Frozen Tape

[abu_jaman]

Why the tape get frozen automatically? The netbackup tried automated backup last night but the backup failed due to frozen tape. The tape the backup is trying to written to, it was in forzen state. I did not make it forzen manually. Why the tape get frozen automatically?

[Stumpr2]

NetBackup will automatically freeze tapes that have errors. What kind of error? see this technote to find out.

DOCUMENTATION: How to troubleshoot frozen media on UNIX and Windows

http://support.veritas.com/docs/249632

[abu_jaman]

Hi experts,

Can you tell me whether my drive is defective or not? What this error log means.

ar 12 09:36:27 netbak ltid[11195]: [ID 933032 daemon.notice] Operator/EMM server has UP'ed drive HP.ULTRIUM3-SCSI.000 (device 0)Mar 12 09:40:09 netbak genunix: [ID 408822 kern.info] NOTICE: mpt1: fault detected in device; service still availableMar 12 09:40:09 netbak genunix: [ID 611667 kern.info] NOTICE: mpt1: Connected command timeout for Target 2Mar 12 09:40:09 netbak scsi: [ID 107833 kern.warning] WARNING: /pci@1f,700000/pci@0/scsi@2/st@2,0 (st2):Mar 12 09:40:09 netbak  SCSI transport failed: reason 'reset': giving upMar 12 09:43:25 netbak genunix: [ID 408822 kern.info] NOTICE: mpt1: fault detected in device; service still availableMar 12 09:43:25 netbak genunix: [ID 611667 kern.info] NOTICE: mpt1: Connected command timeout for Target 1Mar 12 09:43:25 netbak scsi: [ID 107833 kern.warning] WARNING: /pci@1f,700000/pci@0/scsi@2/st@1,0 (st0):Mar 12 09:43:25 netbak  SCSI transport failed: reason 'reset': giving upMar 12 09:46:41 netbak genunix: [ID 408822 kern.info] NOTICE: mpt1: fault detected in device; service still availableMar 12 09:46:41 netbak genunix: [ID 611667 kern.info] NOTICE: mpt1: Connected command timeout for Target 2Mar 12 09:46:41 netbak scsi: [ID 107833 kern.warning] WARNING: /pci@1f,700000/pci@0/scsi@2/st@2,0 (st2):Mar 12 09:46:41 netbak  SCSI transport failed: reason 'reset': giving upMar 12 09:49:57 netbak genunix: [ID 408822 kern.info] NOTICE: mpt1: fault detected in device; service still availableMar 12 09:49:57 netbak genunix: [ID 611667 kern.info] NOTICE: mpt1: Connected command timeout for Target 2Mar 12 09:49:57 netbak scsi: [ID 107833 kern.warning] WARNING: /pci@1f,700000/pci@0/scsi@2/st@1,0 (st0):Mar 12 09:49:57 netbak  SCSI transport failed: reason 'reset': giving upMar 12 09:52:28 netbak bpjava-msvc[12951]: [ID 427199 user.error] pam_dial_auth: terminal-device not specifiedby login, returning Error in underlying service module.

[bumj1]

If you are seeing multiple tapes become frozen over a period of time, your drive is probably bad.  If you have a library with a large number of frozen tapes your drive is probably bad.

If you have a standalone drive, try another tape, maybe a new one and see what happens.

[Stumpr2]

It's kind of hard to tell since you have been posting other threads concerning the tape drive and library assignments and mapping.

If you have incorrect mapped drives and SCSI resets are occurring on the wrong drives due to the bad configuration then you will be getting frozen tapes.