Date: Mon, 28 Jan 2019 21:58:25 +0000 From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 221077] Boot from ZFS fails following freebsd-update Message-ID: <bug-221077-3630-nfkhsd157A@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-221077-3630@https.bugs.freebsd.org/bugzilla/> References: <bug-221077-3630@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D221077 --- Comment #14 from Jason W. Bacon <jwb@freebsd.org> --- I suspect that ZFS may have a conflict with certain RAID controllers, perha= ps both trying to use the same lower blocks for volume management? I don't kn= ow much about ZFS internals so this is just a barely-educated guess, but every case I've seen of this problem with full details available (all of mine and= a few others) have involved ZFS on a hardware RAID. ZFS on a hardware RAID seems to work fine as long as you don't try to boot = from it. Booting from ZFS on a single disk or allowing ZFS to do volume managem= ent has never given me a problem. I've been using it regularly as long as it h= as been available in FreeBSD. If you look around you'll see other comments about why ZFS should not be us= ed on a hardware RAID. I haven't yet found one specifically about this issue,= but they're worth reading. --=20 You are receiving this mail because: You are the assignee for the bug.=
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