[lustre-discuss] LustreError and client crashes

[Dilger, Andreas]

These errors on the OSS are just from rebooting the clients in the middle of data transfer.

Cheers, Andreas

On Jun 25, 2017, at 09:09, Riccardo Veraldi <Riccardo.Veraldi at cnaf.infn.it<mailto:Riccardo.Veraldi at cnaf.infn.it>> wrote:

Hello,
I have a high volume data transfer between my Lustre filesystems.
I upgraded to Lustre 2.9.0 on server side and Lustre 2.9.59 on client side (because of a corruption problem bug).
My clients running 2.9.59 hangs and I need to reboot them and at about the same time these are the kind of the errors I got server side
mostly errors like this one:

Jun 24 12:12:02 psananehffb02 kernel: [6111617.200388] LustreError: 20950:0:(ldlm_lib.c:3180:target_bulk_io()) @@@ bulk WRITE failed: rc -107 req at ffff882035941050 x1570865508218640/t0(0) o4->2f74d3d7-3a4b-6c70-28cd-24ce4d6a4c25 at 172.21.52.193@o2ib2:-1/-1<mailto:2f74d3d7-3a4b-6c70-28cd-24ce4d6a4c25 at 172.21.52.193@o2ib2:-1/-1> lens 608/448 e 0 to 0 dl 1498331528 ref 1 fl Interpret:H/0/0 rc 0/0 Jun 24 12:12:02 psananehffb02 kernel: [6111617.200486] LustreError: 20950:0:(ldlm_lib.c:3180:target_bulk_io()) Skipped 1 previous similar message


and in particular on one OSS like this:

Jun 24 21:02:46 psananehffb03 kernel: [6143466.329419] LustreError: 6211:0:(events.c:446:server_bulk_callback()) event type 5, status -103, desc ffff88200c7cf400 Jun 24 21:02:46 psananehffb03 kernel: [6143466.330851] LustreError: 6211:0:(events.c:446:server_bulk_callback()) event type 5, status -103, desc ffff88200cfc3400

Any hint on what may generate this would be very helpful. looks like these error are network connection issues but so far the IB switches and ib interfaces looks fine...
thank you very much

Rick





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