From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roman Mamedov Subject: Re: Network-based RAID6 Date: Thu, 31 Mar 2011 11:16:13 +0600 Message-ID: <20110331111613.06079a0a@natsu> References: <20110330131157.49fd2521@natsu> <20110330144944.3c87185c@natsu> <4D933188.30003@hardwarefreak.com> <20110330235052.3a803d35@natsu> <4D94097A.3030909@hardwarefreak.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/Y0dC4J35+VPBE1feXLXnHS_"; protocol="application/pgp-signature" Return-path: In-Reply-To: <4D94097A.3030909@hardwarefreak.com> Sender: linux-raid-owner@vger.kernel.org To: Stan Hoeppner Cc: CoolCold , linux-raid@vger.kernel.org List-Id: linux-raid.ids --Sig_/Y0dC4J35+VPBE1feXLXnHS_ Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Wed, 30 Mar 2011 23:56:26 -0500 Stan Hoeppner wrote: > Roman Mamedov put forth on 3/30/2011 12:50 PM: > > So I guess a viable and interesting solution could be an mdadm stripe o= ver > > two or more DRBD mirrors, effectively providing RAID10. Although that's > > not quite what I am looking for (RAID5/6-levels of overhead and > > resilience). >=20 > The mdraid driver sits beneath DRBD. What you suggest above is impossibl= e. I thought DRBD presents just a regular kernel-level block device in /dev, a= nd seeing how one can create mdraid out of just any kind of block device, including those provided by AoE, iSCSI, LVM, dmcrypt or even 'loop', are you really sure this matters here?=20 --=20 With respect, Roman --Sig_/Y0dC4J35+VPBE1feXLXnHS_ Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iEYEARECAAYFAk2UDh0ACgkQTLKSvz+PZwiEcQCdFQPLrhWpOvk6v3b4UU4cncJ6 1ngAnj+5/N06EUeKtewRlx1+fHjYAcRp =YoIk -----END PGP SIGNATURE----- --Sig_/Y0dC4J35+VPBE1feXLXnHS_--