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Forum Discussion
PRO 6 poor read performance??
Just got a PRO 6, and started by installing a single Seagate ST31500341AS hard drive as XRAID2. (only spare disk I have at the moment, the real disks are on order). Performance settings are defaulte...
Ok, I now have 4 disks installed, which I added one at a time, waited for the volume expansion to complete, and then tested.
Bonnie (add-on disk diag) reported
1 disk - 59.7 MB/s
2 disks - 110 MB/s
3 disks - 219 MB/s
4 disks - 319 MB/s
So the disk throughput definitely goes up as you add more disks.
However, the iometer speed did not change on my Windows 7 machine. No matter how many drives were installed, I still see 55-60 MB/s of read performance, and 80-83 MB/s of write performance. So there is more investigation needed on that.
Bonnie (add-on disk diag) reported
1 disk - 59.7 MB/s
2 disks - 110 MB/s
3 disks - 219 MB/s
4 disks - 319 MB/s
So the disk throughput definitely goes up as you add more disks.
However, the iometer speed did not change on my Windows 7 machine. No matter how many drives were installed, I still see 55-60 MB/s of read performance, and 80-83 MB/s of write performance. So there is more investigation needed on that.
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