From mboxrd@z Thu Jan 1 00:00:00 1970 From: NeilBrown Subject: Re: Extending an existing RAID (10) array Date: Mon, 8 Jul 2013 08:31:28 +1000 Message-ID: <20130708083128.41a7d0f6@notabene.brown> References: <987a86de2c602b7d79c3b926fdfced80@kruemel.org> <20130704092402.6f3800ec@notabene.brown> <51D90BAF.2060901@kruemel.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/HGFaGiVRCe3LhG5bQrY22dR"; protocol="application/pgp-signature" Return-path: In-Reply-To: <51D90BAF.2060901@kruemel.org> Sender: linux-raid-owner@vger.kernel.org To: Christian Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids --Sig_/HGFaGiVRCe3LhG5bQrY22dR Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Sun, 07 Jul 2013 08:33:19 +0200 Christian wrote: > On 04.07.2013 01:24, NeilBrown wrote: > > I think you are just talking about making the devices bigger without > > increasing the number of devices. > > This possible for RAID10 as long as it uses a 'near' or 'offset' layout= . It > > is not support for 'far' layout RAID10. >=20 > And as I just found out after some googling, growing RAID10 requires at=20 > least kernel 3.4rc. I have Ubuntu 12.04, which has kernel 3.2 >=20 > I'm now thinking I could use a parted magic live cd to grow the array,=20 > and then continue using it with my current linux distribution. Am I=20 > right in this assumption? Or have I missed something? >=20 > Thanks, Chris I don't know anything about parted magic live cds, but if you somehow boot into a nice new kernel that supports resizing RAID10 arrays, and resize the array and then go back to your old kernel, that should all work. NeilBrown --Sig_/HGFaGiVRCe3LhG5bQrY22dR Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iQIVAwUBUdnsQDnsnt1WYoG5AQIrPA//YZ9Alv5SR6e1v2zafkU90/0xnotnFSnQ 4iOX4HkN/mZ55j9B+gPSNko3qT8RJnHYfAdLl2j3Tq+d5h6oSm2ZjNIRVlW50Rri T1m/5mzGe43LY8vsh09p/hhuLwKc5CVBI1D3TNFuRTrNJrVenFEAb+oAj4MGJeYf Nak1tkdmJDP3fXo/5zyPm4mFIoUrTj6B49HWylJ5vhflJVT+19B3sETG9lwVnD9o dlMX4XT5xepTsfYlB9OEe6ehrmRuC+TAIJ7+41uRlpsIuJrHPzeN9VI7hN3idgPb t2Ba8f3Ogj+CAvbx+dlfpbEXMAvwqw0RhEARPBbpva/ln3oLwAAiGxXbZPKehnq0 7LKhBaA7Waci6hncWw0BcMU885hm902YwV5acGD9ivzyFi+hFkEWZqhLpdz54yFW mxEoJ2WHjKa6Wb9s4gmcWZgsFnNyNe6jd83NGlFHbzUWlGuUOUjGEdUcGgf3T7jv gUy74zeCEZbiCzmehDI9tyfvTl5Qm27wLg1kJKB0dtFDg74N3e6+B0gpL5Xj9Q9u 9U93wlMPfbhgE+zIYTxJRJo0/GJYm/QQtrR5PPvHk6YYkn//zz9oRO6orgtieBXw CY6wbuwKDscTJsI5yDvBO4TGGPkVB9bfPPo0T/46rKq80omIjQL3Pa0wvs2dhbvA Pa1fT4qZ06Y= =0zOy -----END PGP SIGNATURE----- --Sig_/HGFaGiVRCe3LhG5bQrY22dR--