DB2 TSM Backup fails with rc–50 (1)

2015-01-05-19.21.54.477532+000 e8484227a347 Level:error
pid:10027058 tid:1 Proc:db2vend
INSTANCE:LDAPDB2 node:000
Eduid:1
FUNCTION:DB2 UDB, Database Utilities, Sqluvint, probe:405
DATA #1: TSM RC, PD_DB2_TYPE_TSM_RC, 4 bytes
TSM rc=0xffffffce=-50--see TSM API Reference for meaning.

2015-01-05-19.21.54.478641+000 e8484575a862 Level:error
pid:13107252 tid:6762 PROC:DB2SYSC 0
INSTANCE:LDAPDB2 node:000
eduid:6762 eduname:db2logmgr (amdb) 0
FUNCTION:DB2 UDB, data protection services, Sqlpinitvendordevice, probe:1030
Message:zrc=0x86100025=-2045771739=sqlp_media_vendor_dev_err
"A vendor device reported a media error."
DATA #1: String, bytes
Init failed! Vendor RC Info:
DATA #2: Vendor RC, PD_DB2_TYPE_VENDOR_RC, 4 bytes
Vendor rc=0x0000000b=11--See DB2 API Guide for meaning.
DATA #3: Hexdump, bytes
0X07000001B02E8AD0:FFFF ffce 3430 3520 2d35 3000 0000 0000 .... 405-50 .....
0x07000001b02e8ae0:0000 0000 0000 0000 0000 0000 0000 0000 ........
0x07000001b02e8af0:0000 0000 0000 0000 0000 0000 0000 0000 ........

2015-01-05-19.21.54.478819+000 i8485438a425       level:error
PID     : 13107252             TID : 6762        PROC:DB2SYSC 0
instance:ldapdb2               node:000
eduid  : 6762                  eduname:db2logmgr (amdb) 0
FUNCTION: DB2 UDB, data protection services, Sqlpgarchivelogvendor, probe:1820
Retcode:zrc=0x86100025=-2045771739=sqlp_ Media_vendor_dev_err
          "a VENDOR device reported a media Error. "

2015-01-05-19.21.54.478930+000 e8485864a458       level:warning
PID     : 13107252             TID : 6762        PROC:DB2SYSC 0
instance:ldapdb2               node:000
eduid  : 6762                  eduname:db2logmgr (amdb) 0
FUNCTION: DB2 UDB, data protection services, Sqlpgarchivelogfile, probe:3150
message:adm1848w  Failed to archive log file "S0000607. LOG "to" TSM chain 0 "
          from"/home/ldapdb2/ldapdb2/node0000 /sql00001/sqlogdir/".

2015-01-05-19.21.54.479227+000 e8486323a559       level:error
PID     : 13107252             TID : 6762        PROC:DB2SYSC 0
instance:ldapdb2               node:000
eduid  : 6762                  eduname:db2logmgr (amdb) 0
FUNCTION: DB2 UDB, data protection services, Sqlpgarchivelogfile, probe:3160
Message:zrc=0x86100025=-2045771739=sqlp_media_ Vendor_dev_err
          "a VENDOR device reported a media error."
DATA #1: <preformatted>
Failed to archive log file S0000607. LOG to TSM chain 0 from/home/ldapdb2/ldapdb2/node0000/sql00001/sqlogdir/.

DB2 TSM Backup fails with rc–50 (1)