Date: Sat, 5 Dec 2009 19:25:56 -0700 From: Josh Carter <josh@multipart-mixed.com> To: Baldur Gislason <baldur@foo.is> Cc: freebsd-fs@freebsd.org Subject: Re: ZFS and reordering drives Message-ID: <CA100C20-5F93-4DCE-B576-474DAEC10747@multipart-mixed.com> In-Reply-To: <20091205191526.GR73250@gremlin.foo.is> References: <20091205170400.GM73250@gremlin.foo.is> <8555674.871260033069220.JavaMail.root@zimbra> <20091205184112.GP73250@gremlin.foo.is> <5da0588e0912051052p25fb743ele098ed9cb9de8fa0@mail.gmail.com> <20091205190641.GQ73250@gremlin.foo.is> <20091205191526.GR73250@gremlin.foo.is>
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FWIW, I've hit drive re-ordering problems several times on FreeBSD and = OpenSolaris (most of those due to me doing abusive things to the system = on purpose). In all cases a "zfs export [pool]" and "zfs import [pool]" = fixed the issue. I'm not sure exactly what ZFS is doing, but even across = reboots it appears to remember the configuration it used to see, and = insist on seeing it again. An export/import forces ZFS to forget what it = knows and look at what's on the drives. -Josh
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