Date: Sun, 30 Sep 2012 13:06:43 +0200 From: "Ronald Klop" <ronald-freebsd8@klop.yi.org> To: freebsd-fs@freebsd.org Subject: Re: Can't remove zil / separate log device from root pool Message-ID: <op.wlf3thbn8527sy@pinky> In-Reply-To: <CABzXLYPr8C=2xRcTih=L6XV9DG=LBY3Om6FNxLzvpTKL-Waz3g@mail.gmail.com> References: <CABzXLYPr8C=2xRcTih=L6XV9DG=LBY3Om6FNxLzvpTKL-Waz3g@mail.gmail.com>
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On Fri, 28 Sep 2012 17:43:04 +0200, Olivier Smedts <olivier@gid0.org> wrote: > Hello, > > Some time ago I added a separate log device to my root pool (with the > "bootfs" unset hack) but now I can't remove it from my pool : > > # uname -a > FreeBSD zozo.afpicl.lan 10.0-CURRENT FreeBSD 10.0-CURRENT #0 r241027: > Fri Sep 28 14:43:13 CEST 2012 > root@zozo.afpicl.lan:/usr/obj/usr/src/sys/CORE amd64 > root@zozo:/root# zpool status > pool: tank > state: ONLINE > status: The pool is formatted using a legacy on-disk format. The pool > can > still be used, but some features are unavailable. > action: Upgrade the pool using 'zpool upgrade'. Once this is done, the > pool will no longer be accessible on software that does not > support feature > flags. > scan: resilvered 7,27M in 0h0m with 0 errors on Mon Sep 17 12:43:16 > 2012 > config: > > NAME STATE READ WRITE CKSUM > tank ONLINE 0 0 0 > mirror-0 ONLINE 0 0 0 > gpt/disk1 ONLINE 0 0 0 > gpt/disk0 ONLINE 0 0 0 > logs > gpt/zil ONLINE 0 0 0 > > errors: No known data errors > root@zozo:/root# time zpool remove tank gpt/zil && echo "ok !" > 0.000u 0.008s 0:02.61 0.0% 0+0k 0+1io 0pf+0w > ok ! > root@zozo:/root# zpool status > pool: tank > state: ONLINE > status: The pool is formatted using a legacy on-disk format. The pool > can > still be used, but some features are unavailable. > action: Upgrade the pool using 'zpool upgrade'. Once this is done, the > pool will no longer be accessible on software that does not > support feature > flags. > scan: resilvered 7,27M in 0h0m with 0 errors on Mon Sep 17 12:43:16 > 2012 > config: > > NAME STATE READ WRITE CKSUM > tank ONLINE 0 0 0 > mirror-0 ONLINE 0 0 0 > gpt/disk1 ONLINE 0 0 0 > gpt/disk0 ONLINE 0 0 0 > logs > gpt/zil ONLINE 0 0 0 > > errors: No known data errors > > I tried unsetting bootfs before removing the log device. Not better. > I tried importing my pool with a 9.1-RC1 liveCD, removing the log > device. The same thing happens. > I tried by physically detaching the log device from my computer. The > system can't mount root. With the 9.1-RC1 liveCD, I can import the > pool with "-m" but then I still can't remove the log device from the > pool. > > Any idea on what I could do ? > > Thanks > What version is your zpool/zfs? Mind the message about upgrading in your output above. Not all version of ZFS support removing a log or cache disk. Run 'zpool upgrade' and 'zfs upgrade'. They will only print the current version. They need more options for real upgrading. Ronald.
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