Re: [osol-discuss] ZFS read performance terrible

2010-07-29 Thread Karol
> Update to my own post. Further tests more > consistently resulted in closer to 150MB/s. > > When I took one disk offline, it was just shy of > 100MB/s on the single disk. There is both an obvious > improvement with the mirror, and a trade-off (perhaps > the latter is controller related?). > >

[osol-discuss] ZFS read performance terrible

2010-07-28 Thread Karol
I appear to be getting between 2-9MB/s reads from individual disks in my zpool as shown in iostat -v I expect upwards of 100MBps per disk, or at least aggregate performance on par with the number of disks that I have. My configuration is as follows: Two Quad-core 5520 processors 48GB ECC/REG r