From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stan Hoeppner Subject: Re: standard performance (write speed 20Mb/s) Date: Wed, 20 Jul 2011 19:02:04 -0500 Message-ID: <4E276C7C.9050103@hardwarefreak.com> References: <201107181403.49563.raid1@fuckaround.org> <4E26CAA7.8030201@hardwarefreak.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: =?UTF-8?B?TWF0aGlhcyBCdXLDqW4=?= Cc: Pol Hallen , linux-raid@vger.kernel.org List-Id: linux-raid.ids On 7/20/2011 3:17 PM, Mathias Bur=C3=A9n wrote: > FWIW this is my RAID6 setup: >=20 > $ sudo fdisk -l /dev/sd[b,c,d,e,f,g,h] > Password: Are these indeed advanced format drives? You didn't provide model#s or manufacturer product line. The only clue we have that they might be AF drives is the 2048 offset you created. Unless I simply missed it. > Disk /dev/sdb: 2000.4 GB, 2000398934016 bytes > 81 heads, 63 sectors/track, 765633 cylinders, total 3907029168 sector= s > Units =3D sectors of 1 * 512 =3D 512 bytes > Sector size (logical/physical): 512 bytes / 512 bytes > I/O size (minimum/optimal): 512 bytes / 512 bytes > Disk identifier: 0x0e5b3a7a >=20 > Device Boot Start End Blocks Id System > /dev/sdb1 2048 3907029167 1953513560 fd Linux raid > autodetect >=20 > Disk /dev/sdc: 2000.4 GB, 2000398934016 bytes > 81 heads, 63 sectors/track, 765633 cylinders, total 3907029168 sector= s > Units =3D sectors of 1 * 512 =3D 512 bytes > Sector size (logical/physical): 512 bytes / 512 bytes > I/O size (minimum/optimal): 512 bytes / 512 bytes > Disk identifier: 0x4fc36d54 >=20 > Device Boot Start End Blocks Id System > /dev/sdc1 2048 3907029167 1953513560 fd Linux raid > autodetect >=20 > Disk /dev/sdd: 2000.4 GB, 2000398934016 bytes > 81 heads, 63 sectors/track, 765633 cylinders, total 3907029168 sector= s > Units =3D sectors of 1 * 512 =3D 512 bytes > Sector size (logical/physical): 512 bytes / 512 bytes > I/O size (minimum/optimal): 512 bytes / 512 bytes > Disk identifier: 0x9e716ecb >=20 > Device Boot Start End Blocks Id System > /dev/sdd1 2048 3907029167 1953513560 fd Linux raid > autodetect >=20 > Disk /dev/sde: 2000.4 GB, 2000398934016 bytes > 81 heads, 63 sectors/track, 765633 cylinders, total 3907029168 sector= s > Units =3D sectors of 1 * 512 =3D 512 bytes > Sector size (logical/physical): 512 bytes / 512 bytes > I/O size (minimum/optimal): 512 bytes / 512 bytes > Disk identifier: 0x629ab77f >=20 > Device Boot Start End Blocks Id System > /dev/sde1 2048 3907029167 1953513560 fd Linux raid > autodetect >=20 > Disk /dev/sdf: 2000.4 GB, 2000398934016 bytes > 123 heads, 18 sectors/track, 1764692 cylinders, total 3907029168 sect= ors > Units =3D sectors of 1 * 512 =3D 512 bytes > Sector size (logical/physical): 512 bytes / 512 bytes > I/O size (minimum/optimal): 512 bytes / 512 bytes > Disk identifier: 0x3d454f20 >=20 > Device Boot Start End Blocks Id System > /dev/sdf1 2048 3907029167 1953513560 fd Linux raid > autodetect >=20 > Disk /dev/sdg: 2000.4 GB, 2000398934016 bytes > 81 heads, 63 sectors/track, 765633 cylinders, total 3907029168 sector= s > Units =3D sectors of 1 * 512 =3D 512 bytes > Sector size (logical/physical): 512 bytes / 512 bytes > I/O size (minimum/optimal): 512 bytes / 512 bytes > Disk identifier: 0x918fae9f >=20 > Device Boot Start End Blocks Id System > /dev/sdg1 2048 3907029167 1953513560 fd Linux raid > autodetect >=20 > Disk /dev/sdh: 2000.4 GB, 2000398934016 bytes > 123 heads, 18 sectors/track, 1764692 cylinders, total 3907029168 sect= ors > Units =3D sectors of 1 * 512 =3D 512 bytes > Sector size (logical/physical): 512 bytes / 512 bytes > I/O size (minimum/optimal): 512 bytes / 512 bytes > Disk identifier: 0x0ac81a1b >=20 > Device Boot Start End Blocks Id System > /dev/sdh1 2048 3907029167 1953513560 fd Linux raid > autodetect --=20 Stan -- To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html