Date: Mon, 19 Jul 2010 11:33:41 -0400 From: Garrett Moore <garrettmoore@gmail.com> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: Problems replacing failing drive in ZFS pool Message-ID: <AANLkTikq4RAbRZfXNcm1rI4dDmGzQUYI1QfmS3-yEVEg@mail.gmail.com> In-Reply-To: <20100719152416.GA14324@icarus.home.lan> References: <AANLkTimOrwHe7xiwoap2H2mUtA7vU6TjENkPC4yJ02_z@mail.gmail.com> <20100719152416.GA14324@icarus.home.lan>
next in thread | previous in thread | raw e-mail | index | archive | help
Oops - shouldn't have forgotten that, sorry. FreeBSD leviathan 8.0-RELEASE FreeBSD 8.0-RELEASE #0: Sat Nov 21 15:02:08 UTC 2009 root@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64 On Mon, Jul 19, 2010 at 11:24 AM, Jeremy Chadwick <freebsd@jdc.parodius.com>wrote: > On Mon, Jul 19, 2010 at 11:21:38AM -0400, Garrett Moore wrote: > > I have an 8-drive ZFS array consisting of WD15EADS drives. One of my > disks > > has started to fail, so I got a replacement disk. I have replaced a disk > > before by: > > > > zpool offline tank /dev/da5 > > shutting down, swapping from old disk to new disk > > booting > > zpool replace tank /dev/da5 > > > > This worked fine. > > > > This time the failing disk was da3, and I tried the same thing: > > zpool offline tank /dev/da3 > > zpool status showed da3 offline. > > shut down, swapped old disk to new disk. > > > > When I booted again, I got: > > Code: > > > > NAME STATE READ WRITE CKSUM > > tank UNAVAIL 0 0 0 insufficient replicas > > raidz1 UNAVAIL 0 0 0 corrupted data > > da0 ONLINE 0 0 0 > > da1 ONLINE 0 0 0 > > da2 ONLINE 0 0 0 > > da3 ONLINE 0 0 0 > > da4 ONLINE 0 0 0 > > da5 ONLINE 0 0 0 > > da6 ONLINE 0 0 0 > > da7 ONLINE 0 0 0 > > > > I switched back to the old disk and booted again and then I could access > my > > data again, and da3 still showed as offline. I tried 'zpool online tank > > /dev/da3' and after a few seconds resilvering completed and all 8 drives > are > > back online again, but with the 'dying' disk as da3 still. > > > > I tried shutting down WITHOUT first offlining /dev/da3, and swapping the > > disks, and when I booted I again got 'insufficient replicas'. > > > > Why am I getting this error, and how come it worked ok the last time I > > replaced a disk? And more importantly, how do I switch to my new > replacement > > disk without losing data? > > Can you please provide uname -a output? Thanks. > > -- > | Jeremy Chadwick jdc@parodius.com | > | Parodius Networking http://www.parodius.com/ | > | UNIX Systems Administrator Mountain View, CA, USA | > | Making life hard for others since 1977. PGP: 4BD6C0CB | > >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?AANLkTikq4RAbRZfXNcm1rI4dDmGzQUYI1QfmS3-yEVEg>