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Oracle HSM (SAM-QFS): Move Cartridge to Drive Fails - Retries Exhausted (Doc ID 1946285.1)

Last updated on NOVEMBER 13, 2023

Applies to:

Oracle Hierarchical Storage Manager (HSM) and StorageTek QFS Software - Version 5.3 to 5.4 [Release 5.0]
Information in this document applies to any platform.

Symptoms


Numerous "Slot xxx not occupied" errors like this:

2014/09/28 11:27:49 5053 [2550:11] media_move.c:1881 detail Slot 575 not occupied

  

When it takes more than 10 minutes to mount a tape, SAMFS times out with these error messages:

2014/10/08 12:57:08 5177 [20851:16] transport.c:521 time Move cartridge: from 1066(asis) to 505: time 618 seconds
2014/10/08 12:57:08 5177 [20851:16] transport.c:521 time Move cartridge: from 1066(asis) to 505: time 0 seconds
2014/10/08 12:57:08 5207 [20851:16] transport.c:611 Error: Move cartridge from 1066(asis) to 505 fails - retries exhausted
2014/10/08 12:57:08 0000 [20851:16] dev_log.c:304 all cdb - a5 00 00 00 04 2a
2014/10/08 12:57:08 0000 [20851:16] dev_log.c:306 all 01 f9 00 00 00 00
2014/10/08 12:57:08 0000 [20851:16] dev_log.c:331 all sense - 00 00 00 00 00 00 00 00 00 00
2014/10/08 12:57:08 0000 [20851:16] dev_log.c:333 all 00 00 00 00 00 00 00 00 00 00


The tape does get mounted ( after 618 seconds )

2014/10/08 12:57:08 5179 [20851:16] transport.c:622 detail Move cartridge complete: from 1066(asis) to 505

 
However, SAMFS has no knowledge that the mount succeeded and continues to retry the failed mount request.

 
These are the associated SCSI errors, in the system messages file, after the SAMFS Mount request times out.  At this time, the tape is already in the drive:

Oct 8 12:57:08 ASM-ARCHIVE scsi: [ID 107833 kern.warning] WARNING: /pci@0,0/pci8086,3c06@2,2/pci1077,171@0/fp@0,0/medium-changer@w500104f000611831,0 (samst0):
Oct 8 12:57:08 ASM-ARCHIVE Error for Command: move media Error Level: Fatal
Oct 8 12:57:08 ASM-ARCHIVE scsi: [ID 107833 kern.notice] Requested Block: 0 Error Block: 0
Oct 8 12:57:08 ASM-ARCHIVE scsi: [ID 107833 kern.notice] Vendor: STK Serial Number:
Oct 8 12:57:08 ASM-ARCHIVE scsi: [ID 107833 kern.notice] Sense Key: Illegal_Request
Oct 8 12:57:08 ASM-ARCHIVE scsi: [ID 107833 kern.notice] ASC: 0x3b (medium source element empty), ASCQ: 0xe, FRU: 0x0
Oct 8 12:57:08 ASM-ARCHIVE scsi: [ID 107833 kern.warning] WARNING: /pci@0,0/pci8086,3c06@2,2/pci1077,171@0/fp@0,0/medium-changer@w500104f000611831,0 (samst0):
Oct 8 12:57:08 ASM-ARCHIVE Error for Command: move media Error Level: Fatal
Oct 8 12:57:08 ASM-ARCHIVE scsi: [ID 107833 kern.notice] Requested Block: 0 Error Block: 0
Oct 8 12:57:08 ASM-ARCHIVE scsi: [ID 107833 kern.notice] Vendor: STK Serial Number:
Oct 8 12:57:08 ASM-ARCHIVE scsi: [ID 107833 kern.notice] Sense Key: Illegal_Request
Oct 8 12:57:08 ASM-ARCHIVE scsi: [ID 107833 kern.notice] ASC: 0x3b (medium source element empty), ASCQ: 0xe, FRU: 0x0

  

Changes

No known SAMFS processing issue but there could be library performance issue that causes a mount request more than 10 minutes to complete

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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