Performance/stability problems on PowerEdge 1950

Todd Lyons tlyons at ivenue.com
Tue Dec 19 10:54:08 CST 2006


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On Sun, Dec 17, 2006 at 08:21:08PM -0500, Douglas K. Fischer wrote:

>We've run into the same issues going from 2850s/6650s to 2950s. Running
>identical I/O loads perform more than an order of magnitude slower on
>the PERC5/i with SAS drives than PERC4 with SCSI drives. We've also

I always thought that it was a generally known fact that SCSI was best,
SATA second due to increased kernel load, and IDE the worst due to even
more kernel load.  Am I mistaken?  Are there devilish details that would
skew that generalization?
- -- 
Regards...		Todd
There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo.  Please use in that order. --Ed Howdershelt
Linux kernel 2.6.17-5mdv   1 user,  load average: 0.04, 0.08, 0.08
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