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The POSIX talk is pointless

The POSIX talk is pointless

Posted Mar 17, 2009 17:04 UTC (Tue) by rahulsundaram (subscriber, #21946)
In reply to: The POSIX talk is pointless by sbergman27
Parent article: Garrett: ext4, application expectations and power management

I can't speak on behalf of Ext4 developers but no filesystem will preserve your data in all cases. The principle is to optimize for the common use cases and then add things to cover the corner cases as well to the extend possible. That is what has happened in Ext4 as well.

With the current patches, you should see the same behaviour in both filesystems. Feel free to test and report if you see any changes.

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The POSIX talk is pointless

Posted Mar 17, 2009 17:31 UTC (Tue) by sbergman27 (guest, #10767) [Link]

"""
...no filesystem will preserve your data in all cases...
"""

Ext3 with data=journal will come quite close to it, though. In fact, ext3 with data=ordered comes impressively close to it.

"""
With the current patches, you should see the same behaviour in both filesystems.
"""

I'll be running exactly this scenario when 2.6.30 is released to see what happens.


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