Re: 2.6.36 io bring the system to its knees

From: Christoph Hellwig
Date: Tue Nov 09 2010 - 15:20:58 EST


> I'm not sure if "data=writeback" (makes ext4 journaling similar to
> XFS) really fixes the problem

It doesn't. XFS does not expose stale data after a crash, while ext3/4
data=writeback does.

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