[Bugme-janitors] [Bug 6965] Kernel doesn't re-sync usb-raid1 after running mdadm --add

bugme-daemon at bugzilla.kernel.org bugme-daemon at bugzilla.kernel.org
Sun Aug 6 16:07:08 PDT 2006


http://bugzilla.kernel.org/show_bug.cgi?id=6965





------- Additional Comments From neilb at suse.de  2006-08-06 16:01 -------
Created an attachment (id=8721)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=8721&action=view)
Patch to avoid this problem

This patch should fix the problem,  With it in place, you should always
get a resync if any updates have happened sync the array wa broken.

BTW, you might like to try adding a bitmap to your array.
  mdadm --grow /dev/mdX --bitmap=internal
then when you add the USB drive back in, it will only update sections of
the drive that need to be updated, and so the resync should be much faster
and just as safe.


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