Eric Schrock wrote:
> On Tue, Dec 12, 2006 at 07:53:32AM -0800, Jim Hranicky wrote:
>> - I know I can attach it via the zpool commands, but is there a way to
>> kickstart the attachment process if it fails to attach automatically upon
>> disk failure?
> Yep. Just do a 'zpool replace zmir <target> <spare>'. This is what the
> FMA agent does in response to failed drive faults.
Sure, but that's what I want to avoid. The FMA agent should do this by
itself, but it's not, so I guess I'm just wondering why, or if there's
a good way to get to do so. If this happens in the middle of the night I
don't want to have to run the commands by hand.
>> - Is there something inherent to an old SCSI bus that causes spun-
>> down drives to hang the system in some way, even if it's just hanging
>> the zpool/zfs system calls? Would a thumper be more resilient to this?
> There are a number of drive failure modes that result in arbitrarily
> misbehaving drives, as opposed to drives which fail to open entirely.
> We are working on a more complete FMA diagnosis engine which will be
> able to diagnose this type of failure and proactively fault the device.
> I'm not sure exactly what behavior you're seeing by 'spun-down drives',
> so this may or may not address your issue.
For instance, the zpool command hanging or the system hanging trying to
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