what happens to pool if ZIL dies on ZFS v14

[Gil Vidals]

Bryan thank you for the detailed answer.

Assuming the ZIL SSD died, what steps would I follow to recover the pool? (i
hope it is recoverable).

-Gil Vidals / VMRacks.com

On Fri, Sep 17, 2010 at 8:13 AM, Bryan Drewery <bryan at shatow.net> wrote:

> Gil Vidals wrote:
>
>> I read a forum post claiming that FreeBSD's ZFS v13 will not continue to
>> function normally when the dedicated ZIL devices dies or goes away.
>> Apparently the Solaris version of ZFS does support losing the ZIL. So can
>> somebody confirm what happens in FreeBSD 8.1 (ZFS v14)?
>>
>>
>>
> Yes that is correct. You should mirror your log devices to avoid problems.
>
> zfs v19 allows removing log devices - so mirroring will not be necessary
> after that point.
> opensolaris$ zpool upgrade -v|grep Log
> 19  Log device removal
>
>
> Bryan
>