Date: Thu, 12 Jul 2007 17:39:46 -0700 From: Steven Schlansker <stevenschlansker@calmail.berkeley.edu> To: freebsd-current@freebsd.org Subject: Re: Removing an accidentally incorrect vdev from a ZFS pool Message-ID: <4696C9D2.9070108@calmail.berkeley.edu> In-Reply-To: <20070713002611.GA86925@nowhere> References: <4696B0DF.8030909@berkeley.edu> <20070713002611.GA86925@nowhere>
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Craig Boston wrote: > On Thu, Jul 12, 2007 at 03:53:19PM -0700, Steven Schlansker wrote: >> I now need to remove this broken vdev from my array. I haven't added >> any data, so there shouldn't even be any data at all on it. However all >> the remove/delete options to zpool seem to exclusively work on mirrors >> and hot spares. I really need to get this vdev off the zfs - it's >> entirely useless. How can I do that? I've already taken out the >> accidental drive - I want to try to recover the old filesystem off of >> it. Lucky it wasn't too important, though it'd be nice to have. Now i >> have an array stuck permanently degraded. > > I don't think it's currently possible to remove a vdev from a pool > without destroying the pool and re-creating it. That being said, it may > be possible to salvage your situation. > > The first thing I would try would be > > zpool replace [pool] ad19 ad18 > > Once the resilver completes, your pool should magically get bigger, > though you may have to export/import the pool first (or reboot if you > can't unmount what's on it). > > If that fails, could you please post the output of 'zpool status' to the > list? > > Craig (Sorry about the duplicate Craig, meant to post that to the list.) Aha! Since I figured it was the wrong hard drive, I opened the case... and voila, my 400GB hard drive was actually installed and showing up incorrectly in dmesg. I replaced the pci interface, and now, a few resilvers and reboots later, everything is peachy. Thanks! Steven
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