PowerFlex 2.6 Procedure To Upgrade SDS OS With DasCache

Summary: The procedure below explains how to upgrade an SDS OS with DasCache. This procedure exists to avoid any data integrity issues that might occur during an OS upgrade, as seen in the following KB https://www.dell.com/support/kbdoc/en-us/000195109. ...

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Instructions

Steps

  1. Verify SDS, and DasCache are fully operational:

    For example:

    [root@Node1 ~]# scli --query_sds --sds_name sds01
    [root@Node1 ~]# fscli -l

  2. Verify DasCache version:

    For example:

    [root@Node1 ~]# rpm -qa | grep fiop
fiop-1.5.14.rel-R3_9_Win_Linux.41_3.10.0_327.el7.x86_64.x86_6

  3. Enter the SDS to maintenance mode.

    For example:

    [root@Node2 ~]# scli --enter_maintenance_mode --sds_name SDS1
Set Maintenance Mode Results:
        SDS SDS1: Success
  4. Upgrade the OS (yum update or with any other method).
    Note: Reboot may be required.
     

  5. Upgrade the DasCache software to match the new kernel version.

    Note: Reboot may be required.

    [root@Node]# ./SanDiskDASCacheInstaller-1.5.14.41-20200402-RHEL-6x7x.run -- --sio
Verifying archive integrity... All good.
Uncompressing The installer for SanDiskDASCache SE for Linux..........................................................................................................................................................................................................................................................................................................................................................................................................................
Checking whether kernel 3.10.0_957.el7.x86_64 is supported....
kernel 3.10.0_957.el7.x86_64 is supported...
Driver with version 1.5.14.rel already installed on the system. Replacing...
Preparing... ################################# [100%]
Updating / installing...
1:fiop-1.5.14.rel-R3_9_Win_Linux.41################################# [ 50%]
Updating module dependencies...done!
Setting new license...
Cleaning up / removing...
2:fiop-1.5.14.rel-R3_9_Win_Linux.41################################# [100%]
Updating Module dependencies...done
########################################################
Please reboot the machine for the changes to take effect
########################################################
done
     

  6. Verify the DasCache version after upgrade:

    For example:

    [root@Node1 ~]# rpm -qa | grep fiop
fiop-1.5.14.rel-R3_9_Win_Linux.41_3.10.0_957.el7.x86_64.x86_64
     
  7. Verify the SDS and DasCache are fully operational, the same as step 1.
     
  8. Exit SDS from maintenance mode.
     
  9. Verify cluster health.
     
  10. Move to the next node.

Affected Products

PowerFlex rack
Article Properties
Article Number: 000195110
Article Type: How To
Last Modified: 14 Apr 2025
Version:  3
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