[ofa-general] RE: [Scst-devel] SRP aggregate bandwidth decreasing as threads increase

[Bart Van Assche]

On Mon, May 18, 2009 at 9:41 PM, Chris Worley <worleys at gmail.com> wrote:
> On Mon, May 18, 2009 at 1:18 PM, Bart Van Assche
> <bart.vanassche at gmail.com> wrote:
>> Which I/O scheduler has been configured on the target, and with which
>> parameters ? As you probably know, you can find these parameters under
>> /sys/class/block/sda/queue/{*,*/*}. Are you using scst_disk or
>> scst_vdisk ?
>
> scst_vdisk.

The default number of kernel threads for scst_vdisk is five (kernel
module parameter num_threads). It might be interesting to experiment
with this parameter.

Bart.