From: Roman Mamedov <rm@romanrm.ru>
To: Jeff Johnson <jeff.johnson@aeoncomputing.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: OT: silent data corruption reading from hard drives
Date: Thu, 2 Aug 2012 23:19:23 +0600 [thread overview]
Message-ID: <20120802231923.45b6f1fc@natsu> (raw)
In-Reply-To: <501AB553.2030003@aeoncomputing.com>
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On Thu, 02 Aug 2012 10:13:55 -0700
Jeff Johnson <jeff.johnson@aeoncomputing.com> wrote:
> The only ways I know of to currently detect/repair silent data
> corruption are via the use of T10-DIF on SAS drives with 520-byte
> sectors and embedded per block CRCs (bytes 513-520) or via a patented
> algorithm used in a commercial Linux software RAID product
> (www.streamscale.com).
Well, you can simply use BTRFS RAID1/RAID10 (RAID5/6 to come some time soon).
It has per block checksums and auto-healing from other drive(s) if data on
some drive turns out not to match the checksums anymore.
--
With respect,
Roman
~~~~~~~~~~~~~~~~~~~~~~~~~~~
"Stallman had a printer,
with code he could not see.
So he began to tinker,
and set the software free."
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next prev parent reply other threads:[~2012-08-02 17:19 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-01 12:02 OT: silent data corruption reading from hard drives matt
2012-08-01 13:03 ` Roman Mamedov
2012-08-02 0:56 ` Stan Hoeppner
2012-08-02 1:07 ` Roberto Spadim
2012-08-02 1:14 ` Roberto Spadim
2012-08-02 1:27 ` Adam Goryachev
2012-08-02 1:35 ` Roberto Spadim
2012-08-02 3:23 ` Stan Hoeppner
2012-08-02 13:02 ` Drew
2012-08-02 3:19 ` Roman Mamedov
2012-08-02 7:51 ` Stan Hoeppner
2012-08-02 8:06 ` Roman Mamedov
2012-08-02 9:29 ` Stan Hoeppner
2012-08-02 12:26 ` Iustin Pop
2012-08-02 16:59 ` listy
2012-08-02 17:04 ` Roberto Spadim
2012-08-02 17:13 ` Jeff Johnson
2012-08-02 17:19 ` Roman Mamedov [this message]
2012-08-02 17:25 ` Roberto Spadim
2012-08-02 17:22 ` Roberto Spadim
[not found] ` <501AB9D8.1030404@turmel.org>
2012-08-02 18:32 ` listy
2012-08-03 13:36 ` Phil Turmel
2012-08-15 21:55 ` Peter Grandi
2012-08-16 7:30 ` Oliver Schinagl
[not found] ` <CABYL=TqU6qvDK-CuFak42iVNj0v4OcvALXOnr=6XLM4HyXfGkw@mail.gmail.com>
2012-08-16 14:33 ` Roberto Spadim
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