31 August 2012

Reboot is allowed even if mdadm is resyncing RAID members

When managing RAID with mdadm tool under GNU/Linux, you may wonder if a restart is possible when resync of members is in progress.

The answer is: YES, it is possible.

After a reboot, the system will continue resyncing members until the end, whatever the count of restart.
It is an useful information when you want continue installing/configuring your OS without having to wait until the end of resync.
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6 comments:

  1. Unknown20 December 2014 at 17:18

    This answer is what I was searching for! Thank you Bertrand.

    ReplyDelete
  2. Bertrand BENOIT22 December 2014 at 18:58

    You're welcome ;)

    ReplyDelete
  3. Gonçalo Luiz15 October 2015 at 01:45

    The same is not true for recovery. Not too sure about rebuild.

    ReplyDelete
  4. Bertrand BENOIT17 October 2015 at 13:46

    Do you have any additional information about that ?

    ReplyDelete
  5. Unknown24 August 2017 at 21:56

    Thank you! So long I searching this answer!

    ReplyDelete
  6. Unknown7 December 2017 at 14:42

    The answer is no, if upgrading the kernel (ie yum update)

    ReplyDelete

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