On Tue, Feb 6, 2018 at 1:49 PM, Michael Christie <mchristi@xxxxxxxxxx> wrote: > On 02/06/2018 07:25 AM, Michael Di Domenico wrote: >> On Mon, Feb 5, 2018 at 12:17 PM, Mike Christie <mchristi@xxxxxxxxxx> wrote: >>> 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? >> >> yes, both the client and server were updated to the same version >> >> >>>> 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 *might* be able to take a trace using tcpdump, but i will not be >> able to send you binary version of the output (protected network). is >> there something specific i can look for in the trace? or can you >> narrow a wireshark/tcpdump filter that would allow me to produce a >> short ascii file with the data you need? > > Could you just get me the target side kernel logs for when you run the > login test? nothing seemed to spit out in the logs this morning on the target side. i did just restart the cluster this morning, oddly enough i did not see the iscsi connection timeouts like i did the other day. everything went as normal. so maybe this is a non-issue or something transient on the network i could not detect > On the initiator side what command are you running? Is it just iscsiadm > .... --login? Could you give me the error output? yes just a login. no chap/etc settings are enabled -- To unsubscribe from this list: send the line "unsubscribe target-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html