Re: OT: silent data corruption reading from hard drives

[Roman Mamedov <rm@xxxxxxxxxx>]

On Thu, 02 Aug 2012 10:13:55 -0700
Jeff Johnson <jeff.johnson@xxxxxxxxxxxxxxxxx> 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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