[Gllug] 3Ware SATA controllers

Tue May 3 19:35:35 UTC 2005

John Hearns wrote:

>Anyone else on GLLUG running 3Ware SATA RAID controllers
>under a 2.4 kernel?
>Specifically an  8506-4LP model, but any other 8000 series counts.
>
>I'm getting dog slow performance when doing multiple simultaneous writes
>to it (4 disks in RAID 5) via NFS mounts.
>System is running RH 7.3 - applications driven.
>
>I have done much tuning with sysctl and elvtune, and have tried a
>vanilla 2.4.30 kernel. Rapidly running out of hair to pull out.
>
>
>
>  
>
    We've got a 3Ware 8000 series PATA controller. I'm not sure I can 
help however as we might be suffering from the same problems Writing to 
our disks can slow the machine down to the crawl and you my have hit 
upon our problem. We're running 3 disks on RAID 5.

Peter Childs
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