From mboxrd@z Thu Jan 1 00:00:00 1970 From: NeilBrown Subject: Re: RAID-6 problem Date: Sun, 14 Oct 2012 06:31:02 +1100 Message-ID: <20121014063102.0755820b@notabene.brown> References: <20121013120328.GA23279@lazy.lzy> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/KOsF9EV.p7IkWNhSz/EaJDq"; protocol="application/pgp-signature" Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: Keith Keller Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids --Sig_/KOsF9EV.p7IkWNhSz/EaJDq Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Sat, 13 Oct 2012 11:45:10 -0700 Keith Keller wrote: > On 2012-10-13, Mikael Abrahamsson wrote: > > > > Re-creating a raid5/6 with --assume-clean is for me a disaster recovery= ,=20 > > something that should be performed when everything else fails. It's=20 > > extremely unfortunate that a lot of guides bring this in very early in = the=20 > > fault finding process. >=20 > Actually the RAID wiki suggests exactly this path, and suggests against > --force, contrary to the advice I've gotten here from Neil and others. >=20 > https://raid.wiki.kernel.org/index.php/RAID_Recovery#Restore_array_by_rec= reating_.28after_multiple_device_failure.29 >=20 > I could update this, but not being expert all it'd say is "use > --assemble --force; if it fails ask on the mailing list." :) Perhaps > that's actually the best advice to give, but if there's something more > useful to put on that page maybe someone with more expertise could > update it? >=20 > --keith >=20 You should definitely try '--assemble --force' before trying to recreate the array. There is no question about that. NeilBrown --Sig_/KOsF9EV.p7IkWNhSz/EaJDq Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (GNU/Linux) iQIVAwUBUHnBdjnsnt1WYoG5AQIEAw//dqWRD0wfcyyM2hG1sbkNh6QfdV1uJDr3 1Bp7X18W/sUGr5iJvKZ/adKcF5rdAvXkbwzp+QDj+c12ZKbYtVPRtCTOARuWPeOb WgQSGyblrIJEfjn9DC7RV295HrlM6G14e5vg+A2THHVJVKOix/UcpkiZ7fdAwHh1 H+8F6sPSioyfWp7JruHt1dkSfC8ffeXeV4iWF8G8xVFMjcFn3/MqyOYQpc2zpGh0 7oMLxVDqqY5e8wXDMGJ4n+Ju2PypEaKX+YvsMknmEax9PvU7L3w0p9r4ubXt8q1A C9VIAkfYV70ul/o0L3KRSl4hwo0567NUHKd8j0F75cQLFNhF4aJXc/lI7cH/jFxx H2ee1A2BPtWYlmTspbasyZNzVs6Zawf3P8ZebrMbneYOMIjhzFdjOz8tblSscv09 A95oWOMyLhy+T2Ag+m5UgEGNGLRJnaFkkMR58uGixeJPMYPzOUGaIiLa/d0yg1UJ SO0nh68Pg2C+xpHZOE640QQ57GDsIEIt6qffZSTp7bIKGazTo3Hi33t+ReH6b/zc 5pxKz1hbqqkxoL3ahhBPjpRQVyB9rCaqW4b4cJrxk93Ka/U2L4tpzfHHH5Rwd8gH ZemnzPYW3Squ6I4LnVtWLb6jWcYIqAD4BK6Jb/JA9DTKpQJnIqglJYyVc/gl4o6z ZrJEAaerehs= =wJnY -----END PGP SIGNATURE----- --Sig_/KOsF9EV.p7IkWNhSz/EaJDq--