Re: RAID1 degradation failure.. (2.4.17)

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On Tue, Apr 23, 2002 at 03:11:13PM +0300, Matti Aarnio wrote:
> I have had a machine to go into degraded mode from whence
> it does recover automatically at next power restart, but
> the thing recovers wrong disk, e.g. leaps back in time!
...
> Apparently when a disk fails from under RAID1, the disks
> that are left into running the set are not marked with
> a NEW serial number in superblock so that auto-recovery
> won't pick obsolete data in case such becomes available.

  Comparing the lattest 2.4.19-pre code to my running one,
  it becomes clear that at 2.4.17 there is (was) missing
  a superblock update call.

/Matti Aarnio
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