Jordan Russell <jr-list-2007@xxxxxx> writes:
> Iustin Pop wrote:
>> Maybe it's because md doesn't support barriers whereas the disks
>> supports them? In this case some filesystems, for example XFS, will work
>> faster on raid1 because they can't force the flush to disk using
>> barriers.
>
> It's an ext3 partition, so I guess that doesn't apply?
>
> I tried remounting /dev/sda2 with the "barrier=0" option (which I assume
> disables barriers, looking at the source), though, just to see if it
> would make any difference, but it didn't; the database build still took
> 31 minutes.
Compare the read ahead settings.
MfG
Goswin
-
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
