Boot problem if a ZFS log device is missing

Charles Sprickman spork at bway.net
Thu Aug 29 21:38:15 UTC 2013


On Aug 29, 2013, at 5:01 AM, Andriy Gapon wrote:

> on 29/08/2013 11:27 Maurizio Vairani said the following:
>> 
>> I am able to boot the PC without a cache device but not without a log device. Why ?
> 
> The log could potentially contain uncommitted entries.  Without the log device
> there is no knowing if it did or did not.  And if it did then the pool is
> inconsistent state without the log device and so it can not be imported.

If one is willing to accept that data is lost (like the log device is totally smoked), is there a way to boot knowing that you may have some data loss, or is the only option to boot alternate media and force a pool import (assuming that works without the log device)?

Charles

> 
> The cache is not persistent and so there is nothing needed from it upon a boot.
> 
> -- 
> Andriy Gapon
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