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iSCSI errors

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mdsystems
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iSCSI errors

Post by mdsystems »

Since October of last year, my Nas4free setup, hosting a number of iSCSI targets has been pretty rock-solid. However, on 2 March I had an issue where one of my hypervisors failed when communicating with the iSCSI target service. The other was fine and continued to operate, even when communicating with the same target. Restarting the hypervisor in question has appeared to resolve matters and there have been no errors since.

I am after some pointers into how to diagnose the root cause (I imagine it is settings-related) so comments are most welcome. I can post config information that is relevant, but will not go overboard initially. The targets are configured to use zfs volumes and each of the zfs volumes are hosted on raidz2 vdevs. These themselves are hosted on HAST volumes. There appeared to be no problems reported by the zfs file system or HAST, so I presume the issue is with the iSCSI target service.

The relevant failures that I could find in the logs were first in the system log:

Code: Select all

Mar 2 12:02:44 	server0 	istgt[33269]: istgt_lu.c:3257:luworker: ***WARNING*** LU6: lu_disk_queue_start() aborted
Mar 2 12:02:57 	server0 	istgt[33269]: istgt_iscsi.c:4764:istgt_iscsi_transfer_out: ***ERROR*** iscsi_read_pdu() failed, r2t_sent=0
Mar 2 12:02:57 	server0 	istgt[33269]: istgt_iscsi.c:5865:worker: ***ERROR*** iscsi_task_transfer_out() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:02:57 	server0 	istgt[33269]: istgt_lu_disk.c:5356:istgt_lu_disk_queue_start: ***WARNING*** transfer abort CmdSN=65163820
Mar 2 12:02:57 	server0 	istgt[33269]: istgt_lu.c:3257:luworker: ***WARNING*** LU6: lu_disk_queue_start() aborted
Mar 2 12:02:58 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=9, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 12:03:12 	server0 	istgt[33269]: istgt_iscsi.c:4764:istgt_iscsi_transfer_out: ***ERROR*** iscsi_read_pdu() failed, r2t_sent=0
Mar 2 12:03:12 	server0 	istgt[33269]: istgt_iscsi.c:5865:worker: ***ERROR*** iscsi_task_transfer_out() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:03:12 	server0 	istgt[33269]: istgt_lu_disk.c:5356:istgt_lu_disk_queue_start: ***WARNING*** transfer abort CmdSN=65163841
Mar 2 12:03:12 	server0 	istgt[33269]: istgt_lu.c:3257:luworker: ***WARNING*** LU6: lu_disk_queue_start() aborted
Mar 2 12:03:13 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=10, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 12:03:31 	server0 	istgt[33269]: istgt_iscsi.c:1261:istgt_iscsi_write_pdu_internal: ***ERROR*** writev() failed (errno=32,iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 12:03:31 	server0 	istgt[33269]: istgt_iscsi.c:5414:sender: ***ERROR*** iscsi_write_pdu() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:03:31 	server0 	istgt[33269]: istgt_iscsi.c:1261:istgt_iscsi_write_pdu_internal: ***ERROR*** writev() failed (errno=32,iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 12:03:31 	server0 	istgt[33269]: istgt_iscsi.c:5414:sender: ***ERROR*** iscsi_write_pdu() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:03:31 	server0 	istgt[33269]: istgt_iscsi.c:1261:istgt_iscsi_write_pdu_internal: ***ERROR*** writev() failed (errno=32,iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 12:03:31 	server0 	istgt[33269]: istgt_iscsi.c:3924:istgt_iscsi_task_response: ***ERROR*** iscsi_write_pdu() failed
Mar 2 12:03:31 	server0 	istgt[33269]: istgt_iscsi.c:5392:sender: ***ERROR*** iscsi_task_response() CmdSN=65163870 failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:03:31 	server0 	istgt[33269]: istgt_iscsi.c:1261:istgt_iscsi_write_pdu_internal: ***ERROR*** writev() failed (errno=32,iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 12:03:31 	server0 	istgt[33269]: istgt_iscsi.c:3924:istgt_iscsi_task_response: ***ERROR*** iscsi_write_pdu() failed
Mar 2 12:03:31 	server0 	istgt[33269]: istgt_iscsi.c:5392:sender: ***ERROR*** iscsi_task_response() CmdSN=65163871 failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:03:33 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=11, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 12:03:54 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=12, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 12:03:55 	server0 	istgt[33269]: istgt_iscsi.c:4764:istgt_iscsi_transfer_out: ***ERROR*** iscsi_read_pdu() failed, r2t_sent=0
Mar 2 12:03:55 	server0 	istgt[33269]: istgt_iscsi.c:5865:worker: ***ERROR*** iscsi_task_transfer_out() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:03:55 	server0 	istgt[33269]: istgt_lu_disk.c:5356:istgt_lu_disk_queue_start: ***WARNING*** transfer abort CmdSN=65163914
Mar 2 12:03:55 	server0 	istgt[33269]: istgt_lu.c:3257:luworker: ***WARNING*** LU6: lu_disk_queue_start() aborted
Mar 2 12:04:10 	server0 	istgt[33269]: istgt_iscsi.c:4764:istgt_iscsi_transfer_out: ***ERROR*** iscsi_read_pdu() failed, r2t_sent=0
Mar 2 12:04:10 	server0 	istgt[33269]: istgt_iscsi.c:5865:worker: ***ERROR*** iscsi_task_transfer_out() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:04:10 	server0 	istgt[33269]: istgt_lu_disk.c:5356:istgt_lu_disk_queue_start: ***WARNING*** transfer abort CmdSN=65163947
Mar 2 12:04:10 	server0 	istgt[33269]: istgt_lu.c:3257:luworker: ***WARNING*** LU6: lu_disk_queue_start() aborted
Mar 2 12:04:13 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=13, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 12:07:22 	server0 	istgt[33269]: istgt_iscsi.c:4764:istgt_iscsi_transfer_out: ***ERROR*** iscsi_read_pdu() failed, r2t_sent=0
Mar 2 12:07:22 	server0 	istgt[33269]: istgt_iscsi.c:5865:worker: ***ERROR*** iscsi_task_transfer_out() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:07:22 	server0 	istgt[33269]: istgt_lu_disk.c:5356:istgt_lu_disk_queue_start: ***WARNING*** transfer abort CmdSN=65164623
Mar 2 12:07:22 	server0 	istgt[33269]: istgt_lu.c:3257:luworker: ***WARNING*** LU6: lu_disk_queue_start() aborted
Mar 2 12:07:25 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=14, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 12:07:43 	server0 	istgt[33269]: istgt_iscsi.c:4764:istgt_iscsi_transfer_out: ***ERROR*** iscsi_read_pdu() failed, r2t_sent=0
Mar 2 12:07:43 	server0 	istgt[33269]: istgt_iscsi.c:5865:worker: ***ERROR*** iscsi_task_transfer_out() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:07:43 	server0 	istgt[33269]: istgt_lu_disk.c:5356:istgt_lu_disk_queue_start: ***WARNING*** transfer abort CmdSN=65164646
Mar 2 12:07:43 	server0 	istgt[33269]: istgt_lu.c:3257:luworker: ***WARNING*** LU6: lu_disk_queue_start() aborted
Mar 2 12:07:45 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=15, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 12:08:02 	server0 	istgt[33269]: istgt_iscsi.c:4764:istgt_iscsi_transfer_out: ***ERROR*** iscsi_read_pdu() failed, r2t_sent=0
Mar 2 12:08:02 	server0 	istgt[33269]: istgt_iscsi.c:5865:worker: ***ERROR*** iscsi_task_transfer_out() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:08:02 	server0 	istgt[33269]: istgt_lu_disk.c:5356:istgt_lu_disk_queue_start: ***WARNING*** transfer abort CmdSN=65164668
Mar 2 12:08:02 	server0 	istgt[33269]: istgt_lu.c:3257:luworker: ***WARNING*** LU6: lu_disk_queue_start() aborted
Mar 2 12:08:04 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=16, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 12:08:17 	server0 	istgt[33269]: istgt_iscsi.c:4764:istgt_iscsi_transfer_out: ***ERROR*** iscsi_read_pdu() failed, r2t_sent=0
Mar 2 12:08:17 	server0 	istgt[33269]: istgt_iscsi.c:5865:worker: ***ERROR*** iscsi_task_transfer_out() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:08:17 	server0 	istgt[33269]: istgt_lu_disk.c:5356:istgt_lu_disk_queue_start: ***WARNING*** transfer abort CmdSN=65164692
Mar 2 12:08:17 	server0 	istgt[33269]: istgt_lu.c:3257:luworker: ***WARNING*** LU6: lu_disk_queue_start() aborted
Mar 2 12:08:20 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=17, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 12:08:33 	server0 	istgt[33269]: istgt_iscsi.c:1261:istgt_iscsi_write_pdu_internal: ***ERROR*** writev() failed (errno=32,iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 12:08:33 	server0 	istgt[33269]: istgt_iscsi.c:5414:sender: ***ERROR*** iscsi_write_pdu() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:08:33 	server0 	istgt[33269]: istgt_iscsi.c:1261:istgt_iscsi_write_pdu_internal: ***ERROR*** writev() failed (errno=32,iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 12:08:33 	server0 	istgt[33269]: istgt_iscsi.c:5414:sender: ***ERROR*** iscsi_write_pdu() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:08:33 	server0 	istgt[33269]: istgt_iscsi.c:1261:istgt_iscsi_write_pdu_internal: ***ERROR*** writev() failed (errno=32,iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 12:08:33 	server0 	istgt[33269]: istgt_iscsi.c:5414:sender: ***ERROR*** iscsi_write_pdu() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:08:33 	server0 	istgt[33269]: istgt_iscsi.c:1261:istgt_iscsi_write_pdu_internal: ***ERROR*** writev() failed (errno=32,iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 12:08:33 	server0 	istgt[33269]: istgt_iscsi.c:3924:istgt_iscsi_task_response: ***ERROR*** iscsi_write_pdu() failed
Mar 2 12:08:33 	server0 	istgt[33269]: istgt_iscsi.c:5392:sender: ***ERROR*** iscsi_task_response() CmdSN=65164713 failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:08:36 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=18, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 12:08:50 	server0 	istgt[33269]: istgt_iscsi.c: 766:istgt_iscsi_read_pdu: ***ERROR*** readv() failed (-1,errno=54,iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 12:08:50 	server0 	istgt[33269]: istgt_iscsi.c:5685:worker: ***ERROR*** conn->state = 1
Mar 2 12:08:50 	server0 	istgt[33269]: istgt_iscsi.c:5702:worker: ***ERROR*** iscsi_read_pdu() failed
Mar 2 12:08:50 	server0 	istgt[33269]: istgt_lu_disk.c:5356:istgt_lu_disk_queue_start: ***WARNING*** transfer abort CmdSN=65164739
Mar 2 12:08:50 	server0 	istgt[33269]: istgt_lu.c:3257:luworker: ***WARNING*** LU6: lu_disk_queue_start() aborted
Mar 2 12:08:53 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=19, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 12:10:35 	server0 	istgt[33269]: istgt_iscsi.c:1261:istgt_iscsi_write_pdu_internal: ***ERROR*** writev() failed (errno=32,iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 12:10:35 	server0 	istgt[33269]: istgt_iscsi.c:5414:sender: ***ERROR*** iscsi_write_pdu() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:10:35 	server0 	istgt[33269]: istgt_iscsi.c:1261:istgt_iscsi_write_pdu_internal: ***ERROR*** writev() failed (errno=32,iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 12:10:35 	server0 	istgt[33269]: istgt_iscsi.c:5414:sender: ***ERROR*** iscsi_write_pdu() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:10:35 	server0 	istgt[33269]: istgt_iscsi.c:1261:istgt_iscsi_write_pdu_internal: ***ERROR*** writev() failed (errno=32,iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 12:10:35 	server0 	istgt[33269]: istgt_iscsi.c:5414:sender: ***ERROR*** iscsi_write_pdu() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:10:35 	server0 	istgt[33269]: istgt_iscsi.c:1261:istgt_iscsi_write_pdu_internal: ***ERROR*** writev() failed (errno=32,iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 12:10:35 	server0 	istgt[33269]: istgt_iscsi.c:5414:sender: ***ERROR*** iscsi_write_pdu() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:10:35 	server0 	istgt[33269]: istgt_iscsi.c:1261:istgt_iscsi_write_pdu_internal: ***ERROR*** writev() failed (errno=32,iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 12:10:35 	server0 	istgt[33269]: istgt_iscsi.c:5414:sender: ***ERROR*** iscsi_write_pdu() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:10:35 	server0 	istgt[33269]: istgt_iscsi.c:1261:istgt_iscsi_write_pdu_internal: ***ERROR*** writev() failed (errno=32,iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 12:10:35 	server0 	istgt[33269]: istgt_iscsi.c:3924:istgt_iscsi_task_response: ***ERROR*** iscsi_write_pdu() failed
Mar 2 12:10:35 	server0 	istgt[33269]: istgt_iscsi.c:5392:sender: ***ERROR*** iscsi_task_response() CmdSN=65165069 failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:10:38 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=20, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 12:14:03 	server0 	istgt[33269]: istgt_iscsi.c:1261:istgt_iscsi_write_pdu_internal: ***ERROR*** writev() failed (errno=32,iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 12:14:03 	server0 	istgt[33269]: istgt_iscsi.c:5414:sender: ***ERROR*** iscsi_write_pdu() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:14:04 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=21, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 12:15:53 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=22, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 12:16:37 	server0 	istgt[33269]: istgt_iscsi.c: 674:istgt_iscsi_read_pdu: ***WARNING*** Connection reset by peer (iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 12:16:37 	server0 	istgt[33269]: istgt_iscsi.c:4764:istgt_iscsi_transfer_out: ***ERROR*** iscsi_read_pdu() failed, r2t_sent=0
Mar 2 12:16:37 	server0 	istgt[33269]: istgt_iscsi.c:5865:worker: ***ERROR*** iscsi_task_transfer_out() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 12:16:37 	server0 	istgt[33269]: istgt_lu_disk.c:5356:istgt_lu_disk_queue_start: ***WARNING*** transfer abort CmdSN=65166854
Mar 2 12:16:37 	server0 	istgt[33269]: istgt_lu.c:3257:luworker: ***WARNING*** LU6: lu_disk_queue_start() aborted
Mar 2 12:16:41 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=23, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 12:20:53 	server0 	istgt[33269]: istgt_iscsi.c:4764:istgt_iscsi_transfer_out: ***ERROR*** iscsi_read_pdu() failed, r2t_sent=0
and in the daemon log:

Code: Select all

Mar 2 16:28:12 	server0 	istgt[33269]: istgt_iscsi.c:1261:istgt_iscsi_write_pdu_internal: ***ERROR*** writev() failed (errno=32,iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 16:28:12 	server0 	istgt[33269]: istgt_iscsi.c:3924:istgt_iscsi_task_response: ***ERROR*** iscsi_write_pdu() failed
Mar 2 16:28:12 	server0 	istgt[33269]: istgt_iscsi.c:5392:sender: ***ERROR*** iscsi_task_response() CmdSN=65283834 failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 16:28:15 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=40, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 16:39:38 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=41, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 17:51:51 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=42, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 18:37:23 	server0 	istgt[33269]: istgt_iscsi.c:4764:istgt_iscsi_transfer_out: ***ERROR*** iscsi_read_pdu() failed, r2t_sent=0
Mar 2 18:37:23 	server0 	istgt[33269]: istgt_iscsi.c:5865:worker: ***ERROR*** iscsi_task_transfer_out() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 18:37:23 	server0 	istgt[33269]: CmdSN(65344960), OP=0x2a, ElapsedTime=9 cleared
Mar 2 18:37:23 	server0 	istgt[33269]: CmdSN(65344961), OP=0x2a, ElapsedTime=7 cleared
Mar 2 18:37:23 	server0 	istgt[33269]: CmdSN(65344959), OP=0x2a, ElapsedTime=13 aborted
Mar 2 18:37:23 	server0 	istgt[33269]: istgt_lu_disk.c:5356:istgt_lu_disk_queue_start: ***WARNING*** transfer abort CmdSN=65344959
Mar 2 18:37:23 	server0 	istgt[33269]: istgt_lu.c:3257:luworker: ***WARNING*** LU6: lu_disk_queue_start() aborted
Mar 2 18:37:23 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=43, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 18:37:45 	server0 	istgt[33269]: istgt_iscsi.c: 674:istgt_iscsi_read_pdu: ***WARNING*** Connection reset by peer (iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 18:37:45 	server0 	istgt[33269]: istgt_iscsi.c:4764:istgt_iscsi_transfer_out: ***ERROR*** iscsi_read_pdu() failed, r2t_sent=0
Mar 2 18:37:45 	server0 	istgt[33269]: istgt_iscsi.c:5865:worker: ***ERROR*** iscsi_task_transfer_out() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 18:37:45 	server0 	istgt[33269]: CmdSN(65345003), OP=0x2a, ElapsedTime=0 cleared
Mar 2 18:37:45 	server0 	istgt[33269]: CmdSN(65345002), OP=0x2a, ElapsedTime=0 aborted
Mar 2 18:37:45 	server0 	istgt[33269]: istgt_lu_disk.c:5356:istgt_lu_disk_queue_start: ***WARNING*** transfer abort CmdSN=65345002
Mar 2 18:37:45 	server0 	istgt[33269]: istgt_lu.c:3257:luworker: ***WARNING*** LU6: lu_disk_queue_start() aborted
Mar 2 18:37:49 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=44, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 18:40:13 	server0 	istgt[33269]: CmdSN(65345458), OP=0x2a, ElapsedTime=0 cleared
Mar 2 18:40:13 	server0 	istgt[33269]: CmdSN(65345459), OP=0x2a, ElapsedTime=0 cleared
Mar 2 18:40:16 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=45, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 18:40:34 	server0 	istgt[33269]: istgt_iscsi.c:1261:istgt_iscsi_write_pdu_internal: ***ERROR*** writev() failed (errno=32,iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 18:40:34 	server0 	istgt[33269]: istgt_iscsi.c:5414:sender: ***ERROR*** iscsi_write_pdu() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 18:40:34 	server0 	istgt[33269]: istgt_iscsi.c:1261:istgt_iscsi_write_pdu_internal: ***ERROR*** writev() failed (errno=32,iqn.2014-07.com.example:42e5fb84,time=0)
Mar 2 18:40:34 	server0 	istgt[33269]: istgt_iscsi.c:3924:istgt_iscsi_task_response: ***ERROR*** iscsi_write_pdu() failed
Mar 2 18:40:34 	server0 	istgt[33269]: istgt_iscsi.c:5392:sender: ***ERROR*** iscsi_task_response() CmdSN=65345467 failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 18:40:34 	server0 	istgt[33269]: CmdSN(65345468), OP=0x2a, ElapsedTime=13 cleared
Mar 2 18:40:34 	server0 	istgt[33269]: CmdSN(65345469), OP=0x2a, ElapsedTime=13 cleared
Mar 2 18:40:34 	server0 	istgt[33269]: CmdSN(65345470), OP=0x2a, ElapsedTime=0 cleared
Mar 2 18:40:34 	server0 	istgt[33269]: CmdSN(65345471), OP=0x2a, ElapsedTime=0 cleared
Mar 2 18:40:34 	server0 	istgt[33269]: CmdSN(65345498), OP=0x2a, ElapsedTime=0 cleared
Mar 2 18:40:35 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=46, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 18:41:55 	server0 	istgt[33269]: Login from iqn.2014-07.com.example:42e5fb84 (192.168.254.51) on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms LU6 (192.168.254.10:3260,1), ISID=23d020000, TSIH=47, CID=0, HeaderDigest=off, DataDigest=off
Mar 2 18:42:07 	server0 	istgt[33269]: istgt_iscsi.c:4764:istgt_iscsi_transfer_out: ***ERROR*** iscsi_read_pdu() failed, r2t_sent=0
Mar 2 18:42:07 	server0 	istgt[33269]: istgt_iscsi.c:5865:worker: ***ERROR*** iscsi_task_transfer_out() failed on iqn.1996-08.uk.co.xxxxxxxxx:tgt-mds-vms,t,0x0001(iqn.2014-07.com.example:42e5fb84,i,0x00023d020000)
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345701), OP=0x2a, ElapsedTime=25 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345702), OP=0x2a, ElapsedTime=25 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345723), OP=0x2a, ElapsedTime=12 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345724), OP=0x2a, ElapsedTime=12 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345725), OP=0x2a, ElapsedTime=12 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345726), OP=0x2a, ElapsedTime=12 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345727), OP=0x2a, ElapsedTime=12 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345728), OP=0x2a, ElapsedTime=12 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345729), OP=0x2a, ElapsedTime=12 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345730), OP=0x2a, ElapsedTime=12 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345731), OP=0x2a, ElapsedTime=9 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345732), OP=0x2a, ElapsedTime=9 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345733), OP=0x2a, ElapsedTime=9 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345734), OP=0x2a, ElapsedTime=9 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345735), OP=0x2a, ElapsedTime=9 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345736), OP=0x2a, ElapsedTime=9 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345737), OP=0x2a, ElapsedTime=9 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345738), OP=0x2a, ElapsedTime=9 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345739), OP=0x2a, ElapsedTime=9 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345740), OP=0x2a, ElapsedTime=9 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345741), OP=0x2a, ElapsedTime=9 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345742), OP=0x2a, ElapsedTime=8 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345743), OP=0x2a, ElapsedTime=7 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345744), OP=0x2a, ElapsedTime=7 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345745), OP=0x2a, ElapsedTime=5 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345746), OP=0x2a, ElapsedTime=5 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345747), OP=0x2a, ElapsedTime=5 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345748), OP=0x2a, ElapsedTime=5 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345749), OP=0x2a, ElapsedTime=5 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345750), OP=0x2a, ElapsedTime=5 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345751), OP=0x2a, ElapsedTime=5 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345752), OP=0x2a, ElapsedTime=5 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345753), OP=0x2a, ElapsedTime=5 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345754), OP=0x2a, ElapsedTime=5 cleared
Mar 2 18:42:07 	server0 	istgt[33269]: CmdSN(65345700), OP=0x2a, ElapsedTime=26 aborted
Mar 2 18:42:07 	server0 	istgt[33269]: istgt_lu_disk.c:5356:istgt_lu_disk_queue_start: ***WARNING*** transfer abort CmdSN=65345700
Mar 2 18:42:07 	server0 	istgt[33269]: istgt_lu.c:3257:luworker: ***WARNING*** LU6: lu_disk_queue_start() aborted
Mar 2 18:44:57 	server0 	istgt[33269]: ABORT_TASK
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27Alumen
NewUser
NewUser
Posts: 5
Joined: 08 Jun 2016 20:14
Status: Offline

Re: iSCSI errors

Post by 27Alumen »

Last time I've seem similar case on one of my system I ended up recreating the zvol. Not sure if it's possible for you. Do you have space to make a new zvol and test on the new target?
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