[Stgt-devel] ibmvio is slow
Tue Aug 14 21:21:38 CEST 2007
On Tue, Aug 14, 2007 at 03:07:02PM -0400, Ming Zhang wrote:
> try simple dd on a raw device (no fs) and see the performance. if write
> result is much better and u do not see read in iostat, u meet an align
> issue simply like what we had in IET list.
Does not help.
| Device: rrqm/s wrqm/s r/s w/s rsec/s wsec/s avgrq-sz avgqu-sz await svctm %util
| sdb 2493.21 3600.20 359.64 121.78 22810.79 30863.54 111.49 126.38 267.37 2.08 99.94
Where there's no emotion, there's no motive for violence.
-- Spock, "Dagger of the Mind", stardate 2715.1
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