Messages in this thread | | | From | Guillaume Laurès <> | Subject | Re: PROBLEM: I/O scheduler problem with an 8 SATA disks raid 5 under heavy load ? | Date | Mon, 7 Jan 2008 21:22:57 +0100 |
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Well, I should have tried to answer my own question earlier... but there is still a problem.
A quick reading of Wikipedia later, I can tell the following. First, the anticipatory scheduler seems to be the worse choice when dealing with raid arrays. Now, a better choice in my case could be: - the CFQ scheduler for the array in the dom0; - and the NOOP scheduler for the VBDs in the domUs (seems already there by default btw)
However even with CFQ/NOOP I keep getting soft resets, only the sata_nv SATA ports, when under load. Any thoughs ?
Thanks to all who did not flame me on this one ...;-)
GoM
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