From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roman Mamedov Subject: Re: [md PATCH 01/10] md: allow a reshape operation to be reversed. Date: Mon, 1 Oct 2012 16:15:54 +0600 Message-ID: <20121001161554.2445f3e5@natsu> References: <20120403054656.19495.36380.stgit@notabene.brown> <20120403055301.19495.37242.stgit@notabene.brown> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/If6asaDxF/Kw5.SvTwcNkXv"; protocol="application/pgp-signature" Return-path: In-Reply-To: <20120403055301.19495.37242.stgit@notabene.brown> Sender: linux-raid-owner@vger.kernel.org To: NeilBrown Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids --Sig_/If6asaDxF/Kw5.SvTwcNkXv Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Tue, 03 Apr 2012 15:53:01 +1000 NeilBrown wrote: > To reverse a partial reshape which changes the number of devices > you can stop the array and re-assemble with the raid-disks numbers > reversed and it will undo. Unfortunately this does not seem to work: # mdadm --assemble --raid-disks=3D5 --backup-file=3D/mnt/scratch/backup-fil= e /dev/md0 /dev/sdb1 /dev/sdc1 /dev/sde1 /dev/sdd1 /dev/sdf1 mdadm:option --raid-disks not valid in assemble mode --=20 With respect, Roman ~~~~~~~~~~~~~~~~~~~~~~~~~~~ "Stallman had a printer, with code he could not see. So he began to tinker, and set the software free." --Sig_/If6asaDxF/Kw5.SvTwcNkXv Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iEYEARECAAYFAlBpbVoACgkQTLKSvz+PZwhAfgCgkQjr4XOpyvdnmOj2oE/Wkfxl tyIAn2APH60M18wri+lMLvnTZIHG7yvV =Neq0 -----END PGP SIGNATURE----- --Sig_/If6asaDxF/Kw5.SvTwcNkXv--