Date: Fri, 18 Feb 2011 10:59:34 -0500 From: "Daniel Staal" <DStaal@usa.net> To: freebsd-questions@freebsd.org Subject: ZFS-only booting on FreeBSD Message-ID: <97405dd7ad34c6cbecebfdda327d1e83.squirrel@www.magehandbook.com>
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I've been reading over the ZFS-only-boot instructions linked here: <http://wiki.freebsd.org/ZFS>; (and further linked from there) and have one worry: Let's say I install a FreeBSD system using a ZFS-only filesystem into a box with hotswapable hard drives, configured with some redundancy. Time passes, one of the drives fails, and it is replaced and rebuilt using the ZFS tools. (Possibly on auto, or possibly by just doing a 'zpool replace'.) Is that box still bootable? (It's still running, but could it *boot*?) Extend further: If *all* the original drives are replaced (not at the same time, obviously) and rebuilt/resilvered using the ZFS utilities, is the box still bootable? If not, what's the minimum needed to support booting from another disk, and using the ZFS filesystem for everything else? Daniel T. Staal --------------------------------------------------------------- This email copyright the author. Unless otherwise noted, you are expressly allowed to retransmit, quote, or otherwise use the contents for non-commercial purposes. This copyright will expire 5 years after the author's death, or in 30 years, whichever is longer, unless such a period is in excess of local copyright law. ---------------------------------------------------------------
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