On Mon, Jan 24, 2000 at 03:26:53PM -0500, Jeff Howard wrote:
> 2. When I shutdown, connect the second disk back and start up again,
> the second disk doesn't seem to re-sync. I get a message that the first
> disk is running in degraded mode because there's no spare disk to
> reconstruct the array. I assumed that connecting the second disk
> would cause the system to re-sync the disks and continue on as a
> mirrored system again.
>
> So... does RAID1 work differently than I expected? Is there a patch
> I'm missing? Do I need a third disk to actually have the system repair
> itself?
The RAID system shouldn't just assume that the second disk should be used to
resync the RAID array. You have to do a raidhotadd to add the specific
partition back to the array, which will then resync.
If you had specified (or raidhotadded) a spare, then that disk would
auto-reconstruct.
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