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Asset ID: 1-71-1606153.1
Update Date:2018-01-04
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Solution Type  Technical Instruction Sure

Solution  1606153.1 :   How to Restore a RAID drive that is showing as "Unconfigured Bad"  


Related Items
  • Net-Net 2620
  •  
Related Categories
  • PLA-Support>Sun Systems>CommsGBU>Session Delivery Network>SN-SND: Acme Service Provider
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Occasionally we have seen the onboard raid controller list the drive members as 'Unconfigured bad'. Usually, it is possible to repair this and keep the data intact using the RAID WebBIOS.

In this Document
Goal
Solution


Applies to:

Net-Net 2620 - Version All Versions and later
Acme Packet OS
Occasionally we have seen the onboard raid controller list the drive members as 'Unconfigured bad'. Usually, it is possible to repair this and keep the data intact using the RAID WebBIOS.

Goal

 Occasionally we have seen the onboard raid controller list the drive members as 'Unconfigured bad'. Usually, it is possible to repair this and keep the data intact using the RAID WebBIOS.

This process will need to be done using a VGA monitor and USB mouse to maneuver around in the RAID WebBIOS and should be done in a maintenance window as it will involve the steps below:

Solution

Occasionally we have seen the onboard raid controller list the drive members as 'Unconfigured bad'. Usually, it is possible to repair this and keep the data intact using the RAID WebBIOS.

This process will need to be done using a VGA monitor and USB mouse to maneuver around in the RAID WebBIOS and should be done in a maintenance window as it will involve the steps below:

  1. Plug in VGA monitor and USB keyboard and then type 'Restart cold' at CLI prompt.
  2. Upon restart, enter the RAID BIOS by pressing CTRL-G. You can then replace USB keyboard with the USB mouse in the front USB port as the keyboard will not be needed for this process. Or, if the cord is long enough, you can plug the mouse into one of the rear USB ports. As an alternative, youmay also be able to use the TAB key in order to navigate.
  3. Select the respective hard drive which is marked unconfigured bad - drive in slot 1 in this case.
  4. Select the option Make Unconfigured Good and Go.
  5. Select the option Replace Missing PD on the bottom right on the RAID BIOS screen and Go.
  6. Once these two options have been selected the option to rebuild the RAID array will be available.
  7. Select "Rebuild Drive" checkmark box at the lower centre of the screen, and then click [Go]. The drive should show in a REBUILD state. When it is done the drive should show in an ONLINE state. This rebuild process can take some time to complete, but I'd expect it to be complete in less than an hour.

After system restart the raid CLI commands should reflect this ONLINE state

OSE>show raid-logical-drive-status

logical-disk primary secondary size state physical-drives
------------ ------- --------- ---- ----- ---------------
L0 1 0 237464 Optimal slot0 slot1
L1 1 0 474928 Optimal slot2 slot3 slot4 slot5

OSE>show raid-drive-status

device media-errors other-errors predictive-failures raw-size state
------ ------------ ------------ ------------------- -------- -----
slot0 0 0 0 238475 Online
slot1 0 0 0 238475 Online
slot2 0 0 0 238475 Online
slot3 0 0 0 238475 Online
slot4 0 0 0 238475 Online


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