[Stgt-devel] ibmvio is slow

[Ming Zhang]

On Tue, 2007-08-14 at 21:21 +0200, Bastian Blank wrote:
> 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
> 


ok. then that is not the cause.


> Bastian
> 
-- 
Ming Zhang


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