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How to recreate a RAID disk on NX9500/NX9600

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TitleHow to recreate a RAID disk on NX9500/NX9600
Objective
Rebuild the RAID on the controller, in case controller shows the following error:
login as: admin
admin@10.10.10.10's password:
RAID Degraded!
hostname>en
RAID Degraded!
hostname#
Environment
  • ExtremeWiNG Controllers
  • WirelessWiNG Controllers
  • WiNG v5.X Software
  • NX9500
  • NX9600
Procedure
  • Ensure which partition(s) is the one having the problem, for that, execute the following command
          Note: "not-installed" could mean no drive is present or something is wrong with the drive.
           
#show raid
Logical drive info:
 Size 930 GB, State optimal
 Type RAID-1
 Alarm enabled
 Last check: 11/14/2017 14:44:54
 Last check result: completed

Physical drive info:

Drive slot 0: online
Drive slot 1: failed
Drive slot 2: online
Drive slot 3: online
Drive slot 4: not-installed
  • Proceed with the removal of the drive which is failing, in this case, the slot 1 (same for slot 4)
#raid remove drive 1
  • Wait for a while and execute again the show raid command to ensure the partition is removed from the RAID.
  • Rebuild the RAID again with the command
#raid install drive 1
  • If the operation is done correctly you will see the following
#show raid
Logical drive info:
 Size 930 GB, State optimal
 Type RAID-1
 Alarm enabled
 Last check: 11/14/2017 14:44:54
 Last check result: completed

Physical drive info:

Drive slot 0: online
Drive slot 1: online
Drive slot 2: online
Drive slot 3: online
Drive slot 4: online


 
Additional notes
If after rebuilding the RAID the slot state does not show as online for example slot 4, the HD placed on that slot needs to be replaced. There are 2 ways to proceed:
#show raid
Logical drive info:
 Size 930 GB, State optimal
 Type RAID-1
 Alarm enabled
 Last check: 11/14/2017 14:44:54
 Last check result: completed

Physical drive info:

Drive slot 0: online
Drive slot 1: online
Drive slot 2: online
Drive slot 3: online
Drive slot 4: unconf-bad
  1. Replace the HD by yourself, bearing in mind that the replacement HD needs to have the same specifications that the one replaced (same lecture speed, model, and space). After the HD is replaced, proceed with the RAID building based on the instructions above.
  2. Send the unit to our repair center to have the HD replaced by them.

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