Filesystem Plugin restore fails with a 'ASC 11 ASCQ 00' and 'UNRECOVERED READ ERROR' error. (4037855)

Filesystem Plugin restore fails with a 'ASC 11 ASCQ 00' and 'UNRECOVERED READ ERROR' error.

Filesystem Plugin restore fails with the following messages and errors:

1] Job Message   2015/01/16 07:54:16   1961   Jobs   netvault_server   Starting job 1961 'sods rest test' (Phase 1 , Instance 1) for UID 0
2] Job Message   2015/01/16 07:54:16   1961   Data Plugin   nods   File System 7.9.9 restore
3] Information   2015/01/16 07:54:17   1961   Data Plugin   nods   Current host :  OS 'SOLARIS' System 'SunOS' Node 'sods' Release '5.10' Version 'Generic_141444-09' Machine 'sun4u'
4] Job Message   2015/01/16 08:01:08   1961   Media   netvault_server   (netvault_server: SL_00X4U78C4554_LL0 (IBM 3573-TL)) Media in 'DRIVE 1:netvault_server' assigned to job ready for data transfer
5] Information   2015/01/16 08:01:08   1961   Media   netvault_server   Using network socket for data transfer
6] Error   2015/01/16 08:13:49   1961   Media   netvault_server   netvault_server SL_1210295282 (IBM ULT3580-TD3): had media error

With sub text:
This will almost certainly be a hardware error either with the SCSI card. The problem is probably not due to drive order as there is no message that the library cannot move a tape to/from a slot.

SCSI       25       0  81349 CMD READ [ 08 01 00 00 01 00  ]
SCSI       17       0  81349 CMD SENSE KEY 'MEDIUM ERROR   ' [3] - ASC 11 ASCQ 00
SCSI       18       0  81349 CMD SENSE INFO 'UNRECOVERED READ ERROR'
TAPESCSI   79       0  81349 Unexpected error reading media
MEDREAD   305       0  81349 Device read data returned 257(0x101)

7] Error   2015/01/16 08:13:49   1961   Media   netvault_server   (netvault_server: SL_00X4U78C4554_LL0 (IBM 3573-TL)) Drive 'DRIVE 1:netvault_server' has completed its transfer

With sub text:
DEVMGR    273       0  81349 bHardwareError = TRUE

8] Error   2015/01/16 08:13:50   1961   Data Plugin   nods   Fatal error while processing item : 'Error reading from media'

With sub text:
SWIFTdata01.dbf

9] Warning   2015/01/16 08:13:50   1961   Data Plugin   nods   1 items and their contents  could not be restored

With sub text:
/data2/oradata/dbsSWIFT/SWIFTdata01.dbf : reading from media