[SOLVED] ReadyNAS iSCSI configuration question

H

hotwired007

Member
Sep 19, 2011
533
7
16
UK
i have a ReadyNAS 2100 with two iSCSI shares:

IMAGES (512GB) and IMAGES-TWO (512GB)

i have updated to the newest firmware available (.21)

each iSCSI volume is configured for multiple access and the IQNs for all my Proxmox servers have been added.

although i'm getting similar messages to this everytime i do i migration:

Code: 
/dev/sdb: read failed after 0 of 512 at 0: Input/output error
  /dev/sdb: read failed after 0 of 512 at 21474770944: Input/output error
  /dev/sdb: read failed after 0 of 512 at 21474828288: Input/output error
  /dev/sdb: read failed after 0 of 512 at 4096: Input/output error
  /dev/sdb: read failed after 0 of 2048 at 0: Input/output error
  /dev/sdb: read failed after 0 of 512 at 0: Input/output error
  /dev/sdb: read failed after 0 of 512 at 21474770944: Input/output error
  /dev/sdb: read failed after 0 of 512 at 21474828288: Input/output error
  /dev/sdb: read failed after 0 of 512 at 4096: Input/output error
  /dev/sdb: read failed after 0 of 2048 at 0: Input/output error

and in the syslog i get this message constantly:

Code: 
Sep  6 09:31:41 voyager kernel: sd 8:0:0:0: [sdc] CDB: Read(10): 28 00 02 7f ff f0 00 00 01 00
Sep  6 09:31:41 voyager kernel: sd 8:0:0:0: [sdc] Unhandled error code
Sep  6 09:31:41 voyager kernel: sd 8:0:0:0: [sdc] Result: hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK
Sep  6 09:31:41 voyager kernel: sd 8:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 00 00 00 00 01 00
Sep  6 09:31:41 voyager kernel: sd 8:0:0:0: [sdc] Unhandled error code
Sep  6 09:31:41 voyager kernel: sd 8:0:0:0: [sdc] Result: hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK
Sep  6 09:31:41 voyager kernel: sd 8:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 00 08 00 00 01 00
Sep  6 09:31:41 voyager kernel: sd 8:0:0:0: [sdc] Unhandled error code
Sep  6 09:31:41 voyager kernel: sd 8:0:0:0: [sdc] Result: hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK
Sep  6 09:31:41 voyager kernel: sd 8:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 00 00 00 00 04 00
Sep  6 09:31:41 voyager kernel: connection2:0: detected conn error (1020)
Sep  6 09:31:42 voyager iscsid: conn 0 login rejected: target error (03/01)
Sep  6 09:31:44 voyager kernel: connection2:0: detected conn error (1020)
Sep  6 09:31:45 voyager iscsid: conn 0 login rejected: target error (03/01)
Sep  6 09:31:47 voyager kernel: connection2:0: detected conn error (1020)
Sep  6 09:31:48 voyager iscsid: conn 0 login rejected: target error (03/01)
Sep  6 09:31:50 voyager kernel: connection2:0: detected conn error (1020)
Sep  6 09:31:51 voyager kernel: sd 8:0:0:0: [sdc] Unhandled error code
Sep  6 09:31:51 voyager kernel: sd 8:0:0:0: [sdc] Result: hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK
Sep  6 09:31:51 voyager kernel: sd 8:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 00 00 00 00 01 00
Sep  6 09:31:51 voyager kernel: sd 8:0:0:0: [sdc] Unhandled error code
Sep  6 09:31:51 voyager kernel: sd 8:0:0:0: [sdc] Result: hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK
Sep  6 09:31:51 voyager kernel: sd 8:0:0:0: [sdc] CDB: Read(10): 28 00 02 7f ff 80 00 00 01 00
Sep  6 09:31:51 voyager kernel: sd 8:0:0:0: [sdc] Unhandled error code
Sep  6 09:31:51 voyager kernel: sd 8:0:0:0: [sdc] Result: hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK
Sep  6 09:31:51 voyager kernel: sd 8:0:0:0: [sdc] CDB: Read(10): 28 00 02 7f ff f0 00 00 01 00
Sep  6 09:31:51 voyager kernel: sd 8:0:0:0: [sdc] Unhandled error code
Sep  6 09:31:51 voyager kernel: sd 8:0:0:0: [sdc] Result: hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK
Sep  6 09:31:51 voyager kernel: sd 8:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 00 00 00 00 01 00
Sep  6 09:31:51 voyager kernel: sd 8:0:0:0: [sdc] Unhandled error code
Sep  6 09:31:51 voyager kernel: sd 8:0:0:0: [sdc] Result: hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK
Sep  6 09:31:51 voyager kernel: sd 8:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 00 08 00 00 01 00
Sep  6 09:31:51 voyager kernel: sd 8:0:0:0: [sdc] Unhandled error code
Sep  6 09:31:51 voyager kernel: sd 8:0:0:0: [sdc] Result: hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK
Sep  6 09:31:51 voyager kernel: sd 8:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 00 00 00 00 04 00
Sep  6 09:31:51 voyager iscsid: conn 0 login rejected: target error (03/01)
Sep  6 09:31:53 voyager kernel: connection2:0: detected conn error (1020)
Sep  6 09:31:54 voyager iscsid: conn 0 login rejected: target error (03/01)
Sep  6 09:31:56 voyager kernel: connection2:0: detected conn error (1020)
Sep  6 09:31:57 voyager iscsid: conn 0 login rejected: target error (03/01)
Sep  6 09:31:59 voyager kernel: connection2:0: detected conn error (1020)
Sep  6 09:32:00 voyager iscsid: conn 0 login rejected: target error (03/01)
Sep  6 09:32:01 voyager kernel: sd 8:0:0:0: [sdc] Unhandled error code
Sep  6 09:32:01 voyager kernel: sd 8:0:0:0: [sdc] Result: hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK
Sep  6 09:32:01 voyager kernel: sd 8:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 00 00 00 00 01 00
Sep  6 09:32:01 voyager kernel: sd 8:0:0:0: [sdc] Unhandled error code
Sep  6 09:32:01 voyager kernel: sd 8:0:0:0: [sdc] Result: hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK
Sep  6 09:32:01 voyager kernel: sd 8:0:0:0: [sdc] CDB: Read(10): 28 00 02 7f ff 80 00 00 01 00

any suggestions? i have the same setup on my test cluster and everything is working fine and no errors (only one iSCSI though), although the system IS working and everything seems to be working fine - no failed backups or migrations - just error messages :S everything is running the newest versions available
 
Last edited:
Re: ReadyNAS iSCSI configuration question

i found that there are 2 issues here:

i ran ls -l /dev/disk/* to view all my iscsi connections:

lrwxrwxrwx 1 root root 9 Aug 24 18:53 ip-192.168.100.5:3260-iscsi-iqn.2011-07.PLUTO:test-lun-0 -> ../../sdc
lrwxrwxrwx 1 root root 9 Sep 6 05:50 ip-192.168.100.6:3260-iscsi-iqn.2012-03.ReadyNAS2:images-lun-0 -> ../../sdb
lrwxrwxrwx 1 root root 9 Sep 6 09:22 ip-192.168.100.6:3260-iscsi-iqn.2012-03.ReadyNAS2:images-two-lun-0 -> ../../sdd

sdc is a test iscsi connector that was on another NAS box that has now been deleted.

how can i remove/stop the iscsi connector?
 
Re: ReadyNAS iSCSI configuration question

Solved the issues.

System was trying to connect to an old iSCSI connection that had been deleted.

A reboot on the hosts made it go away :)
 
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