IBM x345 Dual 2.8Ghz Xeon poor performance

Chris Nicholls chris at
Tue Jun 2 11:02:25 UTC 2009

On Monday,  1 June 2009 at K:49:59 +0200, Wojciech Puchar wrote:
> >I recently aquired and IBM eServer x345, which is taking up to 12 hours
> >to build a kernel!
> sorry if it's stupod question but do you have softupdates enabled?
Yeah, enabled
> >I've spent quite a bit of spare time trawling archives
> >etc for any hints to the reason why.
> >
> >Initally I thought it was the disks causing the problem, but the general
> >usage of the machine and disk I/O is pretty snappy just seems to be CPU
> >intensive operations where things seem to lag.
> caches disabled?
Disk I/O seems fine, and i'm getting good rates when testing with dd
and iostat, gstat show what i'd expect. I Initally thought it was the
disks but that was due to issues with getting the RAID controller
working correctlly which was sovled with the use if the IBM RAID tools


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