On Wed, Feb 15, 2012 at 9:24 AM, Tiemen Ruiten <tie...@dgr.am> wrote:

> The correct sequence to replace a failed drive in a ZFS pool is:
> zpool offline tank da4
> shutdown and replace the drive
> zpool replace tank da4

    Are you saying that you cannot replace a failed drive without
shutting down the system? If that is the case with FreeBSD then I
suggest that FreeBSD is not ready for production use. I know that
under Solaris you _can_ replace failed drives with no downtime to the
end users, we do it on a regular basis.

    I suspect there is a method to replace a failed drive under
FreeBSD with no outage (assuming the drive is in a hot swap capable
enclosure), but as I am not familiar with FreeBSD I do not know what
it is.

Paul Kraus
-> Senior Systems Architect, Garnet River ( http://www.garnetriver.com/ )
-> Sound Coordinator, Schenectady Light Opera Company (
http://www.sloctheater.org/ )
-> Technical Advisor, Troy Civic Theatre Company
-> Technical Advisor, RPI Players
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