SAN Storage Array Workbook September 11, 2012

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1 Page 1 of 9 The following are questions to be asked regarding acquiring SAN Storage Arrays. Some of the questions need to be filled in for the specific environment where the storage system will be deployed Environment Questions Operating Systems and platform support: Linux RHEL, SUSE Windows OS400 System i HP-UX IBM AIX (System p) Novell NetWare zseries Mainframe Oracle / Sun Solaris VMWare Other Host Interfaces Fibre Channel - Number - Data rate Ethernet iscsi - Number - Data rate FCoE - Number - Data rate FICON Number of hosts supported

2 Page 2 of 9 Environment Questions Ease of installation Customer install or service Customer configurable Raised floor required Self configuring Installation time required Software required on servers Migration utility or service included Environmentals - Power Phase Current Voltage Watts Dual power inputs Connector type and quantity

3 Page 3 of 9 Configuration Questions Environmentals Floor space required Rack mount space required Vendor supplied cabinets or racks Heat generated (BTUs) Weight of product Warranty period Disk drives Storage controller and array Applicable software Warranty coverage hours/time Disk Devices Maximum number of disk drives Drive Interface Disk drive speed (RPM) Disk drive latency Hot pluggable Restrictions or limitations Special features

4 Page 4 of 9 Configuration Questions Storage Maximum RAW storage capacity Maximum usable capacity RAID levels supported Concurrent RAID levels Dynamic RAID level change Thin Provisioning capable Dynamic volume expansion Dynamic storage expansion SSD support - Size - Storage - Cache Cache Mirrored writes Size of cache (in GB) Cache controls - Configurable write percentage - Configurable read ahead - Record level - Other Battery back-up Cache / system Internal battery Hold-up time Hot swappable

5 Page 5 of 9 Configuration Questions Hot Spare disks Number of hot spare disks Global hot spares Floating or fixed hot spare disks Expected rebuild time Controllers Number of controllers Active-passive with failover Active-Active with failover Interconnect technology Number of LUNs supported Number of storage ports Number of RAID or storage groups Remote maintenance Call-home capability Non-disruptive code activation Boot from LUN or SAN boot Single points of failure Emulation for Mainframe disks Other

6 Page 6 of 9 Feature / Function Questions Snapshot copy Product name Extra cost charge Number of copies Copies per volume Copy-on-write (snapshot) Supports read or write of snap Clone copy Server software required (name)? Resynchronization capability Integration with applications - Oracle - Sybase - DB2 - VSS - Others Tiering Automation Levels Supported Granularity of movement VMware Support VAAI support SRM integration VASA support

7 Page 7 of 9 Feature / Function Questions Remote copy Name of product Extra charge feature Where function performed - Within Storage Controller - External appliance or device - Host based Connection technology - Fibre Channel, Ethernet, FICON Synchronous Asynchronous Multi-hop or cascade Dynamic mode switching Host software component (name)? Consistency groups supported Number of concurrent copies Heterogeneous remote copy

8 Page 8 of 9 Performance Questions Security software LUN masking capability LUN mapping capability Encryption capabilities Management interface Other Configuration Management Software Name CLI Web-based Management framework integration APIs to third party management software SMI-S enabled Host failover software support Name of software (DMP, SDD, MPIO, PowerPath, SSP, HDLM, etc) Extra charge feature? Host clustering failover software

9 Page 9 of 9 Performance Questions SPC Performance Benchmarks Maximum I/O rates I/O Rate at 10ms $/IOP Bandwidth Potential maximum throughput From disk performance From cache performance Demonstrated - Reads - Writes Mainframe attach PAV support MAF support DCME PDS Search Assist