On Mon, 29 Aug 2005, Al Boldi wrote:
Holger Kiehl wrote:
Why do I only get 247 MB/s for writting and 227 MB/s for reading (from the
bonnie++ results) for a Raid0 over 8 disks? I was expecting to get nearly
three times those numbers if you take the numbers from the individual
disks.
What limit am I hitting here?
You may be hitting a 2.6 kernel bug, which has something to do with
readahead, ask Jens Axboe about it! (see "[git patches] IDE update" thread)
Sadly, 2.6.13 did not fix it either.
I did read that threat, but due to my limited understanding about kernel
code, don't see the relation to my problem.
But I am willing to try any patches to solve the problem.
Did you try 2.4.31?
No. Will give this a try if the problem is not found.
Thanks,
Holger
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