From: Hugo Mills <hugo@carfax.org.uk>
To: Waxhead <waxhead@online.no>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: Will BTRFS repair or restore data if corrupted?
Date: Thu, 26 Jan 2012 08:59:38 +0000 [thread overview]
Message-ID: <20120126085938.GC5531@carfax.org.uk> (raw)
In-Reply-To: <4F208FFD.4020508@online.no>
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On Thu, Jan 26, 2012 at 12:27:57AM +0100, Waxhead wrote:
> Hi,
>
> From what I have read BTRFS does replace a bad copy of data with a
> known good copy (if it has one).
Correct.
> Will BTRFS try to repair the corrupt data or will it simply silently
> restore the data without the user knowing that a file has been
> "fixed"?
No, it'll just return the good copy and report the failure in the
system logs. If you want to fix the corrupt data, you need to use
scrub, which will check everything and fix blocks with failed
checksums.
Hugo.
--
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next prev parent reply other threads:[~2012-01-26 8:59 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-25 23:27 Will BTRFS repair or restore data if corrupted? Waxhead
2012-01-26 7:19 ` Chester
2012-01-26 8:59 ` Hugo Mills [this message]
2012-01-26 9:33 ` Stefan Behrens
2012-01-26 19:16 ` Zoiled
2012-01-26 20:22 ` cwillu
2012-01-26 20:27 ` Zoiled
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