Subject: Re: [vserver] Fixed -> Re: [vserver] Hard time with IO bottleneck
From: Jon Bendtsen <jbendtsen@laerdal.dk>
Date: Mon, 11 May 2009 11:07:33 +0200

On 08/05/2009, at 08.00, Markus Fischer wrote:

> Hi,
>
> it's been *quite* a while, however just for the record, I was able to
> fix this issue.
>
> The RAID controller, a "LSI Logic / Symbios Logic SAS1068 PCI-X
> Fusion-MPT SAS", had by default "write caching" disabled.
>
> Once enabled, the throughput jumped from 5MB/sec to 25MB/sec ....
>
> Here's the complete story of my tragedy:
> http://serverfault.com/questions/1276/severe-write-performance-problem

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JonB