From mboxrd@z Thu Jan 1 00:00:00 1970 From: NeilBrown Subject: Re: Recovering an Array with inconsistent Superblocks Date: Tue, 7 Jan 2014 11:26:27 +1100 Message-ID: <20140107112627.32894e72@notabene.brown> References: <1388829881.16265.20.camel@vessel> <52C835C9.3050707@turmel.org> <1388873143.7641.20.camel@vessel> <52C8C433.5030403@turmel.org> <1388912870.3591.4.camel@vessel> <20140105205612.093276ef@notabene.brown> <1388918703.3591.20.camel@vessel> <52C9A399.5040802@turmel.org> <1389016846.25272.5.camel@vessel> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/2/kwNwfNh3ptHkFZYspPUvI"; protocol="application/pgp-signature" Return-path: In-Reply-To: <1389016846.25272.5.camel@vessel> Sender: linux-raid-owner@vger.kernel.org To: Fabian Knorr Cc: Phil Turmel , linux-raid@vger.kernel.org List-Id: linux-raid.ids --Sig_/2/kwNwfNh3ptHkFZYspPUvI Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Mon, 06 Jan 2014 15:00:46 +0100 Fabian Knorr wrote: > Many thanks to both of you, Phil and Neil! >=20 > Everything works flawlessly now and I had no data loss whatsoever. >=20 > > Long term, consider creating a new array with metadata type 1.x so you > > can use a bitmap. If you ever have an event like this, where one or > > more devices are disconnected then reconnected, it'll greatly shorten > > the recovery time. >=20 > But it's not possible to upgrade the metadata version of an existing > array, is it?=20 With mdadm-3.3 you can assemble an array with 0.90 metadata using mdadm --assemble --update=3Dmetadata /dev/mdWHATEVER /dev/..... and it will be converted to 1.0 metadata. NeilBrown --Sig_/2/kwNwfNh3ptHkFZYspPUvI Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIVAwUBUstJsznsnt1WYoG5AQJBqw/+PqWCi+UESMY10sgcLF/Uh8lh0dDirisl 6Zni3/LRM13KUkmttTIWjaggbt+Z9OymTUYbsr6y1wHEYnOzjZelOPdmXPj6Llq5 /u7O0VE0kbVmyZ3UAJVnYULsYfTkervF0mWmD8TN+g+X2KnCj3lzJ9o4q2rsWxnZ u+kwN/ERiW5cY6dOaimutYo2CrROvgypmZldOmA1UoFh9m5lzHGF59UrxL5ffwF3 IfT7OoL7kcpn3QyAXisYJRyCN2ZdPpPODHRGz5VsjVhEQkb5N6gCPoggazjYT5Sa tfjra4/PkyScr5LpemkOBOmyzPTerfqfJ9glmO0Qvn27dIHt2/ZfPwTlKzBPaZGL AcNKtV+Tt5ks5Osa+M/NUXKfVUq8za9UCeJ9z93RfUf0pEDlXZpe/IyltUkhlex2 Aa2bA7jv1X46TadHiZihxgVN1O3Z4jkNiQTLby5mFCNzCmt41cAPonxLtno/tMqs DrU1b9Vxt/YMiiPvBaSvjanGBV2vFrCBhrKq9NR0Z7W85dWGuKVeGDedTeY5FJub uHiGLacIHiKamcJ/lGYkoAswWNREy8MkK7b/Rr48lgnxiqAXbHeCBryo2zYOq/Sz 42bXXRyx6UJNZHV13ENvvEtMIXMWQxJrrTJsXW2T4qh6Tjjig8hh0lWhEzsYAIpR msvl8eXg/JY= =xiM3 -----END PGP SIGNATURE----- --Sig_/2/kwNwfNh3ptHkFZYspPUvI--