Date: Fri, 07 Jun 2013 09:48:24 +0200 From: "Ronald Klop" <ronald-freebsd8@klop.yi.org> To: freebsd-fs@freebsd.org Subject: Re: zpool export/import on failover - The pool metadata is corrupted Message-ID: <op.wyataypr8527sy@ronaldradial.versatec.local> In-Reply-To: <D7F099CB-855F-43F8-ACB5-094B93201B4B@alumni.chalmers.se> References: <D7F099CB-855F-43F8-ACB5-094B93201B4B@alumni.chalmers.se>
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On Thu, 06 Jun 2013 21:24:34 +0200, mxb <mxb@alumni.chalmers.se> wrote: > > Hello list, > > I have two-head ZFS setup with external disk enclosure over SAS expander. > This is a failover setup with CARP and devd triggering spool > export/import. > One of two nodes is preferred master. > > Then master is rebooted, devd kicks in as of CARP becomes master and the > second node picks up ZFS-disks from external enclosure. > Then master comes back, CARP becomes master, devd kicks in and pool gets > exported from the second node and imported on the first one. > > However, I have experienced metadata corruption several times with this > setup. > Note, that ZIL(mirrored) resides on external enclosure. Only L2ARC is > both local and external - da1,da2, da13s2, da14s2 > > root@nfs2:/root # zpool import > pool: jbod > id: 17635654860276652744 > state: FAULTED > status: The pool metadata is corrupted. > action: The pool cannot be imported due to damaged devices or data. > see: http://illumos.org/msg/ZFS-8000-72 > config: > > jbod FAULTED corrupted data > raidz3-0 ONLINE > da3 ONLINE > da4 ONLINE > da5 ONLINE > da6 ONLINE > da7 ONLINE > da8 ONLINE > da9 ONLINE > da10 ONLINE > da11 ONLINE > da12 ONLINE > cache > da1 > da2 > da13s2 > da14s2 > logs > mirror-1 ONLINE > da13s1 ONLINE > da14s1 ONLINE > > Any ideas what is going on? > > //mxb I know the Oracle ZFS Appliance you can buy with clustering does a reboot of the node which should release the pool. The mechanism is called like this: http://en.wikipedia.org/wiki/STONITH Ronald.
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