Messages in this thread | | | Date | Sun, 15 Aug 2004 12:11:50 +0300 | From | Lenar Lõhmus <> | Subject | Re: High CPU usage (up to server hang) under heavy I/O load |
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Tom Sightler wrote:
>On Fri, 2004-08-13 at 11:46, Sylvain COUTANT wrote: > > >During heavy writes to the drives attached to the PERC4/Di the system >becomes practically unusable. I've been wanting to try the 'megaraid2' >driver to see if this gets rid of the issue but I haven't been able to >try that yet. > > Can confirm same symptoms. But I can say that megaraid2 driver gets rid of this slowdown (during heavy writing). Only problem you can't use dellmgr or megamon with this driver it seems.
>We have some older systems with PERC2/DC cards which also use the >'megaraid' driver but they don't seem to experience this issue so I'm a >little suspicious that perhaps this driver simply doesn't work that well >with the newer megaraid-like controllers. > > It's PERC3/QC here.
Lenar
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