** Description changed: Hi colleagues. I have some troubles with iscsiadm. iscsiadm sometimes creates LUN but does not show attached disk. My device is really exist. Login: - >sudo -s iscsiadm --mode node --portal 192.168.1.86 --targetname + >sudo -s iscsiadm --mode node --portal 192.168.1.86 --targetname iqn.2010-06.com.nutanix:vg-restore-99079f45-f62d-4df5-8955-d3f6ffa27879 --login 2>&1 - Logging in to [iface: default, target: iqn.2010-06.com.nutanix:vg-restore-99079f45-f62d-4df5-8955-d3f6ffa27879, portal: 192.168.1.86,3260] (multiple) - Login to [iface: default, target: iqn.2010-06.com.nutanix:vg-restore-99079f45-f62d-4df5-8955-d3f6ffa27879, portal: 192.168.1.86,3260] successful. + Logging in to [iface: default, target: iqn.2010-06.com.nutanix:vg-restore-99079f45-f62d-4df5-8955-d3f6ffa27879, portal: 192.168.1.86,3260] (multiple) + Login to [iface: default, target: iqn.2010-06.com.nutanix:vg-restore-99079f45-f62d-4df5-8955-d3f6ffa27879, portal: 192.168.1.86,3260] successful. Check result: - >sudo -s iscsiadm -m session -P 3 2>&1 - - Target: iqn.2010-06.com.nutanix:vg-backup-3943a3b9-3745-4dd7-ba0e-72f25b4a417b - Current Portal: 192.168.1.86:3260,1 - Persistent Portal: 192.168.1.86:3260,1 - ********** - Interface: - ********** - Iface Name: default - Iface Transport: tcp - Iface Initiatorname: iqn.1993-08.org.debian:01:5bb3c3d5f39 - Iface IPaddress: 192.168.0.43 - Iface HWaddress: <empty> - Iface Netdev: <empty> - SID: 10 - iSCSI Connection State: LOGGED IN - iSCSI Session State: LOGGED_IN - Internal iscsid Session State: NO CHANGE - ********* - Timeouts: - ********* - Recovery Timeout: 120 - Target Reset Timeout: 30 - LUN Reset Timeout: 30 - Abort Timeout: 15 - ***** - CHAP: - ***** - username: <empty> - password: ******** - username_in: <empty> - password_in: ******** - ************************ - Negotiated iSCSI params: - ************************ - HeaderDigest: None - DataDigest: None - MaxRecvDataSegmentLength: 262144 - MaxXmitDataSegmentLength: 1048576 - FirstBurstLength: 262144 - MaxBurstLength: 16776192 - ImmediateData: Yes - InitialR2T: Yes - MaxOutstandingR2T: 1 - ************************ - Attached SCSI devices: - ************************ - Host Number: 12 State: running - scsi12 Channel 00 Id 0 Lun: 0 - Attached scsi disk sdc State: running - Target: iqn.2010-06.com.nutanix:vg-restore-99079f45-f62d-4df5-8955-d3f6ffa27879 - Current Portal: 192.168.1.86:3260,1 - Persistent Portal: 192.168.1.86:3260,1 - ********** - Interface: - ********** - Iface Name: default - Iface Transport: tcp - Iface Initiatorname: iqn.1993-08.org.debian:01:5bb3c3d5f39 - Iface IPaddress: 192.168.0.43 - Iface HWaddress: <empty> - Iface Netdev: <empty> - SID: 40 - iSCSI Connection State: LOGGED IN - iSCSI Session State: LOGGED_IN - Internal iscsid Session State: NO CHANGE - ********* - Timeouts: - ********* - Recovery Timeout: 120 - Target Reset Timeout: 30 - LUN Reset Timeout: 30 - Abort Timeout: 15 - ***** - CHAP: - ***** - username: <empty> - password: ******** - username_in: <empty> - password_in: ******** - ************************ - Negotiated iSCSI params: - ************************ - HeaderDigest: None - DataDigest: None - MaxRecvDataSegmentLength: 262144 - MaxXmitDataSegmentLength: 1048576 - FirstBurstLength: 262144 - MaxBurstLength: 16776192 - ImmediateData: Yes - InitialR2T: Yes - MaxOutstandingR2T: 1 - ************************ - Attached SCSI devices: - ************************ - Host Number: 42 State: running - scsi42 Channel 00 Id 0 Lun: 0 - Target: iqn.2010-06.com.nutanix:vg-backup-2c392880-0708-4911-86ed-16dfd4ff47f6 - Current Portal: 192.168.1.86:3260,1 - Persistent Portal: 192.168.1.86:3260,1 - ********** - Interface: - ********** - Iface Name: default - Iface Transport: tcp - Iface Initiatorname: iqn.1993-08.org.debian:01:5bb3c3d5f39 - Iface IPaddress: 192.168.0.43 - Iface HWaddress: <empty> - Iface Netdev: <empty> - SID: 6 - iSCSI Connection State: LOGGED IN - iSCSI Session State: LOGGED_IN - Internal iscsid Session State: NO CHANGE - ********* - Timeouts: - ********* - Recovery Timeout: 120 - Target Reset Timeout: 30 - LUN Reset Timeout: 30 - Abort Timeout: 15 - ***** - CHAP: - ***** - username: <empty> - password: ******** - username_in: <empty> - password_in: ******** - ************************ - Negotiated iSCSI params: - ************************ - HeaderDigest: None - DataDigest: None - MaxRecvDataSegmentLength: 262144 - MaxXmitDataSegmentLength: 1048576 - FirstBurstLength: 262144 - MaxBurstLength: 16776192 - ImmediateData: Yes - InitialR2T: Yes - MaxOutstandingR2T: 1 - ************************ - Attached SCSI devices: - ************************ - Host Number: 8 State: running - scsi8 Channel 00 Id 0 Lun: 0 - Attached scsi disk sdb State: running - - + >sudo -s iscsiadm -m session -P 3 2>&1 + + Target: iqn.2010-06.com.nutanix:vg-backup-3943a3b9-3745-4dd7-ba0e-72f25b4a417b + Current Portal: 192.168.1.86:3260,1 + Persistent Portal: 192.168.1.86:3260,1 + ********** + Interface: + ********** + Iface Name: default + Iface Transport: tcp + Iface Initiatorname: iqn.1993-08.org.debian:01:5bb3c3d5f39 + Iface IPaddress: 192.168.0.43 + Iface HWaddress: <empty> + Iface Netdev: <empty> + SID: 10 + iSCSI Connection State: LOGGED IN + iSCSI Session State: LOGGED_IN + Internal iscsid Session State: NO CHANGE + ********* + Timeouts: + ********* + Recovery Timeout: 120 + Target Reset Timeout: 30 + LUN Reset Timeout: 30 + Abort Timeout: 15 + ***** + CHAP: + ***** + username: <empty> + password: ******** + username_in: <empty> + password_in: ******** + ************************ + Negotiated iSCSI params: + ************************ + HeaderDigest: None + DataDigest: None + MaxRecvDataSegmentLength: 262144 + MaxXmitDataSegmentLength: 1048576 + FirstBurstLength: 262144 + MaxBurstLength: 16776192 + ImmediateData: Yes + InitialR2T: Yes + MaxOutstandingR2T: 1 + ************************ + Attached SCSI devices: + ************************ + Host Number: 12 State: running + scsi12 Channel 00 Id 0 Lun: 0 + Attached scsi disk sdc State: running + Target: iqn.2010-06.com.nutanix:vg-restore-99079f45-f62d-4df5-8955-d3f6ffa27879 + Current Portal: 192.168.1.86:3260,1 + Persistent Portal: 192.168.1.86:3260,1 + ********** + Interface: + ********** + Iface Name: default + Iface Transport: tcp + Iface Initiatorname: iqn.1993-08.org.debian:01:5bb3c3d5f39 + Iface IPaddress: 192.168.0.43 + Iface HWaddress: <empty> + Iface Netdev: <empty> + SID: 40 + iSCSI Connection State: LOGGED IN + iSCSI Session State: LOGGED_IN + Internal iscsid Session State: NO CHANGE + ********* + Timeouts: + ********* + Recovery Timeout: 120 + Target Reset Timeout: 30 + LUN Reset Timeout: 30 + Abort Timeout: 15 + ***** + CHAP: + ***** + username: <empty> + password: ******** + username_in: <empty> + password_in: ******** + ************************ + Negotiated iSCSI params: + ************************ + HeaderDigest: None + DataDigest: None + MaxRecvDataSegmentLength: 262144 + MaxXmitDataSegmentLength: 1048576 + FirstBurstLength: 262144 + MaxBurstLength: 16776192 + ImmediateData: Yes + InitialR2T: Yes + MaxOutstandingR2T: 1 + ************************ + Attached SCSI devices: + ************************ + Host Number: 42 State: running + scsi42 Channel 00 Id 0 Lun: 0 + Target: iqn.2010-06.com.nutanix:vg-backup-2c392880-0708-4911-86ed-16dfd4ff47f6 + Current Portal: 192.168.1.86:3260,1 + Persistent Portal: 192.168.1.86:3260,1 + ********** + Interface: + ********** + Iface Name: default + Iface Transport: tcp + Iface Initiatorname: iqn.1993-08.org.debian:01:5bb3c3d5f39 + Iface IPaddress: 192.168.0.43 + Iface HWaddress: <empty> + Iface Netdev: <empty> + SID: 6 + iSCSI Connection State: LOGGED IN + iSCSI Session State: LOGGED_IN + Internal iscsid Session State: NO CHANGE + ********* + Timeouts: + ********* + Recovery Timeout: 120 + Target Reset Timeout: 30 + LUN Reset Timeout: 30 + Abort Timeout: 15 + ***** + CHAP: + ***** + username: <empty> + password: ******** + username_in: <empty> + password_in: ******** + ************************ + Negotiated iSCSI params: + ************************ + HeaderDigest: None + DataDigest: None + MaxRecvDataSegmentLength: 262144 + MaxXmitDataSegmentLength: 1048576 + FirstBurstLength: 262144 + MaxBurstLength: 16776192 + ImmediateData: Yes + InitialR2T: Yes + MaxOutstandingR2T: 1 + ************************ + Attached SCSI devices: + ************************ + Host Number: 8 State: running + scsi8 Channel 00 Id 0 Lun: 0 + Attached scsi disk sdb State: running + There is no string after scsi42 Channel 00 Id 0 Lun: 0: - Attached scsi disk sdd State: running - + Attached scsi disk sdd State: running + But device is really exist: - > ll /dev/disk/by-path/ + > ll /dev/disk/by-path/ Result: - lrwxrwxrwx 1 root root 9 сер 22 15:18 ip-192.168.1.86:3260-iscsi-iqn.2010-06.com.nutanix:vg-backup-2c392880-0708-4911-86ed-16dfd4ff47f6-lun-0 -> ../../sdb - lrwxrwxrwx 1 root root 9 сер 23 11:52 ip-192.168.1.86:3260-iscsi-iqn.2010-06.com.nutanix:vg-backup-3943a3b9-3745-4dd7-ba0e-72f25b4a417b-lun-0 -> ../../sdc - lrwxrwxrwx 1 root root 9 сер 23 19:02 ip-192.168.1.86:3260-iscsi-iqn.2010-06.com.nutanix:vg-restore-99079f45-f62d-4df5-8955-d3f6ffa27879-lun-0 -> ../../sdd - lrwxrwxrwx 1 root root 9 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0 -> ../../sda - lrwxrwxrwx 1 root root 10 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0-part1 -> ../../sda1 - lrwxrwxrwx 1 root root 10 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0-part2 -> ../../sda2 - lrwxrwxrwx 1 root root 10 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0-part5 -> ../../sda5 - + lrwxrwxrwx 1 root root 9 сер 22 15:18 ip-192.168.1.86:3260-iscsi-iqn.2010-06.com.nutanix:vg-backup-2c392880-0708-4911-86ed-16dfd4ff47f6-lun-0 -> ../../sdb + lrwxrwxrwx 1 root root 9 сер 23 11:52 ip-192.168.1.86:3260-iscsi-iqn.2010-06.com.nutanix:vg-backup-3943a3b9-3745-4dd7-ba0e-72f25b4a417b-lun-0 -> ../../sdc + lrwxrwxrwx 1 root root 9 сер 23 19:02 ip-192.168.1.86:3260-iscsi-iqn.2010-06.com.nutanix:vg-restore-99079f45-f62d-4df5-8955-d3f6ffa27879-lun-0 -> ../../sdd + lrwxrwxrwx 1 root root 9 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0 -> ../../sda + lrwxrwxrwx 1 root root 10 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0-part1 -> ../../sda1 + lrwxrwxrwx 1 root root 10 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0-part2 -> ../../sda2 + lrwxrwxrwx 1 root root 10 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0-part5 -> ../../sda5 + As we can see my target/lun connected to sdd. If I make full re-login then all is ok: - > sudo iscsiadm -m node --logout - > ll /dev/disk/by-path/ - - lrwxrwxrwx 1 root root 9 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0 -> ../../sda - lrwxrwxrwx 1 root root 10 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0-part1 -> ../../sda1 - lrwxrwxrwx 1 root root 10 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0-part2 -> ../../sda2 - lrwxrwxrwx 1 root root 10 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0-part5 -> ../../sda5 - - > sudo -s iscsiadm --mode node --portal 192.168.1.86 --targetname iqn.2010-06.com.nutanix:vg-restore-99079f45-f62d-4df5-8955-d3f6ffa27879 --login 2>&1 - - Logging in to [iface: default, target: iqn.2010-06.com.nutanix:vg-restore-99079f45-f62d-4df5-8955-d3f6ffa27879, portal: 192.168.1.86,3260] (multiple) - Login to [iface: default, target: iqn.2010-06.com.nutanix:vg-restore-99079f45-f62d-4df5-8955-d3f6ffa27879, portal: 192.168.1.86,3260] successful. + > sudo iscsiadm -m node --logout + > ll /dev/disk/by-path/ + + lrwxrwxrwx 1 root root 9 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0 -> ../../sda + lrwxrwxrwx 1 root root 10 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0-part1 -> ../../sda1 + lrwxrwxrwx 1 root root 10 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0-part2 -> ../../sda2 + lrwxrwxrwx 1 root root 10 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0-part5 -> ../../sda5 + + > sudo -s iscsiadm --mode node --portal 192.168.1.86 --targetname + iqn.2010-06.com.nutanix:vg-restore-99079f45-f62d-4df5-8955-d3f6ffa27879 + --login 2>&1 + + Logging in to [iface: default, target: iqn.2010-06.com.nutanix:vg-restore-99079f45-f62d-4df5-8955-d3f6ffa27879, portal: 192.168.1.86,3260] (multiple) + Login to [iface: default, target: iqn.2010-06.com.nutanix:vg-restore-99079f45-f62d-4df5-8955-d3f6ffa27879, portal: 192.168.1.86,3260] successful. Result: - - > ll /dev/disk/by-path/ - - lrwxrwxrwx 1 root root 9 сер 24 14:38 ip-192.168.1.86:3260-iscsi-iqn.2010-06.com.nutanix:vg-restore-99079f45-f62d-4df5-8955-d3f6ffa27879-lun-0 -> ../../sdb - lrwxrwxrwx 1 root root 9 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0 -> ../../sda - lrwxrwxrwx 1 root root 10 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0-part1 -> ../../sda1 - lrwxrwxrwx 1 root root 10 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0-part2 -> ../../sda2 - lrwxrwxrwx 1 root root 10 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0-part5 -> ../../sda5 - - > sudo -s iscsiadm -m session -P 3 2>&1 - - Target: iqn.2010-06.com.nutanix:vg-restore-99079f45-f62d-4df5-8955-d3f6ffa27879 - Current Portal: 192.168.1.86:3260,1 - Persistent Portal: 192.168.1.86:3260,1 - ********** - Interface: - ********** - Iface Name: default - Iface Transport: tcp - Iface Initiatorname: iqn.1993-08.org.debian:01:5bb3c3d5f39 - Iface IPaddress: 192.168.0.43 - Iface HWaddress: <empty> - Iface Netdev: <empty> - SID: 41 - iSCSI Connection State: LOGGED IN - iSCSI Session State: LOGGED_IN - Internal iscsid Session State: NO CHANGE - ********* - Timeouts: - ********* - Recovery Timeout: 120 - Target Reset Timeout: 30 - LUN Reset Timeout: 30 - Abort Timeout: 15 - ***** - CHAP: - ***** - username: <empty> - password: ******** - username_in: <empty> - password_in: ******** - ************************ - Negotiated iSCSI params: - ************************ - HeaderDigest: None - DataDigest: None - MaxRecvDataSegmentLength: 262144 - MaxXmitDataSegmentLength: 1048576 - FirstBurstLength: 262144 - MaxBurstLength: 16776192 - ImmediateData: Yes - InitialR2T: Yes - MaxOutstandingR2T: 1 - ************************ - Attached SCSI devices: - ************************ - Host Number: 43 State: running - scsi43 Channel 00 Id 0 Lun: 0 - Attached scsi disk sdb State: running + + > ll /dev/disk/by-path/ + + lrwxrwxrwx 1 root root 9 сер 24 14:38 ip-192.168.1.86:3260-iscsi-iqn.2010-06.com.nutanix:vg-restore-99079f45-f62d-4df5-8955-d3f6ffa27879-lun-0 -> ../../sdb + lrwxrwxrwx 1 root root 9 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0 -> ../../sda + lrwxrwxrwx 1 root root 10 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0-part1 -> ../../sda1 + lrwxrwxrwx 1 root root 10 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0-part2 -> ../../sda2 + lrwxrwxrwx 1 root root 10 сер 22 14:17 pci-0000:00:10.0-scsi-0:0:0:0-part5 -> ../../sda5 + + > sudo -s iscsiadm -m session -P 3 2>&1 + + Target: iqn.2010-06.com.nutanix:vg-restore-99079f45-f62d-4df5-8955-d3f6ffa27879 + Current Portal: 192.168.1.86:3260,1 + Persistent Portal: 192.168.1.86:3260,1 + ********** + Interface: + ********** + Iface Name: default + Iface Transport: tcp + Iface Initiatorname: iqn.1993-08.org.debian:01:5bb3c3d5f39 + Iface IPaddress: 192.168.0.43 + Iface HWaddress: <empty> + Iface Netdev: <empty> + SID: 41 + iSCSI Connection State: LOGGED IN + iSCSI Session State: LOGGED_IN + Internal iscsid Session State: NO CHANGE + ********* + Timeouts: + ********* + Recovery Timeout: 120 + Target Reset Timeout: 30 + LUN Reset Timeout: 30 + Abort Timeout: 15 + ***** + CHAP: + ***** + username: <empty> + password: ******** + username_in: <empty> + password_in: ******** + ************************ + Negotiated iSCSI params: + ************************ + HeaderDigest: None + DataDigest: None + MaxRecvDataSegmentLength: 262144 + MaxXmitDataSegmentLength: 1048576 + FirstBurstLength: 262144 + MaxBurstLength: 16776192 + ImmediateData: Yes + InitialR2T: Yes + MaxOutstandingR2T: 1 + ************************ + Attached SCSI devices: + ************************ + Host Number: 43 State: running + scsi43 Channel 00 Id 0 Lun: 0 + Attached scsi disk sdb State: running After re-login the string with device name is exist: - Attached scsi disk sdb State: running - - Cross link of this on stackoverflow: - - https://stackoverflow.com/questions/45861219/iscsiadm-sometimes- - does-not-show-attached-device-iscsiadm-m-session-but-devic + Attached scsi disk sdb State: running
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1712811 Title: iscsiadm sometimes does not show attached device (iscsiadm -m session) but device is really exist and attached To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/open-iscsi/+bug/1712811/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
