Nimble failed to  update ( 0.99 of 7.0: Update failed. Array reverts to old OS.  ) 

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I reviewed the update logs and precheck and the error triggered that stopped the update seems to be due to a permission error of unpacking the software image :

Fri Sep 30 19:21:49 2022 AEST: nimprove: Precheck script complete Fri Sep 30 19:21:49 2022 AEST: nimprove: done with precheck, PASSED Fri Sep 30 19:21:49 2022 AEST: nimprove: Successfully assembled SW update states Fri Sep 30 19:21:49 2022 AEST: nimprove: Setting array update state to 000,local Fri Sep 30 19:21:49 2022 AEST: nimprove: sw_update_tracker: 0.0 of 7.0: No software update is in progress Fri Sep 30 19:21:50 2022 AEST: nimprove: Has set array version to 6.0.0.500-1005932-opt,2, notify pmd of new array version Fri Sep 30 19:21:50 2022 AEST: nimprove: Done with activate_next() function.
Fri Sep 30 19:21:52 2022: : Setting array update state to 100,peer Fri Sep 30 19:21:53 2022: : sw_update_tracker: 1.0 of 7.0: Controller A is unpacking update package Fri Sep 30 19:21:56 2022 AEST: mk_uefi_boot_image: FATAL: Running command (mkfs.ext2 -q -b 4096 -F $os_dev) near script mk_uefi_boot_image:update_os():1 failed (ret=1) Fri Sep 30 19:21:56 2022 AEST: nimprove: FATAL: Trying to unpack new USB image failed (ret=1) Fri Sep 30 19:21:56 2022 AEST: sw_update: unpack failed: 1 Fri Sep 30 19:21:56 2022 AEST: sw_update: revert back to 6.0.0.400-991645-opt,2 Fri Sep 30 19:21:57 2022: : Setting array update state to 099,peer Fri Sep 30 19:21:58 2022: : sw_update_tracker: 0.99 of 7.0: Update failed. Array reverts to old OS.

-SAN-02-B:/# software –list
——————–+———–+———-+—————————-
——————–+———–+———-+——-
Version              Status      Size (MiB) Release Status
——————–+———–+———-+—————————-
——————–+———–+———-+——-
6.1.1.0-1006671-opt  available         2804 GA Candidate
6.0.0.500-1005932-opt downloaded        2468 General Availability
6.0.0.400-991645-opt installed   unknown


-SAN-02-B:/# software –precheck
INFO: Software update precheck passed on array for currently installed version and for downloaded version 6.0.0.500-1005932-opt

-SAN-02-B:/# software –update_status Updating group to version: 6.0.0.500-1005932-opt Group update start time: Sep 30 2022 19:21:26 Group update end time: Sep 30 2022 19:22:51 Updating array: -SAN-02
INFO: Software update has encountered an error. Contact HPE Nimble Storage Support.
-SAN-02-B:/#


Could you please let me know if you would like for us to attempt with starting now the update to 6.0.0.500 , by using CLI for manual downloading the image on array and start the update, or if would like to give a retry by following the below steps and let us know back if there was any issue while running these steps.

1. Download the image
software –download 6.0.0.500-1005932-opt 2. Run the update of array:
software –update –accept_license
3. To check the status of update:
software –update_status