From: Emmanuel Florac <eflorac@intellique.com>
To: Michael Monnerie <michael.monnerie@is.it-management.at>
Cc: xfs@oss.sgi.com
Subject: Re: 4k sector drives
Date: Tue, 20 Jul 2010 22:39:05 +0200 [thread overview]
Message-ID: <20100720223905.296a780a@galadriel.home> (raw)
In-Reply-To: <201007202058.35141@zmi.at>
Le Tue, 20 Jul 2010 20:58:27 +0200 vous écriviez:
> I recently bought 2 new 4k sector drives (WD Caviar Green 2TB,
> WD20EARS), but Linux kernel 2.6.34.1 still says:
>
> # blockdev --getss /dev/sdd
> 512
>
> Shouldn't that be 4096? Where is the problem?
They come in emulation mode (like many SATA-II drives came in SATA-I
mode). You must set them to 4K blocks manually, for WD IIRC with a DOS
software. And you need a controller that supports 4K blocks, too
(probably anything older than a year won't).
--
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Emmanuel Florac | Direction technique
| Intellique
| <eflorac@intellique.com>
| +33 1 78 94 84 02
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next prev parent reply other threads:[~2010-07-20 20:36 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-20 18:58 4k sector drives Michael Monnerie
2010-07-20 20:30 ` Stan Hoeppner
2010-07-20 20:39 ` Emmanuel Florac [this message]
2010-07-20 21:34 ` Michael Monnerie
-- strict thread matches above, loose matches on Subject: below --
2010-07-21 7:53 Khelben Blackstaff
2010-07-21 9:14 ` Michael Monnerie
2010-07-21 10:33 ` Emmanuel Florac
2010-07-21 10:33 Khelben Blackstaff
2010-07-21 12:21 ` Michael Monnerie
2010-07-23 6:09 ` Michael Monnerie
2010-07-23 9:58 ` Christoph Hellwig
2010-07-23 10:42 ` Stan Hoeppner
2010-07-23 10:47 ` Christoph Hellwig
2010-07-23 12:41 ` Stan Hoeppner
2010-07-23 10:59 ` Michael Monnerie
2010-07-23 12:56 ` Emmanuel Florac
2010-07-23 13:10 ` Stan Hoeppner
2010-07-23 13:38 ` Matthias Schniedermeyer
2010-07-23 13:50 ` Emmanuel Florac
2010-07-23 14:13 ` Matthias Schniedermeyer
2010-07-24 8:47 ` Christoph Hellwig
2010-07-24 21:07 ` Eric Sandeen
2010-07-24 22:35 ` Michael Monnerie
2010-07-25 15:33 ` Christoph Hellwig
2010-07-23 9:19 Khelben Blackstaff
2010-07-23 15:02 Khelben Blackstaff
2010-07-23 15:28 ` Emmanuel Florac
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