what happens to pool if ZIL dies on ZFS v14

Gil Vidals gvidals at gmail.com
Fri Sep 17 05:18:42 UTC 2010


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)?

Here's the forum post:
*If you are going to split the ZIL onto a separate device, then you ***MUST*
** make it a mirrored vdev. If the ZIL device ever dies, the entire pool
goes with it!! ZFSv13 (in FreeBSD 8) doesn't support the removal of ZIL
devices.*

http://forums.freebsd.org/showthread.php?t=9859

Thanks for your responses.

--Gil Vidals / VMRacks.com


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