Panzura Freedom Filer Installation Guide

Panzura Freedom Filer Installation Guide Release 7.0 August 2017

Copyright 2017 Panzura, Inc. All rights reserved. The information in this manual is subject to change without notice. Originated in the USA. Any other trademarks appearing in this guide are the property of their respective companies. 8/8/2017 695 Campbell Technology Parkway Suite 225 Campbell, CA 95008 support@panzura.com 1 855 PANZURA (1 855 726 9872) +1 (408) 578 8888 www.panzura.com Panzura Freedom Filer Installation Guide 2

Contents 1 Filer Platform Options.............................................. 4 2 Installing a Physical Filer............................................ 5 Filer Chassis Overview....................................................... 5 Power Status Indicator................................................... 7 Hard Drive Status Indicators.............................................. 8 1GbE Interface Status Indicators........................................... 9 Rack Mounting the Chassis.................................................. 10 Identify the Rail Kit Contents............................................. 10 Install the Rails........................................................ 11 Install or Remove Chassis Rail Members................................... 12 Install the System in a Rack.............................................. 13 Remove the System from the Rack........................................ 14 Engage and Release the Slam Latch....................................... 15 Install the CMA Attachment Brackets...................................... 16 Connect Power........................................................ 16 Attach Network Cables.................................................. 17 Route the Cables....................................................... 17 3 Deploying a Filer on an Amazon Machine Instance...................... 19 Amazon Sizing Guidelines................................................... 19 Deploy a filer on AMI....................................................... 19 4 Deploying a Filer on Microsoft Azure................................. 23 Azure Sizing Guidelines..................................................... 23 Deploy a filer on Azure..................................................... 23 5 Deploying a Filer on a VMware vsphere Virtual Machine................ 32 vsphere Sizing Guidelines................................................... 32 Deploy a Filer in vsphere.................................................... 33 Best Practices for Flexibility and High Availability in the VMware Environment....... 34 6 Swapping Drives and Power Supplies................................. 36 Removing and Replacing the Front Bezel...................................... 36 Swapping a Hard Drive or Solid State Drive..................................... 37 Replacing Power Supplies................................................... 38 Removing and Replacing a Power Supply in a Single Power Supply System....... 38 Removing and Replacing a Redundant Power Supply......................... 39 Panzura Freedom Filer Installation Guide 3

1 Filer Platform Options The Panzura Storage Filer (filer) provides application aware storage and data optimization services for the enterprise. The following installation options are available for the filer. Physical filer. The physical filer is available in several models, each optimized to address the specific requirements of NAS, backup, and archive workloads. Each model fits into a standard 19 inch equipment rack and comes with rack mounting hardware. See Installing a Physical Filer on page 5 for information on the chassis options and instructions on rack mounting the physical filer. Amazon. You can deploy a filer on Amazon. See Deploying a Filer on an Amazon Machine Instance on page 19. Microsoft Azure virtual machine. You can deploy a filer on a Microsoft Azure VM. See Deploying a Filer on Microsoft Azure on page 23. VMware. You can deploy a filer on a VMware ESX host managed by vsphere. See Deploying a Filer on a VMware vsphere Virtual Machine on page 32. After installing the filer, refer to the Panzura Storage Filer Administration Guide for instructions on deployment, initial setup, configuration, and operations. Panzura Freedom Filer Installation Guide 4

2 Installing a Physical Filer This chapter provides an overview of the physical filer platform and describes how to install the filer chassis. Filer Chassis Overview Rack Mounting the Chassis Filer Chassis Overview The physical filer is available in several models, each optimized to address the specific requirements of NAS, backup, and archive workloads. Each model fits into a standard 19 inch equipment rack and comes with rackmounting hardware. The ports and disk drive slot numbers for the 1U filer are shown in the following figure. The IDRAC functionality uses port GB1, which it shares with the system. Figure 1 IU Filer Back panel Serial VGA GB1 GB2 idrac Keyboard and mouse USB 2.0 Front panel with 2.5 inch drives Redundant hot swappable power supplies Front panel with 3.5 inch drives Panzura Freedom Filer Installation Guide 5

Chapter 2 Installing a Physical Filer The following figure shows the back panel for the 2U filer. The 10G ports and redundant power supply are optional. When 10G is installed, the 1G ports are disabled. Figure 2 2U Filer Back Panel 2U filer back panel GB2 (ix1, 10G only) GB1(ix0, 10G only) idrac port Serial VGA Keyboard and mouse USB 2.0 GB1* GB2* Redundant hot swappable (bc0) (bc1) power supplies * These ports are enabled when 1Gb network configurations are used. They are disabled when 10Gb is installed. The following figure shows the front panel layouts with disk drive numbering for the 2U filer. Figure 3 2U Filer Front Panel Layouts Front panel with 2.5 inch drives Front panel with 3.5 inch drives Panzura Freedom Filer Installation Guide 6

Chapter 2 Installing a Physical Filer Power Status Indicator Some systems are shipped with redundant power supplies and some are shipped with single power supplies. An LED on the power button indicates when power is supplied to the system and the system is operational. The power supplies each have an indicator LED that shows if power is present. Figure 4 Power Status Indicator Table 1 Filer Power Indicator Codes LED Appearance Not lit Green Amber Alternating green and amber Meaning AC power is not connected. In standby mode, indicates that a valid AC source is connected to the power supply, and that the power supply is operational. When the system is on, it also indicates that the power supply is providing DC power to the system. Indicates a problem with the power supply. When hot adding a power supply, this indicates that the power supply is mismatched with the other power supply (a high output power supply and a Energy Smart power supply are installed in the same system). Replace the power supply that has the flashing indicator with a power supply that matches the capacity of the other installed power supply. Panzura Freedom Filer Installation Guide 7

Chapter 2 Installing a Physical Filer Hard Drive Status Indicators Each hard drive has two LEDs to indicate drive status. Figure 5 Hard Drive Status Indicator Table 2 Filer Hard Drive Status Indicators Drive Status Indicator Pattern (RAID Only) Meaning Steady green Blinks green two times per second Off Drive online. Identify drive/preparing for removal. Drive ready for insertion or removal. Note: The drive status indicator remains off until all hard drives are initialized after system power is applied. Drives are not ready for insertion or removal during this time. Blinks green, amber, and off Blinks amber four times per second Blinks green slowly Blinks green three seconds, amber three seconds, and off six seconds Drive predicted failure. Drive failed. Drive rebuilding. Rebuild aborted. Panzura Freedom Filer Installation Guide 8

Chapter 2 Installing a Physical Filer 1GbE Interface Status Indicators Each 1GbE interface two LEDs to indicate interface status. Figure 6 1GbE Interface Status Indicator Table 3 Filer 1GbE Interface Status Indicators LED Appearance Link and activity indicators are off Link indicator is green Link indicator is amber Activity indicator is blinking amber Meaning The interface is not connected to the network. The interface is connected to a valid link partner on the network. The interface is connected to a valid network link at 10/100 Mbps. Network data is being sent or received. This chapter describes how to install the Panzura filer chassis. Before you begin, carefully inspect the contents of the shipping container and compare with the bill of materials. Table 4 Installation Tasks Item Reference 1. Rack mount the chassis. Rack Mounting the Chassis on page 10 2. Attach AC power cord and power up the chassis. Connect Power on page 16 3. Attach Ethernet cabling. Attach Network Cables on page 17 4. Route the cables. Route the Cables on page 17 Panzura Freedom Filer Installation Guide 9

Chapter 2 Installing a Physical Filer Rack Mounting the Chassis This section describes how to mount the chassis in an equipment rack. Identify the Rail Kit Contents Locate the components for installing the rail kit assembly (Figure 7): 1. Two sliding rails 2. Two chassis rail members 3. Two Velcro straps 4. Two cable management arm (CMA) attachment brackets Figure 7 Identifying the Rail Kit Contents Panzura Freedom Filer Installation Guide 10

Chapter 2 Installing a Physical Filer Install the Rails Install 1. Position the left and right rail end pieces of the sliding rail labeled FRONT facing inward and orient each end piece to the holes on the front side of the vertical rack flanges. 2. Align each end piece to seat the pegs in the top and bottom hole of the first U. 3. Engage the back end of the rail until it is fully seated on the vertical rack flange and the first tooth on the latch locks in place. Repeat these steps to position and seat the front end piece on the vertical flange. Remove Pull on the latch release button on the end piece midpoint and unseat each rail (4 in the figure). Figure 8 Installing Rails Round hole rack Square hole rack Panzura Freedom Filer Installation Guide 11

Chapter 2 Installing a Physical Filer Install or Remove Chassis Rail Members Install 1. Place the system on a level surface and align the four keyhole slots on the chassis rail members with the corresponding pins on the system. 2. Slide the chassis rail members towards the back of the system until each one locks into place. Remove Lift the lock spring until it clears the head of the pin. Slide the chassis rail member toward the front of the system until the pins slip through the keyhole slots. Figure 9 Installing or Removing the Chassis Rail Members Panzura Freedom Filer Installation Guide 12

Chapter 2 Installing a Physical Filer Install the System in a Rack Note Ensure that the filer is properly supported and prevented from falling until the chassis rail members are locked into the slide rails on both sides. 1. Pull the sliding rails out of the rack until they lock into place. 2. Align and insert the ends of the chassis rail members into the ends of the rails. 3. Push the system inward until the chassis rail members lock into place. Push or pull the blue tab located near the front of the system and slide the system into the rack. Figure 10 Installing the System in a Rack Panzura Freedom Filer Installation Guide 13

Chapter 2 Installing a Physical Filer Remove the System from the Rack 1. Pull the system out of the rack until the sliding rails lock into place. 2. Locate the white tabs on the sides of the chassis rail members. 3. Pull the tabs towards the front of the system to release the chassis rail members from the rails. Continue pulling the system until the chassis rail members are completely clear of the rails and place the system on a level surface. Note To remove the chassis rail members from the system, see Figure 9. Figure 11 Removing the System from the Rack Panzura Freedom Filer Installation Guide 14

Chapter 2 Installing a Physical Filer Engage and Release the Slam Latch Note For systems not equipped with slam latches, you can secure the system using screws, as described below. 1. Facing the front, locate the slam latch on either side of the system. 2. The latches engage automatically as the system is pushed into the rack and are released by pulling up on the latches. 3. To secure the system for shipment in the rack or for other unstable environments, locate the hard mount screw under each latch and tighten each screw with a #2 Phillips screwdriver. Figure 12 Engaging and Releasing the Slam Latch Panzura Freedom Filer Installation Guide 15

Chapter 2 Installing a Physical Filer Install the CMA Attachment Brackets 1. Locate the cable management arm (CMA) attachment bracket marked A and install it at the back of the slide rail marked with a corresponding A. Align the holes on the bracket with the pins on the slide rail and push the bracket forward until it locks into place. Repeat the same process for the CMA attachment bracket marked B. Figure 13 Installing the CMA Attachment Brackets Connect Power For proper safety and performance, the power cord must be rated at least 10A and conform to grounded electrical standards in the country where the product is operated. For safety reasons, verify that the power outlet and plug are within easy reach and can be disconnected quickly if necessary. 1. Plug the AC power cord or cords into the power receptacle on the rear panel of the filer. Figure 14 shows two power cords for a redundant power supply configuration. 2. Connect the other end of the power cord into an AC wall plug at the installation site. 3. Press the System Power push button on the front panel of the filer, and watch the power indicator to ensure that the system powers up correctly. Note If you are using an expansion shelf, power the shelf before powering the filer, so the shelf will be recognized as the filer powers up. When powering down, power down the filer and then the expansion shelf. Panzura Freedom Filer Installation Guide 16

Chapter 2 Installing a Physical Filer Figure 14 Power Connection Attach Network Cables Route the Cables The filer has ports GB1 and GB2 on the rear panel (1GbE or 10GbE). For locations, see the figures in Filer Chassis Overview on page 5. The network connection depends on the deployment mode. One arm deployment In this mode, the filer is connected to the network through a single interface, GB1. The filer is not directly in the traffic path between the internal and external networks. Attach an RJ 45 Ethernet cable to GB1. GB2 is unused. Inline deployment In this mode, the filer is connected to the network by separate LAN (GB1) and WAN (GB2) interfaces. Attach RJ 45 Ethernet cables to GB1 and GB2. See the Panzura Filer Administration Guide for more information on one arm and inline deployments. 1. Bundle the cables, pulling them clear of the system connectors to the left and the right sides. 2. Use the Velcro straps to securely bundle the cables at the back of the system. Panzura Freedom Filer Installation Guide 17

Chapter 2 Installing a Physical Filer Figure 15 Routing the Cables Congratulations! Hardware installation is complete. To continue with filer setup and operations, see the Panzura Freedom Filer Administration Guide. Panzura Freedom Filer Installation Guide 18

3 Deploying a Filer on an Amazon Machine Instance This chapter provides steps for deploying a filer on an Amazon Machine Instance (AMI). Amazon Sizing Guidelines Deploy a filer on AMI Amazon Sizing Guidelines Panzura recommends using AWS instances with at least 8 CPUs and 64 GB of memory. Table 5 Sizing Guidelines for filer deployment on AMI Small 1 Gbps m4.2xlarge Provisioned IOPs Medium 1.5 Gbps m4.4xlarge Provisioned IOPs Large 4 Gbps m4.10xlarge+ Provisioned IOPs Deploy a filer on AMI Follow these steps to deploy the Panzura Storage Filer (filer) on an AMI. 1. In Amazon, go to EC2 and select Launch Instance. Panzura Freedom Filer Installation Guide 19

Chapter 3 Deploying a Filer on an Amazon Machine Instance 2. Select AWS Marketplace and search for Panzura. 3. Select the Panzura instance. 4. A default filer is automatically selected. To set up the filer, click Next: Configure Instance Details. Panzura Freedom Filer Installation Guide 20

Chapter 3 Deploying a Filer on an Amazon Machine Instance 5. In the Configure Instance step, select a VPC option under Network. A default subnet is selected automatically. Enable auto assign public IP. 6. Click Review and Launch. 7. Keep the default for Boot from SSD and click Next. 8. Review the launch information and click Launch. 9. If prompted about a key pair, select your existing key pair, or create a new one. Click Launch Instances. 10. The instances begin launching. 11. Return to the EC2 screen and select the running instance. 12. To obtain the IP address of the filer, scroll horizontally to the right. 13. When the Status Checks column indicates that the instance is ready, you can access the filer at the public IP address (https://<ipaddress>). The setup wizard starts automatically. To continue with filer setup and operations, see the Panzura Freedom Filer Administration Guide. Panzura Freedom Filer Installation Guide 21

Chapter 3 Deploying a Filer on an Amazon Machine Instance Panzura Freedom Filer Installation Guide 22

4 Deploying a Filer on Microsoft Azure This chapter provides steps for deploying a filer on an Amazon Machine Instance (AMI). Azure Sizing Guidelines Deploy a filer on Azure Azure Sizing Guidelines The following guidelines apply to filer deployment on Azure. Table 6 Sizing Guidelines for filer deployment on Azure Small 1 Gbps DS12v2 Managed Storage, Read Only Host Disk Cache Medium 2 Gbps DS13v2 Managed Storage, Read Only Host Disk Cache Large 4 Gbps DS14v2* Managed Storage, Read Only Host Disk Cache * DS14v2 and DS15v2 perform similarly with DS15v2 providing an approximate 15% throughput increase. Deploy a filer on Azure Follow these steps to deploy the Panzura Storage Filer (filer) on a Microsoft Azure virtual machine. 1. Sign in to the Azure portal (portal.azure.com). 2. Click the + icon to add a new Azure item. Panzura Freedom Filer Installation Guide 23

Chapter 4 Deploying a Filer on Microsoft Azure 3. In the search box, enter panzura and then select Panzura VM Filer BYOL. 4. Click Create in the deployment page. Panzura Freedom Filer Installation Guide 24

Chapter 4 Deploying a Filer on Microsoft Azure 5. Enter the VM parameters for your deployment and click OK. Use panzuraadmin as the username and specify a password. 6. Select the machine type and click Select. Panzura Freedom Filer Installation Guide 25

Chapter 4 Deploying a Filer on Microsoft Azure 7. Change any settings as needed for your environment and click OK. Panzura Freedom Filer Installation Guide 26

Chapter 4 Deploying a Filer on Microsoft Azure 8. After validation is performed, click OK. 9. Click Purchase. The VM starts deploying. The process takes a few minutes. Panzura Freedom Filer Installation Guide 27

Chapter 4 Deploying a Filer on Microsoft Azure 10. Navigate to the Virtual machines page in Azure to check the deployment status. When the status is Running, the deployment is complete. 11. Click the VM name to display the properties. 12. Click Disks, then click Add data disk to add disks. Panzura Freedom Filer Installation Guide 28

Chapter 4 Deploying a Filer on Microsoft Azure 13. Change the disk size if needed and select the storage container. 14. Click OK. 15. Change the LUN number to be 2 or higher. 16. Add additional disks as needed. The LUN numbers for the additional disks are added automatically in sequence. 17. Click Save to save settings and update the VM with the specified disk space. 18. Go back to the VM page and stop and then start the VM. Panzura Freedom Filer Installation Guide 29

Chapter 4 Deploying a Filer on Microsoft Azure 19. When the VM is up, you can access the Web UI. Username is admin and the password is the password that was configured when specifying the VM parameters. To continue with filer setup and operations, see the Panzura Freedom Filer Administration Guide. Panzura Freedom Filer Installation Guide 30

Chapter 4 Deploying a Filer on Microsoft Azure Panzura Freedom Filer Installation Guide 31

5 Deploying a Filer on a VMware vsphere Virtual Machine You can deploy the Panzura Storage Filer (filer) on a VMware vsphere virtual machine. This chapter also includes best practices for using VMware vmotion for flexibility and high availability in the VMware environment. vsphere Sizing Guidelines Deploy a Filer in vsphere Best Practices for Flexibility and High Availability in the VMware Environment vsphere Sizing Guidelines The following table gives sizing guidelines for filer deployment on VMware vsphere. The SSD and flash storage must be enterprise grade and stable across power failures. Battery/Super Cap backed or equivalent write caches are required. Panzura instances, acting as caches, will use all available storage for the best performance. So SSDs must be capable of maintaining high write performance even at 80%+ capacity. Table 7 Sizing Guidelines for filer deployment on VMware vsphere Small 1 Gbps 10 CPU x 2.2Ghz+ 32 GB Meta in SSD*, Data in HDD or SSD Medium 5 Gbps 20 CPU x 2.2Ghz+ 128 GB Meta in SSD*, Data in SSD. Some HDD opportunities for low stream environments (under 50 streams) Large 10 Gbps 50 CPU x 2.2Ghz+ 512GB All SSD* Panzura Freedom Filer Installation Guide 32

Chapter 5 Deploying a Filer on a VMware vsphere Virtual Machine Deploy a Filer in vsphere 1. From vsphere, select File > Choose Deploy OVF Template. 2. Browse to the location of the OVF Template and Click Next. 3. Click Next on the OVF Template Details page. 4. Accept the License Agreement and Click Next. Panzura Freedom Filer Installation Guide 33

Chapter 5 Deploying a Filer on a VMware vsphere Virtual Machine 5. Name the filer and Click Next. 6. Choose Thick Provision Lazy Zeroed and Click Next. 7. Click Finish to complete the deployment of the Virtual Panzura Cloud Filer. 8. You can now power on the filer. If you do not clearly see the login prompt after bootup is complete, press Enter to display the login prompt. This step may be required whenever the VM is rebooted. To continue with filer setup and operations, see the Panzura Freedom Filer Administration Guide. Best Practices for Flexibility and High Availability in the VMware Environment VMware provides support for flexibility and high availability of the filer storage and hosts. vmotion VMware vmotion allows you to migrate filer VMs and storage within the VMware environment. You can use vmotion to migrate the host on which the filer is running, migrate the storage associated with a filer, or migrate both the host and storage. Panzura Freedom Filer Installation Guide 34

Chapter 5 Deploying a Filer on a VMware vsphere Virtual Machine The following figure shows a vmotion configuration, with two filers and shared storage. The following are best practices when configuring vmotion in vsphere: Configure all metadata to be on SSD. Configure cache data to be on HDD or SSD. Configure metadata and cache on separate storage media. Configure the migration so that the metadata and cache migrate to compatible media. HA in vsphere VMware provides HA capabilities for vsphere hosts. If the vsphere host on which the filer is running goes down, the vsphere HA process will cause a takeover of that host by another host. The takeover is automatic, without any reconfiguration required; however, there will be a service interruption while the takeover is completed. HA in Panzura Use the HA capabilities in Panzura for redundancy if there is an issue with a filer running on a VMware host. Panzura HA allows takeover by another VM filer. Deploy the active and standby filers on different VMware hosts to reduce the likelihood that a host failure will affect the HA takeover. Panzura Freedom Filer Installation Guide 35

A Swapping Drives and Power Supplies This appendix describes how to replace drives and power supplies. Removing and Replacing the Front Bezel on page 36 Swapping a Hard Drive or Solid State Drive on page 37 Replacing Power Supplies on page 38 Removing and Replacing the Front Bezel 1. Unlock the keylock at the left end of the bezel. 2. Lift up the release latch next to the key lock. 3. Rotate the left end of the bezel away from the front panel. 4. Unhook the right end of the bezel and pull the bezel away from the system. Figure 16 Removing and Replacing the Front Bezel To replace the bezel, hook the right end of the bezel onto the chassis, then fit the free end of the bezel onto the system. Secure the bezel with the keylock. Panzura Freedom Filer Installation Guide 36

Appendix A Swapping Drives and Power Supplies Swapping a Hard Drive or Solid State Drive Panzura OS supports hot swap for hard drives and solid state drives (SSDs). 1. Remove the front bezel. See Removing and Replacing a Redundant Power Supply on page 39. 2. Work with Panzura Support to identify the failed drive and confirm that the RAID management software is ready for drive removal. 3. Wait until the drive indicators on the drive carrier signal that the drive can be removed safely. If the drive has been online, the green activity/fault indicator will flash as the drive is powered down. When the drive indicators are off, the drive is ready for removal 4. Press the release button to open the carrier handle and release the drive (Figure 17). 5. Slide the drive out of the drive bay. 6. Insert and secure the replacement hard drive or SSD in the vacated drive bay: a. Press the button on the front of the drive carrier to unlock the carrier handle. b. With the carrier handle open, slide the drive into the drive bay until the carrier contacts the backplane. c. Slowly close the carrier handle to lock the drive in place. 7. Work with Panzura Support to confirm that the drive is visible to the system and ready for use. Figure 17 Swapping a Hard Drive or SSD Panzura Freedom Filer Installation Guide 37

Appendix A Swapping Drives and Power Supplies Replacing Power Supplies Some filers have a single power supply and some have redundant power supplies. Hot swap is supported for redundant power supplies. Removing and Replacing a Power Supply in a Single Power Supply System Before replacing a single power supply that you have received from Panzura: Identify the power supply to be replaced. See Power Status Indicator on page 7 for the location of the power status indicator and an explanation of the indicator codes. You might need to unlatch and lift the optional cable management arm if it interferes with power supply removal. Verify that the new power supply is the same type and has the same maximum output power as the one you are removing. The maximum output power (shown in watts) is listed on the power supply label. Follow these steps to replace a redundant power supply: 1. Power down the filer. 2. Disconnect the power cable from the power source. 3. Disconnect the power cable from the power supply and remove the Velcro straps that bundle and secure the system cables. 4. Pull the power supply straight out to release it from the power distribution board and clear the chassis. 5. Slide the new power supply into the chassis until the power supply is fully seated and the release latch snaps into place. 6. Connect the power cable to the power supply, plug the cable into a power outlet, and secure with the Velcro strap. 7. Power on the system. Allow several seconds for the system to recognize the power supply. The power supply status indicator turns green to signify proper functioning. Figure 18 Removing and Replacing a Single Power Supply Panzura Freedom Filer Installation Guide 38

Appendix A Swapping Drives and Power Supplies Removing and Replacing a Redundant Power Supply Before replacing a redundant power supply that you have received from Panzura: The system requires one power supply to operate the system normally. On power redundant systems, remove and replace only one power supply at a time in a system that is powered on. Identify the power supply to be replaced. See Power Status Indicator on page 7 for the location of the power status indicator and an explanation of the indicator codes. You might need to unlatch and lift the optional cable management arm if it interferes with power supply removal. Verify that both power supplies are the same type and have the same maximum output power. The maximum output power (shown in watts) is listed on the power supply label. Follow these steps to replace a redundant power supply: 1. Identify the power supply to be replaced and disconnect its power cable from the power source. 2. Disconnect the power cable from the power supply and remove the Velcro straps that bundle and secure the system cables. 3. Pull the power supply straight out to release it from the power distribution board and clear the chassis. 4. Slide the new power supply into the chassis until the power supply is fully seated and the release latch snaps into place. 5. Connect the power cable to the power supply, plug the cable into a power outlet, and secure with the Velcro strap. 6. Allow several seconds for the system to recognize the power supply. The power supply status indicator turns green to signify proper functioning. Figure 19 Removing and Replacing a Redundant Power Supply Panzura Freedom Filer Installation Guide 39