VxVM : Re-adding a failed boot disk – incase of correctable errors


Re-adding a disk is same procedure as replacing a failed disk, except we use same disk. We have to detach the disk  from vxvm, so that the VxVM will detect the disk failure and will cease access to the failed disk.

 You can then perform any special procedures to correct the problem, such as reformatting the device. To re-add a failed boot disk

      1. Select the vxdiskadm “Replace a failed or removed disk”menuitem to replace the disk, and specify the same device as the replacement. For example, you might replace disk01 with the device c0t0d0s2.
      2.  If hot-relocation is enabled when a mirrored boot disk fails, an attempt is made to create a new mirror and remove the failed subdisks from the failing boot disk. If a re-add succeeds after a successful hot-relocation, the root and other volumes affected by the disk failure no longer exist on the re-added disk. Run vxunreloc to move the hot-relocated subdisks back to the newly replaced disk


I have started unixadminschool.com ( aka gurkulindia.com) in 2009 as my own personal reference blog, and later sometime i have realized that my leanings might be helpful for other unixadmins if I manage my knowledge-base in more user friendly format. And the result is today's' unixadminschool.com. You can connect me at - https://www.linkedin.com/in/unixadminschool/

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