Florin Andrei wrote:
Anyway, I did a test with the 2.6.18-93.el5.bz444759 kernel and there's
no difference: 65 minutes, 27 MB/s. Looks like it doesn't matter which
kernel I use, at least for this simple test with dd.
I wonder if a test closer to real life, such as reading/writing stuff
from/to MySQL, would produce different results. I guess there's only one
way to find out. ;-)
As a side note, the artificial benchmark reveals a huge difference
between Ext3 and XFS - the latter is much faster when writing. Might be
an artifact of some setting (after all, I do use a hardware RAID card).
But the difference is very real.
I was planning to use XFS anyway, so I'm not sure if I'll spend too much
time troubleshooting Ext3.
I don't think this is some kind of hidden effect of the MWI bug.
--
Florin Andrei
http://florin.myip.org/
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