From: Stan Hoeppner <stan@hardwarefreak.com>
To: "Mathias Burén" <mathias.buren@gmail.com>
Cc: Pol Hallen <raid1@fuckaround.org>, linux-raid@vger.kernel.org
Subject: Re: standard performance (write speed 20Mb/s)
Date: Wed, 20 Jul 2011 19:02:04 -0500 [thread overview]
Message-ID: <4E276C7C.9050103@hardwarefreak.com> (raw)
In-Reply-To: <CADNH=7HR7euaWem0tpLxJfRe0hYnRP5fwxJ6MC5vJeNf=T=PzA@mail.gmail.com>
On 7/20/2011 3:17 PM, Mathias Burén wrote:
> FWIW this is my RAID6 setup:
>
> $ 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 sectors
> Units = sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x0e5b3a7a
>
> Device Boot Start End Blocks Id System
> /dev/sdb1 2048 3907029167 1953513560 fd Linux raid
> autodetect
>
> Disk /dev/sdc: 2000.4 GB, 2000398934016 bytes
> 81 heads, 63 sectors/track, 765633 cylinders, total 3907029168 sectors
> Units = sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x4fc36d54
>
> Device Boot Start End Blocks Id System
> /dev/sdc1 2048 3907029167 1953513560 fd Linux raid
> autodetect
>
> Disk /dev/sdd: 2000.4 GB, 2000398934016 bytes
> 81 heads, 63 sectors/track, 765633 cylinders, total 3907029168 sectors
> Units = sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x9e716ecb
>
> Device Boot Start End Blocks Id System
> /dev/sdd1 2048 3907029167 1953513560 fd Linux raid
> autodetect
>
> Disk /dev/sde: 2000.4 GB, 2000398934016 bytes
> 81 heads, 63 sectors/track, 765633 cylinders, total 3907029168 sectors
> Units = sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x629ab77f
>
> Device Boot Start End Blocks Id System
> /dev/sde1 2048 3907029167 1953513560 fd Linux raid
> autodetect
>
> Disk /dev/sdf: 2000.4 GB, 2000398934016 bytes
> 123 heads, 18 sectors/track, 1764692 cylinders, total 3907029168 sectors
> Units = sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x3d454f20
>
> Device Boot Start End Blocks Id System
> /dev/sdf1 2048 3907029167 1953513560 fd Linux raid
> autodetect
>
> Disk /dev/sdg: 2000.4 GB, 2000398934016 bytes
> 81 heads, 63 sectors/track, 765633 cylinders, total 3907029168 sectors
> Units = sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x918fae9f
>
> Device Boot Start End Blocks Id System
> /dev/sdg1 2048 3907029167 1953513560 fd Linux raid
> autodetect
>
> Disk /dev/sdh: 2000.4 GB, 2000398934016 bytes
> 123 heads, 18 sectors/track, 1764692 cylinders, total 3907029168 sectors
> Units = sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x0ac81a1b
>
> Device Boot Start End Blocks Id System
> /dev/sdh1 2048 3907029167 1953513560 fd Linux raid
> autodetect
--
Stan
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next prev parent reply other threads:[~2011-07-21 0:02 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-18 12:03 standard performance (write speed 20Mb/s) Pol Hallen
2011-07-20 12:31 ` Stan Hoeppner
2011-07-20 20:02 ` Pol Hallen
[not found] ` <CADNH=7HR7euaWem0tpLxJfRe0hYnRP5fwxJ6MC5vJeNf=T=PzA@mail.gmail.com>
2011-07-21 0:02 ` Stan Hoeppner [this message]
2011-07-21 6:57 ` Mathias Burén
2011-07-21 8:55 ` Erwan Leroux
2011-07-21 15:06 ` Paweł Brodacki
2011-07-21 15:30 ` Erwan Leroux
2011-07-21 15:42 ` Erwan Leroux
2011-07-25 6:39 ` Paweł Brodacki
2011-07-21 17:57 ` standard performance (write speed 65Mb/s) Pol Hallen
2011-07-22 0:24 ` Stan Hoeppner
2011-07-22 11:34 ` Pol Hallen
-- strict thread matches above, loose matches on Subject: below --
2011-07-16 19:40 standard performance (write speed 20Mb/s) Pol Hallen
2011-07-17 4:26 ` Stan Hoeppner
2011-07-17 8:12 ` Pol Hallen
2011-07-17 12:11 ` John Robinson
2011-07-17 12:22 ` Iustin Pop
2011-07-17 12:51 ` John Robinson
2011-07-17 13:28 ` Iustin Pop
2011-07-18 9:04 ` John Robinson
2011-07-17 22:05 ` Stan Hoeppner
2011-07-27 5:42 ` Simon Matthews
2011-07-27 5:46 ` Roman Mamedov
2011-07-27 10:22 ` Stan Hoeppner
2011-07-27 10:26 ` John Robinson
2011-07-27 12:35 ` Joe Landman
2011-07-27 13:54 ` Stan Hoeppner
2011-07-17 23:03 ` Stan Hoeppner
2011-07-18 11:52 ` Pol Hallen
2011-07-17 16:48 ` Gordon Henderson
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