I/O Errors due to keepalive timeouts with NVMf RDMA

Johannes Thumshirn jthumshirn at suse.de
Mon Jul 10 03:20:49 PDT 2017


On Mon, Jul 10, 2017 at 01:13:35PM +0300, Sagi Grimberg wrote:
> 
> >Tried up to 120 now, still broken.
> 
> Then something else is broken. 120 seconds is literally forever
> in IB world. can you please turn on pr_debug in
> nvmet_execute_keep_alive() and check that the target sees it
> in a timely manner?

OK, running a test now. I have a local test patch that cancels and
re-schedules the kato work on every mq_ops->complete() for testing as well
which I also like to check as a proof of my hypothesis and then I'll report
back.

Thanks,
	Johannes

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Johannes Thumshirn                                          Storage
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