Date: Tue, 27 Oct 2009 19:01:22 +1030 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: Artem Belevich <fbsdlist@src.cx> Cc: freebsd-stable@freebsd.org, Pete French <petefrench@ticketswitch.com> Subject: Re: whats best pracfive for ZFS on a whole disc these days ? Message-ID: <200910271902.19618.doconnor@gsoft.com.au> In-Reply-To: <ed91d4a80910262359p7acab9b9i5555b06fe0e46c6b@mail.gmail.com> References: <E1N2NcA-0004c4-CE@dilbert.ticketswitch.com> <200910271646.55227.doconnor@gsoft.com.au> <ed91d4a80910262359p7acab9b9i5555b06fe0e46c6b@mail.gmail.com>
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--nextPart6722106.tCnkSAlTxt Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Tue, 27 Oct 2009, Artem Belevich wrote: > > Unfortunately it appears ZFS doesn't search for GPT partitions so > > if you have them and swap the drives around you need to fix it up > > manually. > > When I used raw disk or GPT partitions, if disk order was changed the > pool would come up in 'DEGRADED' or UNAVAILABLE state. Even then all > that had to be done is export/import the pool. After the pool has > been re-imported it was back to ONLINE. Hmm OK, I thought it supposedly DTRT for raw disks but apparently not. > Now I'm using GPT labels (gpart -l) specifically because that avoids > issues with disk order or driver change. The pool I've built from GPT > labels has survived several migrations between different > controllers/drivers adX (ata) -> daX (SATA disks on mpt) -> adaX > (ahci) and multiple drive permutations without any manual > intervention at all. All that was done on 8-RC1/amd64. > I have also successfully imported the pool on OpenSolaris and back > again on FreeBSD. Damn, if I'd realised I'd have done that :) Do you know if it's possible to change? Thanks. =2D-=20 Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C --nextPart6722106.tCnkSAlTxt Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.12 (FreeBSD) iD8DBQBK5rAT5ZPcIHs/zowRArzWAJ9JJQa11ZmpnMvADAnF4jULcqkbzQCgqTyO k/1Xsd5EqfdMh8fcTqiZwEw= =jYHs -----END PGP SIGNATURE----- --nextPart6722106.tCnkSAlTxt--
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