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SubjectRe: RAID arrays not reconstructing in 2.6
On Sunday February 1, wrote:
> I saw this a couple of weeks ago in a 2.6.0-test kernel, and today in
> 2.6.2-rc3. When I have to hit the hard reset button on my desktop, whose
> root filesystem is RAID5 on /dev/md0, it comes back up cleanly - no
> reconstruction.

Cool, isn't it!

> Have we gotten a whole lot more enthusiastic about marking superblocks clean
> lately, or should I be worried? Obviously this always used to trigger
> reconstruction, until recently.

Yes. Lots more enthusiastic.
If there is no write activity for 20msec, we mark the superblock clean
and write it out, and are careful to write out a dirty superblock
before allowing another write to complete.


> --
> Daniel Jacobowitz
> MontaVista Software Debian GNU/Linux Developer
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