From: Jens Axboe <axboe@suse.de>
To: "Edwards, Scott (GE Healthcare)" <J.Scott.Edwards@ge.com>
Cc: linux-scsi@vger.kernel.org
Subject: Re: Write cache on SATA drives?
Date: Fri, 1 Jul 2005 08:24:21 +0200 [thread overview]
Message-ID: <20050701062416.GQ2243@suse.de> (raw)
In-Reply-To: <C664ABFF405D6A458806C03AA2E0FF6B0560E7CC@MKEMLVEM01.e2k.ad.ge.com>
On Thu, Jun 30 2005, Edwards, Scott (GE Healthcare) wrote:
> Hello,
>
> Can anyone tell me if the write cache on SATA drives are handled such
> that journaling file systems work correctly? Back in the 2.6.5 -
> 2.6.7 time frame I had to disable the write cache to get ext3 to not
> trash things when the power was lost. With kernel 2.6.10 would I
> still need to disable the write cache?
With 2.6.12.x it should work, if you use ext3 or reiser and the
appropriate mount options (-o barrier=1 for ext3, barrier=flush for
reiserfs). 2.6.11 and earlier does not work on SATA.
--
Jens Axboe
next prev parent reply other threads:[~2005-07-01 6:22 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-30 21:39 Write cache on SATA drives? Edwards, Scott (GE Healthcare)
2005-07-01 6:24 ` Jens Axboe [this message]
2005-07-01 8:17 ` Matthias Andree
2005-07-01 8:33 ` Jens Axboe
2005-07-01 8:47 ` Matthias Andree
2005-07-01 8:54 ` Jens Axboe
2005-07-01 23:33 ` Matthias Andree
2005-07-02 7:07 ` Jens Axboe
2005-07-03 17:03 ` Matthias Andree
2005-07-04 6:39 ` Jens Axboe
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