Re: new kernel connection timeouts

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On 02/02/2018 01:52 PM, Michael Di Domenico wrote:
> I recently updated my iscsi target box from redhat kernel
> 3.10.0-693.11.1.el7 to 3.10.0.693.17.1.el7.  now when i try to bring

Did you update to this kernel on both the target side and initiator side?

> up a few dozen iscsi clients at a time several will timeout.  i can't
> say where in the iscsi connection it's failing, but if i'm on the
> console of the iscsi client, i can rerun the connection script and the
> disks will appear.
> 
> it almost seems like the connections are queued up on the target and
> some don't get one because the queue is full.

Do you have the kernel logs from the target side or initiator side? Or,
can you take a wireshark trace during this time?

> 
> i know this isn't a fantastic bug report, but i haven't changed
> anything process wise in my environment i was able to boot 30-40
> machines at a time.  if i do that now, half or so will fail to see
> their disks and i have to reboot them a second time.  at which point
> they usually succeed.  either because others have finished or just
> luck that they were in the queue at the right time, i'm not sure.
> 
> the targetcli version is 2.1.fb46-1.el7
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