS works MPFS Environment Configuration Configuration roadmap Implementation guidelines Celerra with MPFS recommendations Storage configuration recommendations MPFS feature configurations MPFS installation and configuration process Configuration planning checklist Verifying system components Required hardware components Required software components Verifying configuration Verifying storage array requirements Verifying the Fibre Channel switch requirements (FC configuration) Verifying the IP-SAN CLARiiON CX3 or CX4 requirements Setting up the Celerra Network Server Setting up the file system EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide 3

4 Contents Before creating a file system Creating a file system on a Celerra Network Server Enabling MPFS for the Celerra Network Server Configuring the CLARiiON using CLI commands Best practices Configuring the SAN and storage Installing the Fibre Channel switch (FC configuration) Zoning the SAN switch (FC configuration) Enabling SP A and SP B FC interfaces (FC configuration).. 49 Creating a security file on the Celerra Network Server Access Logix configuration Configuring the storage system for PowerPath Installing PowerPath Installing the MPFS software Operating MPFS through a firewall Configuring and accessing storage Installing the Fibre Channel driver (FC configuration) Mounting the MPFS file system Chapter 3 Chapter 4 Installing PowerPath with MPFS PowerPath overview Before installing Locating PowerPath patches Installing PowerPath Related documentation Installing the MPFS Software on an HP-UX Server Before installing MPFS software Storage array Installing the MPFS software Before installing Recognizing storage system devices Mounting the CD Installing the MPFS software from a CD Installing the MPFS software from a tar file Post-installation check Verifying the installation on an HP-UX server Unmounting and removing the CD Migrating from an earlier release Uninstalling the MPFS software EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

5 Contents Chapter 5 Chapter 6 Chapter 7 Installing the MPFS Software on an AIX Server Before installing MPFS software Storage array Installing the MPFS software Before installing Mounting the CD Installing the MPFS software from a CD Installing the MPFS software from a tar file After installing Verifying the installation on an AIX server Mounting a MPFS file system on an AIX server Migrating from an earlier release Uninstalling the MPFS software Installing the MPFS Software on a Solaris Server Before installing MPFS software Storage system Label disks Installing the MPFS software Before installing Installing the MPFS software from a CD Installing the MPFS software from a tar file After installing Verifying the installation on a Solaris server Migrating from an earlier release Uninstalling the MPFS software MPFS Command Line Interface Overview of the command line interface Mounting an MPFS file system Resuming I/O through MPFS Displaying mpfsctl commands Setting the number of blocks to prefetch Resetting the counters Enabling read/write interception (Solaris only) Displaying statistics Understanding the statistics output Improving client read performance (HP-UX only) Setting synchronization before using noac (AIX only) EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide 5

6 Contents Displaying the MPFS version number Displaying the disk quota Displaying MPFS devices Appendix A Error Messages and Troubleshooting HP-UX server error messages Troubleshooting the HP-UX server Mounting and unmounting MPFS software Miscellaneous Troubleshooting the AIX server Uninstalling Mounting and unmounting Miscellaneous Troubleshooting the Solaris server Mounting and unmounting MPFS software Miscellaneous Glossary Index 6 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

7 Figures Title Page 1 Celerra unified storage with Fibre Channel Celerra gateway with Fibre Channel Configuration roadmap Configuring CLARiiON for PowerPath EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide 7

8 Figures 8 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

9 Tables Title Page 1 MPFS configuration summary Data Mover capacity guidelines Prefetch and read cache requirements HP-UX, AIX, or Solaris server firewall ports Correct arraycommpath and failovermode settings Summary of PowerPath versions and features Command Line Interface summary HP-UX server error messages EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide 9

10 Tables 10 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

11 Preface Important As part of an effort to improve and enhance the performance and capabilities of its product lines, EMC periodically releases versions of its hardware and software. Therefore, some functions described in this document may not be supported by all versions of the software or hardware currently in use. For the most up-to-date information on product features, refer to your product release notes. If a product does not function properly or does not function as described in this document, please contact your EMC representative. Check the EMC Powerlink website, to ensure you have the latest versions of the MPFS software and documentation. For software, open Support > Software Downloads and Licensing > Downloads C > Celerra MPFS Client for UNIX and then select the necessary software for MPFS from the menu. For documentation, open Support > Technical Documentation and Advisories > Software ~C~ Documentation > Celerra MPFS over Fibre Channel. Note: You must be a registered EMC Powerlink website user to download the MPFS software. EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide 11

12 Preface Audience This document is part of the EMC Celerra MPFS documentation set, and is intended for use by system administrators responsible for installing and maintaining HP-UX, AIX, or Solaris servers. Readers of this document are expected to be familiar with the following topics: EMC Symmetrix or CLARiiON storage system EMC Celerra Network Server NFS protocol Operating environments to install the server include HP-UX, AIX, or Solaris Related documentation Related documents include: EMC Celerra MPFS for HP-UX and Solaris Clients Release Notes EMC Celerra MPFS for AIX Clients Release Notes EMC Host Connectivity Guide for HP-UX EMC Host Connectivity Guide for AIX EMC Host Connectivity Guide for Sun Solaris EMC documentation for HBAs PowerPath PowerPath for UNIX Installation and Administration Guide PowerPath for HP-UX Release Notes PowerPath for AIX Release Notes PowerPath for Solaris Release Notes CLARiiON storage system Removing ATF or CDE Software before Installing other Failover Software EMC Navisphere Manager Administrator s Guide and online help Symmetrix storage system Symmetrix product manual 12 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

13 Preface Celerra Network Server EMC Celerra Network Server Documentation CD Using MPFS on Celerra All of these publications can be found on the EMC Powerlink website. Powerlink E-Lab Interoperability Navigator Conventions used in this document The EMC Powerlink website provides the most up-to-date information on documentation, downloads, interoperability, product lifecycle, target revisions, and bug fixes. As a registered EMC Powerlink website user, you can subscribe to receive notifications when updates occur. The EMC E-Lab Interoperability Navigator tool provides access to EMC interoperability support matrices. After logging in to the EMC Powerlink website, go to Support > Interoperability and Product Lifecycle Information > E-Lab Interoperability Navigator. EMC uses the following conventions for special notices. Note: A note presents information that is important, but not hazard-related.! CAUTION A caution contains information essential to avoid data loss or damage to the system or equipment.! IMPORTANT An important notice contains information essential to operation of the software. WARNING A warning contains information essential to avoid a hazard that can cause severe personal injury, death, or substantial property damage if you ignore the warning. DANGER A danger notice contains information essential to avoid a hazard that will cause severe personal injury, death, or substantial property damage if you ignore the message. EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide 13

14 Preface Typographical conventions EMC uses the following type style conventions in this document: Normal Used in running (nonprocedural) text for: Names of interface elements (such as names of windows, dialog boxes, buttons, fields, and menus) Names of resources, attributes, pools, Boolean expressions, buttons, DQL statements, keywords, clauses, environment variables, filenames, functions, utilities URLs, pathnames, filenames, directory names, computer names, links, groups, service keys, file systems, notifications Bold: Used in running (nonprocedural) text for: Names of commands, daemons, options, programs, processes, services, applications, utilities, kernels, notifications, system call, man pages Used in procedures for: Names of interface elements (such as names of windows, dialog boxes, buttons, fields, and menus) What user specifically selects, clicks, presses, or types Italic: Used in all text (including procedures) for: Full titles of publications referenced in text Emphasis (for example a new term) Variables Courier: Used for: System output, such as an error message or script URLs, complete paths, filenames, prompts, and syntax when shown outside of running text Courier bold: Used for: Specific user input (such as commands) Courier italic: Used in procedures for: Variables on command line User input variables < > Angle brackets enclose parameter or variable values supplied by the user [ ] Square brackets enclose optional values Vertical bar indicates alternate selections - the bar means or { } Braces indicate content that you must specify (that is, x or y or z)... Ellipses indicate nonessential information omitted from the example 14 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

15 Preface Where to get help Your comments EMC support, product, and licensing information can be obtained as follows. Product information For documentation, release notes, software updates, or for information about EMC products, licensing, and service, go to the EMC Powerlink website (registration required) at: Technical support For technical support, go to Powerlink and select Support. On the Support page, you can access Support Forms, request a product enhancement, talk directly to an EMC representative, or open a service request. To open a service request, you must have a valid support agreement. Please contact your EMC sales representative for details about obtaining a valid support agreement or to answer any questions about your account. Your suggestions will help us continue to improve the accuracy, organization, and overall quality of the user publications. Please send your opinion of this document to: techpubcomments@emc.com EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide 15

16 Preface 16 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

17 1 Introducing EMC Celerra MPFS over FC This chapter provides an overview of EMC Celerra MPFS over FC and its architecture. This chapter includes the following topics: Overview of EMC Celerra MPFS over FC EMC Celerra MPFS architectures How EMC Celerra MPFS works Introducing EMC Celerra MPFS over FC 17

18 Introducing EMC Celerra MPFS over FC Overview of EMC Celerra MPFS over FC EMC Celerra Multi-Path File System (MPFS) over Fibre Channel (FC) lets Linux, Windows, UNIX, AIX, or Solaris servers access shared data concurrently over FC connections. EMC Celerra MPFS uses common IP LAN topology to transport metadata for the EMC Celerra MPFS. Without the MPFS file system, servers can access shared data using standard Network File System (NFS) or Common Internet File System (CIFS) protocols; the MPFS file system accelerates data access by providing separate transports for file data (file content) and metadata (control data). For an FC-enabled server, data is transferred directly between the HP-UX, AIX, or Solaris server and storage array over a Fibre Channel SAN. Metadata passes through the Celerra Network Server (and the IP network), which includes the NAS portion of the configuration. 18 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

19 Introducing EMC Celerra MPFS over FC EMC Celerra MPFS architectures The EMC Celerra MPFS over Fibre Channel architecture consists of two configurations: Celerra unified storage with Fibre Channel (NS20FC, NS-120, NS40FC, NS-480, or NS-960) Celerra gateway with Fibre Channel (NS40G, NS80G, NS-G2, NS-G8, or NSX) Celerra with EMC CLARiiON or EMC Symmetrix Each is briefly described in this section. EMC Celerra MPFS over Fibre Channel The EMC Celerra MPFS over Fibre Channel architecture consists of the following: Celerra Network Server with MPFS A network attached storage device that is configured with an EMC Celerra Network Server with MPFS software Symmetrix or CLARiiON storage array HP-UX, AIX, or Solaris server with MPFS software connected to a Celerra Network Server through the IP LAN, Symmetrix, or CLARiiON storage arrays using Fibre Channel architecture The following figures show the common Fibre Channel configurations. Figure 1 on page 20 shows the Celerra unified storage with Fibre Channel configuration where the HP-UX, AIX, or Solaris servers are connected to an NS20FC, NS-120, NS40FC, NS-480, or NS-960 using an IP switch and one or more FC switches. In a smaller configuration of one or two servers, the servers can be connected directly to the NS20FC or NS-120 without the use of Fibre Channel switches. EMC Celerra MPFS architectures 19

20 Introducing EMC Celerra MPFS over FC Servers NFS/CIFS MPFS metadata MPFS data IP switch FC NS20FC, NS-120, NS40FC, NS-480, or NS-960 FC switch CNS Figure 1 Celerra unified storage with Fibre Channel Figure 2 on page 20 shows the supported Celerra gateway with Fibre Channel configuration. In this diagram, the HP-UX, AIX, or Solaris servers are connected to a CLARiiON or a Symmetrix storage array using an NS40G, NS80G, NS-G2, NS-G8, or NSX and IP switch or optional Fibre Channel switch. CLARiiON or Symmetrix Servers NFS/ CIFS MPFS metadata IP switch MPFS data NS40G, NS80G, NS-G2, NS-G8, or NSX FC FC FC switch CNS Figure 2 Celerra gateway with Fibre Channel 20 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

21 Introducing EMC Celerra MPFS over FC MPFS configuration summary Table 1 Table 1 on page 21 compares the MPFS configurations. MPFS configuration summary Figure Configuration Price/size Maximum servers supported Storage system Max number of arrays 1 Celerra unified storage with Fibre Channel (NS20FC) Celerra unified storage with Fibre Channel (NS-120) Celerra unified storage with Fibre Channel (NS40FC) Celerra unified storage with Fibre Channel (NS-480) Celerra unified storage with Fibre Channel (NS-960) Entry-level 60 CLARiiON CX3-10F Entry-level 120 a CLARiiON CX4-120 Midtier 120 CLARiiON CX3-40F Midtier 240 b CLARiiON CX4-480 High-end 500 c CLARiiON CX Celerra gateway with Fibre Channel (NS40G, NS80G, NS-G2, NS-G8, or NSX) High-end Dependent on CLARiiON and Symmetrix limitsa, b, c CLARiiON CX300, CX500, CX700, CX3-20F, CX3-40F, CX4-120, CX4-240, CX4-480, CX4-960, Symmetrix DMX series, Symmetrix V-Max series, or Symmetrix 8000 series 4 a. 240 Linux Servers are supported with EMC FLARE release 29 or later. b Linux Servers are supported with FLARE release 29 or later. c Linux Servers are supported with FLARE release 29 or later. EMC Celerra MPFS architectures 21

22 Introducing EMC Celerra MPFS over FC How EMC Celerra MPFS works Although called a file system, the EMC Celerra MPFS is neither a new nor a modified format for storing files. Instead, the MPFS file system interoperates and uses the standard NFS and CIFS protocols to enforce access permissions. The MPFS file system uses a protocol called File Mapping Protocol (FMP) to exchange metadata between the HP-UX, AIX, or Solaris server and the Celerra Network Server. All requests unrelated to file I/O pass directly to the NFS/CIFS layer. The MPFS layer intercepts only the open, close, read, and write system calls. When an HP-UX, AIX, or Solaris server intercepts a file-read call, it sends a request to the Celerra Network Server asking for the file's location. The Celerra Network Server responds with a list of file extents, which the HP-UX, AIX, or Solaris server then uses to read the file data directly from the disk. When an HP-UX, AIX, or Solaris server intercepts a file-write call, it asks the Celerra Network Server to allocate blocks on disk for the file. The Celerra Network Server allocates the space in contiguous extents and sends the extent list to the HP-UX, AIX, or Solaris server. The HP-UX, AIX, or Solaris server then writes data directly to disk, informing the Celerra Network Server when finished, so that the Celerra Network Server can permit other HP-UX, AIX, or Solaris server to access the file. The remaining chapters describe how to install, manage, and tune HP-UX, AIX, or Solaris servers. The Using MPFS on Celerra technical module, located on the EMC Celerra Network Server Documentation CD and also available on the EMC Powerlink website at provides information on the Celerra Network Server MPFS commands. 22 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

23 Invisible Body Tag 2 MPFS Environment Configuration This chapter presents a high-level overview of configuring and installing EMC Celerra MPFS. Topics include: Configuration roadmap Implementation guidelines MPFS installation and configuration process Verifying system components Setting up the Celerra Network Server Setting up the file system Enabling MPFS for the Celerra Network Server Configuring the CLARiiON using CLI commands Configuring the SAN and storage Installing PowerPath Installing the MPFS software Configuring and accessing storage Mounting the MPFS file system MPFS Environment Configuration 23

24 MPFS Environment Configuration Configuration roadmap Figure 3 on page 25 shows the roadmap for configuring and installing the EMC Celerra MPFS FC architecture for FC environments. The roadmap contains the topics representing sequential phases of the configuration and installation process. The descriptions of each phase, which follow, contain an overview of the tasks required to complete the process, and a list of related documents where you can find more information. 24 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

25 MPFS Environment Configuration Implementation guidelines MPFS installation and configuration process Verifying system components Setting up the Celerra Network Server Setting up the file system Enabling MPFS for the Celerra Network Server! Configuring the CLARiiON using CLI commands Configuring the SAN and storage Installing PowerPath Installing the MPFS software Configuring and accessing storage Mounting the MPFS file system Figure 3 Configuration roadmap Configuration roadmap 25

26 MPFS Environment Configuration Implementation guidelines The following MPFS implementation guidelines are valid for all MPFS installations. Celerra with MPFS recommendations These recommendations are described in the Celerra Network Server Best Practices for Performance White Paper, which can be found at MPFS is optimized for large I/O transfers and may be useful for workloads with average I/O sizes as small as 16 KB. However, MPFS has been shown conclusively to improve performance for I/O sizes of 128 KB and greater. For best MPFS performance, in most cases, configure your Celerra volumes using a volume stripe size of 256 KB. EMC PowerPath is required for path failover in a CLARiiON environment. Knowledgebase article emc contains details on using PowerPath and MPFS. When MPFS is started, 16 threads are run, which is the default number of MPFS threads. The maximum number of threads is 128. If system performance is slow, gradually increase the number of threads allotted for the Data Mover to improve system performance. Add threads conservatively, as the Data Mover allocates 16 KB of memory to accommodate each new thread. The optimal number of threads depends on the network configuration, the number of HP-UX, AIX, or Solaris servers, and the workload. Using MPFS on Celerra provides the procedures necessary to adjust the thread count and can be found on the EMC Celerra Network Server Documentation CD. 26 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

27 MPFS Environment Configuration 128 TB Data Mover capacity Table 2 MPFS supports 128 TB total capacity per Data Mover. This larger Data Mover capacity allows a single 128 TB data access point through the Nested Mount File System (NMFS). Table 2 on page 27 lists the conditions and restrictions of the 128 TB Data Mover capacity. Data Mover capacity guidelines MPFS with FC or ATA Conditions and restrictions NS-960 or NSX Limit per Data Mover/Blade Minimum NAS version required Data Mover capacity Existing snaps and replication sessions New EMC SnapSure or replicator sessions x 128 TB Must be deleted Not supported Additional guidelines are listed below: EMC Celerra Replicator and Celerra SnapSure are not supported with the 128 TB Data Mover capacity. Existing snaps and replication sessions must be deleted when using MPFS with 128 TB Data Mover capacity. If you plan to use Celerra Replicator or Celerra SnapSure, the Data Mover capacity will be the same as the non-mpfs capacity limits. The 128 TB Data Mover capacity is only supported with MPFS running in an NS-960 or NSX environment. The Celerra Network Server must be configured for MPFS. However, CIFS, MPFS, and NFS servers can all connect to share file systems. Single file system size is limited to 16 TB. Performance is no different during data transfer or Data Mover bootup time when using 128 TB Data Movers from any other Data Mover capacity. The EMC E-Lab Interoperability Navigator contains the latest Data Mover capacity information and MPFS-related restrictions. Implementation guidelines 27

28 MPFS Environment Configuration HP-UX, AIX, or Solaris server configuration All servers using the MPFS software require: At least one Fibre Channel connection to a SAN switch, or directly to a CLARiiON or Symmetrix storage array Network connections to the Data Mover Storage configuration recommendations HP-UX, AIX, or Solaris servers read and write directly from a storage system. This has several implications: FLARE release 26 or later should be used for best performance in new MPFS configurations. The EMC CLARiiON Best Practices for Fibre Channel Storage: FLARE Release 26 Firmware Update provides more details. All mounted MPFS file systems should be unmounted from the HP-UX, AIX, or Solaris server before changing any storage device or switch configuration. Table 3 on page 28 lists the prefetch and read cache requirements. Table 3 Prefetch and read cache requirements Prefetch requirement Read cache Notes Modest MB 80% of the systems fall under this category. Heavy 250 MB Requests greater than 64 KB and sequential reads from many LUNs expected over 300 MB/s. Extremely heavy 1 GB 120 or more drives reading in parallel. 28 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

29 MPFS Environment Configuration MPFS feature configurations CHAP authentication! The following sections describe the configurations for MPFS features. The HP-UX, AIX, or Solaris server with MPFS software and the CLARiiON storage array support the Challenge Handshake Authentication Protocol (CHAP) for network security. CHAP provides a method for the HP-UX, AIX, or Solaris server and CLARiiON storage array to authenticate each other through an exchange of a shared secret (a security key that is similar to a password), which is typically a string of 12 to 16 bytes. CAUTION If CHAP security is not configured for the CLARiiON storage array, any computer connected to the same IP network as the CLARiiON storage array ports can read from or write to the CLARiiON storage array. CHAP has two variants one-way and reverse CHAP authentication: In one-way CHAP authentication, CHAP sets up the accounts that the HP-UX, AIX, or Solaris server uses to connect to CLARiiON storage array. The CLARiiON storage array authenticates the HP-UX, AIX, or Solaris server. In reverse CHAP authentication, the CLARiiON storage array authenticates the HP-UX, AIX, or Solaris server and the HP-UX, AIX, or Solaris server also authenticates the CLARiiON storage array. Because CHAP secrets are shared between the HP-UX, AIX, or Solaris server and CLARiiON storage array, the CHAP secrets must be configured the same on both the HP-UX, AIX, or Solaris server and CLARiiON storage array. Implementation guidelines 29

30 MPFS Environment Configuration MPFS installation and configuration process The MPFS configuration process involves performing tasks on various system components in a specific order. Note: This document contains guidelines for installing and configuring MPFS with several options. Disregard steps that do not pertain to your environment. To manually install and configure MPFS: 1. Collect installation and configuration planning information and complete the checklist: a. Collect the IP network addresses, Fibre Channel port addresses, and CLARiiON storage array information. b. Map the Ethernet and TCP/IP network topology. c. Map the Fibre Channel zoning topology. d. Map the virtual storage area network (VSAN) topology. 2. Install the MPFS software manually (on a native or hosted HP-UX, AIX, or Solaris operating system): a. Install the HBA driver (for FC configuration). b. Install the MPFS software. c. Check the MPFS software configuration. 30 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

31 MPFS Environment Configuration Configuration planning checklist Collect the following information before beginning the MPFS installation and configuration process. For an FC configuration: SP A IP address... SP A login name... SP A password... SP B IP address... SP B login name... SP B password... Zoning for Data Movers... First Data Mover LAN blade IP address or Data Mover IP address... Second Data Mover LAN blade IP address or Data Mover IP address... Control Station IP address or CS address... LAN IP address (same as LAN Data Movers)... HP-UX, AIX, or Solaris server IP address on LAN... VSAN name... VSAN number (make sure it is not in use)... SP A FC port assignment or FC ports... SP B FC port assignment or FC ports... FC switch name... FC switch password... FC switch port IP address... Zoning for each FC HBA port... Zoning for each FC director... MPFS installation and configuration process 31

32 MPFS Environment Configuration Verifying system components MPFS environments require standard EMC Celerra hardware and software, with the addition of a few components that are specific to FC configurations. This involves setting up an MPFS environment to verify that each of the previously mentioned components is in place and functioning normally. Each hardware and software component is discussed in the following sections. Required hardware components MPFS Celerra unified storage with Fibre Channel configuration MPFS Celerra gateway with Fibre Channel configuration This section lists the MPFS configurations with the required hardware components. The hardware components for an MPFS Celerra unified storage with Fibre Channel configuration are: A Celerra Network Server connected to an FC network and SAN An IP switch connected to the Celerra Network Server and servers for data and metadata An FC switch with an HBA for each HP-UX, AIX, or Solaris server EMC Celerra MPFS over Fibre Channel on page 19 contains more information. The hardware components for an MPFS Celerra gateway with Fibre Channel configuration are: A Celerra Network Server connected to an FC network and SAN A fabric-connected storage system, either CLARiiON or Symmetrix, with available LUNs An IP switch connected to the Celerra Network Server and the servers for data and metadata An FC switch with an HBA for each HP-UX, AIX, or Solaris server EMC Celerra MPFS over Fibre Channel on page 19 contains more information. An HP-UX, AIX, or Solaris server with MPFS software is required for all types of configurations. 32 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

33 MPFS Environment Configuration Configuring Gigabit Ethernet ports For each HP-UX, AIX, or Solaris server for Fibre Channel, one NIC is required for NFS and FMP traffic. For maximum performance, use one port for the connection between the HP-UX, AIX, or Solaris server and Data Mover for MPFS metadata transfer and NFS traffic. Configuring and Managing Celerra Networking provides detailed information for setting up network connections and is available on the Powerlink website. Required software components The following software components are required for an MPFS configuration: Note: The EMC Celerra MPFS for HP-UX and Solaris Clients Release Notes and EMC Celerra MPFS for AIX Clients Release Notes provide a complete list of EMC supported operating system versions. Celerra Network Server NAS software version that supports FC configurations on HP-UX, AIX, or Solaris platforms. HP-UX, AIX, or Solaris operating system version that supports HBAs. Note: The EMC E-Lab Interoperability Matrix lists the latest versions of HP-UX, AIX, or Solaris Server operating systems. MPFS software version 5.0 or later. Verifying configuration Related documentation The next step in setting up MPFS is to verify whether each of the previously mentioned components is in place and functioning normally. If you know each of these components is operational, MPFS installation and configuration process on page 30 provides more information. The following documents, available on the EMC Powerlink website, provide additional information: Configuring and Managing EMC Celerra Networking Managing Celerra Volumes and File Systems Manually Configuring Standbys on Celerra Verifying system components 33

34 MPFS Environment Configuration Verifying storage array requirements Storage systems requirements This section describes storage array requirements for an MPFS environment. The documents listed in Related documentation on page 35 detail storage array setup information. All CLARiiON storage arrays used within an MPFS environment must meet these requirements: Use only CX series storage arrays designed for MPFS file systems. The following models are supported: CX300 CX500 CX700 CX3-10F CX3-20C/F CX3-40C/F CX3-80 CX4-120 CX4-240 CX4-480 CX4-960 Ensure that all MPFS environments have file systems built on disks from only one type of storage system: either all Fibre Channel or all ATA drives. Ensure that MPFS does not use a file system spanning across two different storage array enclosures. Build Celerra LUNs using RAID 1, RAID 3, RAID 5, or RAID 6 only. Build Celerra Management LUNs using 4+1 RAID 5 only. Enable write cache. Use EMC Access Logix. FLARE release 26 for high performance must be run with NAS x or later. Note: As of the FLARE 24 release, the CX series (excluding the CX300i and CX500i) supports jumbo frames. 34 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

35 MPFS Environment Configuration All Symmetrix storage systems used within an MPFS environment must meet these requirements: Use only Symmetrix storage arrays designed for MPFS file systems. The following models are supported: Symmetrix 8000 series Symmetrix DMX series Enterprise Storage Platform (ESP) Symmetrix V-Max series Ensure that the correct version of the microcode is used. Contact your EMC Customer Support Representative or check the EMC E-Lab Interoperability Navigator for microcode release updates. Ensure that the Fibre Channel port flags are set for the MPFS file system. The Avoid_Reset_Broadcast (ARB) must be set for each port connected to a HP-UX, AIX, or Solaris server. Ensure that MPFS does not use a file system spanning across two different storage array enclosures. Related documentation The following documents, available on the EMC Powerlink website, provide additional information: Storage system s rails and enclosures documentation EMC Host Connectivity Guide for HP-UX EMC Host Connectivity Guide for AIX EMC Host Connectivity Guide for Sun Solaris Verifying system components 35

36 MPFS Environment Configuration Verifying the Fibre Channel switch requirements (FC configuration) Ensure the following to set up the Fibre Channel switch: Install the Fibre Channel switch. Check that the host bus adapter (HBA) driver is loaded. Connect cables from each HBA Fibre Channel port to a switch port. Verify the HBA connection to the switch by checking LEDs for the switch port connected to the HBA port. Configure zoning for the switch as described in Zoning the SAN switch (FC configuration) on page 48. Note: Configure zoning as single initiator, meaning that each HBA port will have its own zone in which it is the only HBA port. Related documentation The documentation that ships with the Fibre Channel switch provides more information about the switch. 36 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

37 MPFS Environment Configuration Verifying the IP-SAN CLARiiON CX3 or CX4 requirements Related documentation The EMC Celerra MPFS over FC environment with CLARiiON CX3 or CX4 series storage array configurations requires the following: For an unified storage configuration: Celerra Network Server NS20FC, NS-120, NS40FC, NS-480, or NS-960. CLARiiON CX3 or CX4 storage array. For a gateway configuration: Celerra Network Server NS40G, NS80G, NS-G2, NS-G8, or NSX. CLARiiON CX300, CX500, CX700, CX3, CX4, Symmetrix DMX, Symmetrix V-Max, or Symmetrix 8000 series storage array. Cabled as any shared storage system. Access Logix LUN masking is used to present all Celerra managed LUNs to the HP-UX, AIX, or Solaris server. HP-UX, AIX, or Solaris servers are load balanced across CLARiiON ports for performance improvement and protection against single-port and Ethernet cable problems. The following Celerra installation guides provide more information about hardware installation: EMC Celerra NS20FC System (Single Blade) Installation Guide Addendum for MPFS EMC Celerra NS20FC System (Dual Blade) Installation Guide Addendum for MPFS EMC Celerra NS40FC System (Single Blade) Installation Guide Addendum for MPFS EMC Celerra NS40FC System (Dual Blade) Installation Guide Addendum for MPFS Verifying system components 37

38 MPFS Environment Configuration Setting up the Celerra Network Server The Celerra Network Server System Software Installation Guide contains information on how to set up the Celerra Network Server, which can be found on the EMC Powerlink website. 38 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

39 MPFS Environment Configuration Setting up the file system This section describes what to do before creating a file system and how to create a file system. Before creating a file system Storage system! This section provides guidelines for storage systems and file system build criteria. CAUTION Ensure that the file systems used for MPFS do not contain both CLARiiON and Symmetrix LUNs. MPFS does not support a mixed storage environment. Storage and file system characteristics are very important in highperformance grid computing and virtualization environments. File system build criteria A properly built file system must: Use disk volumes from the same storage system. Note: Do not use a file system spanning across two storage array enclosures. A file system spanning multiple storage systems is not supported even if the multiple storage systems are of the same type, CLARiiON or Symmetrix. Use disk volumes from the same disk type, all FC or ATA, not a mixture of FC and ATA. For best MPFS performance, in most cases, configure your Celerra volumes using a volume stripe size of 256 KB. Be sure to review the Celerra Network Server Best Practices for Performance White Paper for detailed performance related information. In a Symmetrix environment, ensure that the Symmetrix Fibre Channel port flag settings are properly configured for the MPFS file system; in particular, the ARB flag must be set. The EMC Customer Support Representative configures these settings. Setting up the file system 39

40 MPFS Environment Configuration Creating a file system on a Celerra Network Server This section describes how to configure, create, mount, and export file systems. Make sure LUNs for the new file system are created optimally for MPFS. All LUNs must: Be of the same RAID type Have the same number of spindles in each RAID group Contain spindles of the same type and speed In addition, make sure that all LUNs do not share spindles with: Other LUNs in the same file system Another file system heavily utilized by high-i/o applications Before creating the LUNs, ensure that the total usable capacity of all the LUNs within a single file system does not exceed 16 TB. The maximum number of LUNs tested that are supported in MPFS configurations per file system is 256. Ensure that the LUNs are accessible by the Data Movers through LUN masking, switch zoning, and VSAN settings. Use this procedure to build or mount the MPFS file system on the Celerra Network Server: 1. Log in to the Celerra Network Server Control Station as NAS administrator. 2. Before building the file system, type the nas_disk command to return a list of disks not in use. Use this command syntax: $ nas_disk -list grep n more For example, type: $ nas_disk -l 40 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

41 MPFS Environment Configuration The output is similar to this: id inuse sizemb storageid-devid type name servers 1 y APM CLSTD root_disk 1,2 2 y APM CLSTD root_disk 1,2 3 y 2047 APM CLSTD d3 1,2 4 y 2047 APM CLSTD d4 1,2 5 y 2047 APM CLSTD d5 1,2 6 y 2047 APM CLSTD d6 1,2 7 n APM CLSTD d7 1,2 8 n APM CLSTD d8 1,2 9 n APM CLSTD d9 1,2 10 n APM CLSTD d10 1,2 11 n APM CLSTD d11 1,2 12 n APM CLSTD d12 1,2 13 n APM CLSTD d13 1,2 14 n APM CLSTD d14 1,2 15 n APM CLSTD d15 1,2 16 n APM CLSTD d16 1,2 17 n APM A CLSTD d17 1,2 18 n APM B CLSTD d18 1,2 19 n APM C CLSTD d19 1,2 20 n APM E CLSTD d20 1,2 21 n APM CLSTD d21 1,2 22 n APM D CLSTD d22 1,2 23 n APM F CLSTD d23 1,2 24 n APM CLSTD d24 1,2 25 n APM CLSTD d25 1,2 26 n APM CLSTD d26 1,2 27 n APM CLSTD d27 1,2 28 n APM CLSTD d28 1,2 29 n APM CLSTD d29 1,2 30 n APM CLSTD d30 1,2 The first stripe alternate SP ownership A,B,A,B,A,B is displayed in bold text and the second stripe alternate SP ownership B,A,B,A,B,A is displayed in a shaded background. The two different stripes (A, B, A) and (B, A, B) are both in RAID group X, Y, and Z. Note: Use Navicli or EMC Navisphere Manager to determine which LUNs are on SP A and SP B. Setting up the file system 41

42 MPFS Environment Configuration 3. Create the first stripe. Use this command syntax: $ nas_volume -name <name> -create -Stripe <stripe_size> <volume_set>,... where: <name> = name of the volume <stripe_size> = size of the stripe <volume_set> = set of disks For example, to create a stripe pair with a depth of bytes (256 KB), type: $ nas_volume -name s2_stripe1 -create -Stripe d9,d14,d11,d16,d17,d22 The output is similar to this: id = 135 name = s2_stripe1 acl = 0 in_use = False type = stripe stripe_size = volume_set = d9,d14,d11,d16,d17,d22 disks = d9,d14,d11,d16,d17,d22 Note: For best MPFS performance, in most cases, configure your Celerra volumes using a volume stripe size of 256 KB. Detailed performance-related information is available in the Celerra Network Server Best Practices for Performance White Paper. 4. Create a second stripe. Use this command syntax: $ nas_volume -name <name> -create -Stripe <stripe_size> <volume_set>,... where: <name> = name of the volume <stripe_size> = size of the stripe <volume_set> = set of disks For example, to create a stripe pair with a depth of bytes (256 KB), type: $ nas_volume -name s2_stripe2 -create -Stripe d13,d10,d15,d12,d18,d19 42 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

43 MPFS Environment Configuration The output is similar to this: id = 136 name = s2_stripe2 acl = 0 in_use = False type = stripe stripe_size = volume_set = d13,d10,d15,d12,d18,d19 disks = d13,d10,d15,d12,d18,d19 5. Create the metavolume. Use this command syntax: $ nas_volume -name <name> -create -Meta <volume_name> where: <name> = assigns this name to a file system <volume_name> = name of the volume For example, type: $ nas_volume -name s2_metal -create -Meta s2_stripe1, s2_stripe2 The output is similar to this: id = 137 name = s2_meta1 acl = 0 in_use = False type = meta volume_set = s2_stripe1, s2_stripe2 disks = d9,d14,d11,d16,d17,d22,d13,d10,d15,d12,d18,d19 Setting up the file system 43

44 MPFS Environment Configuration 6. Create the file system. Use this command syntax: $ nas_fs -name <name> -create <volume_name> where: <name> = assigns this name to a file system <volume_name> = name of the volume For example, type: $ nas_fs -name s2fs1 -create s2_meta1 The output is similar to this: id = 33 name = s2fs1 acl = 0 in_use = False type = uxfs worm = compliance worm_clock= Thu Mar 6 16:26:09 EST 2008 worm Max Retention Date = Fri Apr 18 12:30:40 EST 2008 volume = s2_meta1 pool = rw_servers= ro_servers= rw_vdms = ro_vdms = auto_ext = no, virtual_provision=no stor_devs = APM ,APM ,APM ,APM ,APM A,AP M D,APM ,APM ,APM ,APM ,APM B,APM C disks = d9,d14,d11,d16,d17,d22,d13,d10,d15,d12,d18,d19 7. Create a mount point. Use this command syntax: $ server_mountpoint <movername> -create <pathname> where: <movername> = name of the Data Mover <pathname> = path of the mount point you create For example, type: $ server_mountpoint server_2 -c /s2fs1 Output: server_2 : done 44 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

45 MPFS Environment Configuration 8. Mount the file system. Use this command syntax: $ server_mount <movername> <fs_name> <mount_point> where: <movername> = name of the Data Mover <fs_name> = name of the file system to mount <mount_point> = name of the mount point For example, type: $ server_mount server_2 s2fs1 /s2fs1 Output: server_2 : done 9. Export the file system. Use this command syntax: $ server_export <mover_name> -Protocol nfs -name <name> -option <options> <pathname> where: <mover_name> = name of the Data Mover <name> = assigns an alias for the <pathname> <options> = options to include <pathname> = path of the mount point created For example, type: $ server_export server_2 -P nfs -name ufs1 /ufs1 Output: server_2 : done Related documentation The following documents contain more information on building the MPFS file system and are available on the EMC Powerlink website: Celerra Network Server Command Reference Manual Configuring and Managing Celerra Networking Managing Celerra Volumes and File Systems Manually Using MPFS on Celerra Setting up the file system 45

46 MPFS Environment Configuration Enabling MPFS for the Celerra Network Server Start MPFS on the Celerra Network Server. Use this command syntax: $ server_setup <movername> -Protocol mpfs -option <options> where: <movername> = name of the Data Mover <options> = options to include Type: $ server_setup server_2 -Protocol mpfs -option start Output: server_2 : done Note: Start MPFS on the same Data Mover you exported the file system using NFS. 46 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

47 MPFS Environment Configuration Configuring the CLARiiON using CLI commands This section presents an overview of configuring the CLARiiON CX3 or CX4 array ports mounted on the CLARiiON storage array for Celerra gateway configurations. Use your site-specific parameters for these steps. The configuration of CLARiiON CX3 or CX4 array ports for a Celerra gateway is done using CLI commands. Best practices To simplify the configuration and management of the HP-UX, AIX, or Solaris server, EMC recommends that the discovery addresses (IP addresses) and enabled targets for each HP-UX, AIX, or Solaris server be configured so that all the target ports on the storage array are equally balanced to achieve maximum performance and availability. Balancing the load across all ports enables speeds up to 4 x 10 Gb/s per storage processor. If one of the target ports fails, the other three will remain operational, so one-fourth of the HP-UX, AIX, or Solaris servers will fail over to the native NFS or CIFS protocol, but three-fourths of the HP-UX, AIX, or Solaris servers will continue operating. CLARiiON discovery sessions reveal paths to all four ports on each storage processor. The ports are described to the initiators as individual targets. Each of these connections creates another session. The maximum number of initiator sessions or hosts per storage processor is 128 for the CLARiiON CX3, 256 for the CLARiiON CX4-120, 512 for the CLARiiON CX4-240, 1024 for the CLARiiON CX4-480, and 4096 for the CLARiiON CX Without disabling other targets, a CLARiiON cannot support more than 32 initiators. To increase the number of achievable HP-UX, AIX, or Solaris servers for a Celerra gateway, disable access on each HP-UX, AIX, or Solaris server to as many as three out of four targets per storage processor and ensure that the enabled targets (CLARiiON ports) match the storage group definition. For Celerra gateway configurations, Access Logix LUN masking is used to present all Celerra managed LUNs to the HP-UX, AIX, or Solaris servers. The non-celerra LUNs are protected from the initiators. A separate storage group is created for MPFS initiators and all Celerra LUNs that are not Celerra Control LUNs are added to this group. At least one port from each SP should be enabled for each HP-UX, AIX, or Solaris server in this group. Configuring the CLARiiON using CLI commands 47

48 MPFS Environment Configuration In a gateway environment, initiator names are used in providing the path in the storage group for the HP-UX, AIX, or Solaris server to access the targets. Unique, known names are required for using Access Logix software. Configuring the SAN and storage This section describes how to configure the SAN switch along with specific configuration information for Symmetrix and CLARiiON storage arrays. Installing the Fibre Channel switch (FC configuration) To set up the Fibre Channel switch, complete these tasks: 1. Install the Fibre Channel switch (if not already installed). 2. Connect cables from each HBA Fibre Channel port to a switch port. 3. Verify the HBA connection to the switch by checking the LEDs for the switch port connected to the HBA port. Note: Configure zoning as single initiator, meaning that each HBA port will have its own zone in which it is the only HBA port. Zoning the SAN switch (FC configuration) Related documentation This section presents an overview of configuring and zoning a Fibre Channel switch: 1. Record all attached port WWNs. 2. Create a zone for each Fibre Channel HBA port and its associated Fibre Channel Target. Review to the documentation that ships with the Fibre Channel switch for information on installing or zoning. Note: Configure the CLARiiON so that each target is zoned to an SP A and SP B port. Configure the Symmetrix so that it is zoned to a single Fibre Channel Director (FA). 48 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

49 MPFS Environment Configuration Enabling SP A and SP B FC interfaces (FC configuration) Enable the Fibre Channel ports for the storage processors. Use the FC interface data collected in Configuration planning checklist on page 31. Type: switch(config)# interface fc4/2 switch(config-if)# no shutdown switch(config-if)# exit switch(config)# interface fc4/4 switch(config-if)# no shutdown switch(config-if)# exit Creating a security file on the Celerra Network Server A storage system will not accept a Secure CLI command unless the user who issues the command has a valid user account on the storage system. You can configure a Navisphere 6.X security file to issue Secure CLI commands on the server. Secure CLI commands require the servers (or the password prompt) in each command line; you do not need to provide these in the command line if you create a security file. To create a security file: 1. Log in to the Celerra Network Server Control Station as NAS administrator. 2. If you use the same settings for the username and passwords, as done on the switch, type: $ /nas/sbin/naviseccli -h <hostname:ip address> security -AddUserSecurity -scope 0 -user nasadmin -password nasadmin Note: Specify the hostname as SP A or SP B. 3. If you are using a new CLARiiON CX3 or CX4 series storage array with NAS v5.5 and content running in non-secure mode, type: $ /nas/sbin/naviseccli -h <hostname:ip address> security -AddUserSecurity -scope 0 -user emc -password emc Configuring the SAN and storage 49

50 MPFS Environment Configuration Access Logix configuration Setting failovermode and the arraycommpath using Access Logix! This section describes how to set up an Access Logix configuration, create storage groups, add LUNs, and set failovermode and the arraycommpath. The naviseccli failovermode command enables or disables the type of trespass needed for the failover software. This method of setting -failovermode works for storage systems with Access Logix only. To discover the current setting of failovermode, use the port-list-failovermode or port-list-all command: CAUTION Changing the failovermode setting may force the storage system to reboot. Changing the failovermode to the wrong value will make the storage group inaccessible to any connected server. 1. To set failovermode to 1 (unified storage only), type: $ /nas/sbin/naviseccli -h <hostname:ip address> failovermode 1 WARNING: Previous Failovermode setting will be lost! DO YOU WISH TO CONTINUE (y/n)? y 2. To set arraycommpath to 1 (unified storage only), type: $ /nas/sbin/naviseccli -h <hostname:ip address> arraycommpath 1 WARNING: Previous Arraycommpath setting will be lost! DO YOU WISH TO CONTINUE (y/n)? y These commands enable failovermode and arraycommpath for the storage system. 50 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

51 MPFS Environment Configuration Creating storage groups and adding LUNs This section describes how to create storage groups, add LUNs to the storage groups, and configure the storage groups. The IP addresses of all storage arrays <hostname:ip address> can be found in the /etc/hosts file on the Celerra Control Station. If multiple arrays are used, EMC recommends registering them in the /etc/hosts file: Note: Specify the hostname as SP A or SP B. 1. Create the storage group: $ /nas/sbin/navicli -h <hostname:ip address> storagegroup -create -gname MPFS_Clients 2. Add LUNs to the storage group: $ /nas/sbin/navicli -h <hostname:ip address> storagegroup - addhlu -gname MPFS_Clients -hlu 0 -alu Continue for all LUNs: $ /nas/sbin/navicli -h <hostname:ip address> storagegroup - addhlu -gname MPFS_Clients -hlu 1 -alu 17 Configuring the SAN and storage 51

52 MPFS Environment Configuration Configuring the storage system for PowerPath Configure CLARiiON properties for PowerPath! This section describes how to configure a CLARiiON and Symmetrix storage system for PowerPath on HP-UX and Solaris servers. To use PowerPath with a CLARiiON storage system, use either the CLI or the Navisphere GUI to set the failover mode and array commpath properties to 1. Procedures for both methods follow. CAUTION Set the failovermode and arraycommpath properties to 1 for PowerPath only. The Celerra Network Server requires that failovermode and arraycommpath properties be set to the default of 0. CLI procedure for HP-UX servers On an HP-UX server, to configure the storage system properties for PowerPath through the Navisphere CLI: 1. Use the following command syntax: Note: The -type property must be set to 3 for HP-UX servers only. $ navicli -h <hostname:ip_address> storagegroup -setpath -o gname <storage_group_name> -hbauid <WWN_of_client> -type 3 -failovermode 1 -arraycommpath 1 2. Repeat step 1 for each SP. CLI procedure for Solaris servers On a Solaris server, configure the storage system properties for PowerPath through the CLI by using the following command syntax: $ navicli -h <hostname:ip_address> storagegroup -setpath -o gname <storage_group_name> -hbauid <WWN_of_client> -failovermode 1 -arraycommpath 1 52 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

53 MPFS Environment Configuration GUI procedure for HP-UX and Solaris servers To configure the array commpath and failover mode settings through the Navisphere GUI: Note: Before you perform this procedure: -You must have the Navisphere Agent installed on the server where you are configuring the storage system settings. -The RAID groups and storage groups must be set up. 1. Connect to the Navisphere GUI by typing the storage processor s IP address in an Internet browser s Address field. 2. Type your username and password when prompted, and then click OK. 3. Right-click the serial number of the storage system to be configured, and select Connectivity Status. 4. In the Connectivity Status window, click Group Edit. 5. In the Group Edit Initiators window: a. Move the PowerPath server WWNs to be configured from the Available box to the Selected box. b. Select Enabled from the Array CommPath drop-down menu. c. For Solaris servers, select CLARiiON Open from the Initiator Type drop-down menu. d. For HP-UX servers, select HP No Auto Trespass from the Initiator Type drop-down menu. e. Select 1 from the Failover Mode drop-down menu. f. Select the appropriate server from the server drop-down menu.! CAUTION Set the failovermode and arraycommpath properties to 1 for PowerPath only. The Celerra Network Server requires that failovermode and arraycommpath properties be set to the default of 0. Configuring the SAN and storage 53

54 MPFS Environment Configuration Figure 4 on page 54 shows the window to configure these settings. Figure 4 Configuring CLARiiON for PowerPath 6. Click OK. PowerPath documentation or the Installation Roadmap for CX-Series and FC-Series Storage Systems provides more information on PowerPath settings in a CLARiiON environment. 54 EMC Celerra MPFS over FC for HP-UX, AIX, and Solaris Clients Version 4.0 Product Guide

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