gvinum raid5 performance seems slow
Greg 'groggy' Lehey
grog at FreeBSD.org
Mon Oct 30 01:33:17 UTC 2006
On Sunday, 29 October 2006 at 11:20:33 -0600, Steve Peterson wrote:
> Petri -- thanks for the idea.
It would be a good idea to quote it. Following this thread is almost
> I ran 2 dds in parallel; they took roughly twice as long in clock
> time, and had about 1/2 the throughput of the single dd. On my
> system it doesn't look like how the work is offered to the disk
> subsystem matters.
Try running rawio. That's what it's for.
[more trailing junk omitted. Why do you attach it?]
See complete headers for address and phone numbers.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 187 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-performance/attachments/20061030/c3a0dde9/attachment.pgp
More information about the freebsd-performance