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From: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
To: Duncan <1i5t5.duncan@cox.net>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: Meaning of "no_csum" field when scrubbing with -R option
Date: Thu, 20 Feb 2014 18:51:10 +0800	[thread overview]
Message-ID: <5305DE1E.8080302@cn.fujitsu.com> (raw)
In-Reply-To: <pan$165e8$a9517bbb$99fb7bd6$7e251ef6@cox.net>

On 02/20/2014 06:31 PM, Duncan wrote:
> Sebastian Ochmann posted on Wed, 19 Feb 2014 13:58:17 +0100 as excerpted:
>
>> So my question is, why does scrub show a high (i.e. non-zero) value for
>> no_csum? I never enabled nodatasum or a similar option.
Did you enable nodatacow option? if  nodatacow option is enabled,
data checksums will be also disabled at the same time.

Thanks,
Wang
> I've no answer but have wondered that myself.  So hopefully you get an
> answer I can read too. =:^)
>


  reply	other threads:[~2014-02-20 10:52 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-19 12:58 Meaning of "no_csum" field when scrubbing with -R option Sebastian Ochmann
2014-02-20 10:31 ` Duncan
2014-02-20 10:51   ` Wang Shilong [this message]
2014-02-20 11:16     ` Duncan
2014-02-20 11:25     ` Meaning of \"no_csum\" " Sebastian Ochmann
2014-02-20 12:38       ` Wang Shilong
2014-02-21  2:30         ` Wang Shilong
2014-02-21  8:00           ` Duncan

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