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

[Bart Van Assche]

On Wed, Sep 2, 2009 at 7:27 PM, Chris Worley <worleys at gmail.com> wrote:
>
> Then, the majority of messages were the pair:
>
> Sep  2 17:12:22 nameme kernel: [408676.552666] [0]: scst:
> __scst_init_cmd:3361:Too many pending commands (50) in session,
> returning BUSY to initiator "0x0002c903000260470002c90300026047"
> Sep  2 17:12:22 nameme kernel: [408676.552670] [0]: scst:
> scst_set_busy:366:Sending QUEUE_FULL status to initiator
> 0x0002c903000260470002c90300026047 (cmds count 79, queue_type 1,
> sess->init_phase 3)
>
> # grep -e "returning BUSY to initiator" /var/log/messages | wc -l
> 221834
> # grep -e "Sending QUEUE_FULL status to initiator" /var/log/messages | wc -l
> 167948
>
> Maybe the initiator has stopped due to its "busy" tracking... deciding
> the target cannot continue?
>
> Is the queue settable to larger than 50 outstanding commands?

Definitely. The details are explained in the document srpt/README.

Bart.