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Re: Might have found a bug...

To: linux-xfs@xxxxxxxxxxx
Subject: Re: Might have found a bug...
From: Marc Jauvin <marc@xxxxxxxxxxxxxxxxx>
Date: Fri, 11 May 2001 13:18:40 -0400 (EDT)
Sender: owner-linux-xfs@xxxxxxxxxxx
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I understand, but the file should have been kept to its original state, no? I
had garbage all over the file after the reset...


Russell Cattelan wrote:

> Marc Jauvin wrote:

>> This message was sent from http://linux-xfs.sgi.com/projects/xfs/
>>
>> ----
>>
>> I installed XFS 1.0 for RedHat 7.1 and everything is great... until I did the
>> following:
>>
>> make modification to /etc/fstab, and IMMEDIATELY after saving the
>> modifications, I hit the reset button; when the system reboots, the
>> /etc/fstab is baddly corrupted and XFS does not fix it (end up using the
>> linux rescue disk to fix fstab manually\)
>>
>> I could reproduce the bug 2 times;

>> Any idea\?

> Yes don't do that.
> XFS uses delayed allocation / delayed write by default any data written
> immediacy before a crash probably won't be on
> disk, this is known behavior and isn't considered a bug, it's a trade off.
> Full sync mode on file systems is much safer and gives more likely hood of
> data integrity. caches gives much better
> performance but has the potential of losing cached data in the event of a
> crash.



--
marc.

3 out of 4 Americans make up 75% of the population.

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