[ofa-general] WinOF_2_0_5/SRP initiator: slow reads and eventually hangs

Bart Van Assche bart.vanassche at gmail.com
Wed Sep 2 12:31:14 PDT 2009


On Tue, Sep 1, 2009 at 1:04 AM, Chris Worley<worleys at gmail.com> wrote:
> [ ... ]
> I've found a good kernel/scst mix to easily repeat this; I can get it
> to repeatedly hang w/ 8K block transfers running Ubuntu 9.04 w/ the
> 2.6.27-14-server kernel on _both_ target and initiator (i.e. no WinOF
> or OFED at all) and SCST rev 1062 on the target using one drive
> (performance is >600MB/s, >80K IOPS, on the 8KB block sizes being
> used).
> [ ... ]

Is there a special reason why you are using the 2.6.27-14-server
kernel ? AFAIK the latest Ubuntu 9.04 kernel is 2.6.28-15-server.

Bart.



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