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From: Claudio Martins <ctpm@ist.utl.pt>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Dmitri Nikulin <dnikulin@gmail.com>, linux-btrfs@vger.kernel.org
Subject: Re: ssd optimised mode
Date: Mon, 23 Feb 2009 16:48:55 +0000	[thread overview]
Message-ID: <200902231648.55563.ctpm@ist.utl.pt> (raw)
In-Reply-To: <yq1wsbht8ci.fsf@sermon.lab.mkp.net>


On Monday 23 February 2009, Martin K. Petersen wrote:
> "Stuff" in this case is on the order of megabytes, not a few sectors
> like on spinning media.  With disk drives the risk of garbling unrela=
ted
> files is there but relatively small.  On SSDs it's much higher becaus=
e
> of the big blocking and the high latency erase/rewrite cycle.  In
> several cases I've lost system binaries that obviously weren't being
> written when I crashed the system.  In one case I even lost all of
> /sbin.
>

 What brand of SSDs are we talking about? What filesystems did you expe=
riment=20
with?

 Best regards

Cl=C3=A1udio

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  reply	other threads:[~2009-02-23 16:48 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-20 11:26 ssd optimised mode srimugunthan dhandapani
2009-02-20 16:01 ` Josef Bacik
2009-02-20 16:30   ` Chris Mason
2009-02-22  1:07     ` Dmitri Nikulin
2009-02-22 17:44       ` Steven Pratt
2009-02-23  1:06         ` Dmitri Nikulin
2009-02-23  1:22           ` Dongjun Shin
2009-02-23  2:33             ` Dmitri Nikulin
2009-02-23  3:15               ` Dongjun Shin
2009-02-23  3:17               ` Seth Huang
2009-02-23  4:01                 ` Dmitri Nikulin
2009-02-23  9:31                 ` Oliver Mattos
2009-02-23 16:40           ` Martin K. Petersen
2009-02-23 16:48             ` Claudio Martins [this message]
2009-02-23 17:23               ` Martin K. Petersen
2009-02-23 14:33       ` Chris Mason
2009-02-24  0:16         ` Dmitri Nikulin
2009-02-24  0:35           ` Dongjun Shin
2009-02-24  2:32           ` Martin K. Petersen
2009-02-24  3:53             ` Dmitri Nikulin
2009-02-24  4:09               ` Dongjun Shin
2009-02-24  4:10               ` Martin K. Petersen
2009-02-24  4:23                 ` Dmitri Nikulin
2009-02-23 22:19       ` Wes Felter

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