tsm备份oralce出错。请帮助分析rman日志

rman错误信息：

RMAN> 2> 3> 4> 5> 6> 7> 8> 9>

using target database control file instead of recovery catalog

allocated channel: t1

channel t1: sid=1878 devtype=SBT_TAPE

channel t1: Data Protection for Oracle: version 5.4.1.0

Starting backup at 20-DEC-15

channel t1: starting incremental level 0 datafile backupset

channel t1: specifying datafile(s) in backupset

input datafile fno=00006 name=/datafs/dskyydb/cwdata01.dbf

input datafile fno=00009 name=/datafs/dskyydb/slogin01.dbf

input datafile fno=00005 name=/datafs/dskyydb/tivoliorts.dbf

input datafile fno=00004 name=/datafs/dskyydb/users01.dbf

channel t1: starting piece 1 at 20-DEC-15

released channel: t1

RMAN-00571: ===========================================================

RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============

RMAN-00571: ===========================================================

RMAN-03009: failure of backup command on t1 channel at 12/21/2015 05:00:25

ORA-19502: write error on file "db_DB_898988404_27720_1_20151220", blockno 455651841 (blocksize=512)

ORA-27030: skgfwrt: sbtwrite2 returned error

ORA-19511: Error received from media manager layer, error text:

   ANS1315W (RC15)   Unexpected retry request. The server found an error while writing the data.

RMAN>

rman-arch。log的报错

RMAN> 2> 3> 4> 5> 6> 7> 8>

allocated channel: a1

channel a1: sid=2505 devtype=SBT_TAPE

channel a1: Data Protection for Oracle: version 5.4.1.0

Starting backup at 19-DEC-15

current log archived

channel a1: starting archive log backupset

channel a1: specifying archive log(s) in backup set

input archive log thread=1 sequence=187638 recid=187638 stamp=898793198

input archive log thread=1 sequence=187639 recid=187639 stamp=898793914

input archive log thread=1 sequence=187640 recid=187640 stamp=898793958

input archive log thread=1 sequence=187641 recid=187641 stamp=898794066

input archive log thread=1 sequence=187642 recid=187642 stamp=898795112

input archive log thread=1 sequence=187643 recid=187643 stamp=898795133

input archive log thread=1 sequence=187644 recid=187644 stamp=898795179

input archive log thread=1 sequence=187645 recid=187645 stamp=898796315

input archive log thread=1 sequence=187646 recid=187646 stamp=898796355

input archive log thread=1 sequence=187647 recid=187647 stamp=898796666

channel a1: starting piece 1 at 19-DEC-15

released channel: a1

RMAN-00571: ===========================================================

RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============

RMAN-00571: ===========================================================

RMAN-03009: failure of backup command on a1 channel at 12/19/2015 20:00:23

ORA-19506: failed to create sequential file, name="arch_DSKYYDB_898891221_27711_1_20151219", parms=""

ORA-27028: skgfqcre: sbtbackup returned error

ORA-19511: Error received from media manager layer, error text:

   ANS1351E (RC51)   Session rejected: All server sessions are currently in use

RMAN>

dsmerror错误是：

12/19/15   00:55:46 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/19/15   00:55:46 ANS9201W LAN-free path failed.

12/19/15   00:55:52 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/19/15   00:55:52 ANS9201W LAN-free path failed.

12/19/15   01:13:30 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/19/15   01:13:30 ANS9201W LAN-free path failed.

12/19/15   01:13:30 ANS1351E Session rejected: All server sessions are currently in use

12/19/15   01:13:30 ANS1351E Session rejected: All server sessions are currently in use

12/19/15   01:13:30 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/19/15   01:13:30 ANS9201W LAN-free path failed.

12/19/15   01:13:40 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/19/15   01:13:40 ANS9201W LAN-free path failed.

12/19/15   01:13:43 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/19/15   01:13:43 ANS9201W LAN-free path failed.

12/19/15   01:13:43 ANS1351E Session rejected: All server sessions are currently in use

12/19/15   01:13:43 ANS1351E Session rejected: All server sessions are currently in use

12/19/15   01:13:43 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/19/15   01:13:43 ANS9201W LAN-free path failed.

12/19/15   04:00:14 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/19/15   04:00:14 ANS9201W LAN-free path failed.

12/19/15   04:00:14 ANS1351E Session rejected: All server sessions are currently in use

12/19/15   04:00:14 ANS1351E Session rejected: All server sessions are currently in use

12/19/15   04:00:22 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/19/15   04:00:22 ANS9201W LAN-free path failed.

12/19/15   04:00:22 ANS1351E Session rejected: All server sessions are currently in use

12/19/15   04:00:22 ANS1351E Session rejected: All server sessions are currently in use

12/19/15   04:00:25 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/19/15   04:00:25 ANS9201W LAN-free path failed.

12/19/15   04:00:25 ANS1351E Session rejected: All server sessions are currently in use

12/19/15   04:00:25 ANS1351E Session rejected: All server sessions are currently in use

12/19/15   08:00:21 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/19/15   08:00:21 ANS9201W LAN-free path failed.

12/19/15   08:00:21 ANS1351E Session rejected: All server sessions are currently in use

12/19/15   08:00:21 ANS1351E Session rejected: All server sessions are currently in use

12/19/15   12:00:18 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/19/15   12:00:18 ANS9201W LAN-free path failed.

12/19/15   12:00:18 ANS1351E Session rejected: All server sessions are currently in use

12/19/15   12:00:18 ANS1351E Session rejected: All server sessions are currently in use

12/19/15   16:00:20 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/19/15   16:00:20 ANS9201W LAN-free path failed.

12/19/15   16:00:20 ANS1351E Session rejected: All server sessions are currently in use

12/19/15   16:00:20 ANS1351E Session rejected: All server sessions are currently in use

12/19/15   20:00:22 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/19/15   20:00:22 ANS9201W LAN-free path failed.

12/19/15   20:00:22 ANS1351E Session rejected: All server sessions are currently in use

12/19/15   20:00:22 ANS1351E Session rejected: All server sessions are currently in use

12/19/15   23:00:07 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/19/15   23:00:07 ANS9201W LAN-free path failed.

12/20/15   01:00:48 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/20/15   01:00:48 ANS9201W LAN-free path failed.

12/20/15   01:00:56 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/20/15   01:00:56 ANS9201W LAN-free path failed.

12/20/15   01:19:44 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/20/15   01:19:44 ANS9201W LAN-free path failed.

12/20/15   01:19:44 ANS1351E Session rejected: All server sessions are currently in use

12/20/15   01:19:44 ANS1351E Session rejected: All server sessions are currently in use

12/20/15   01:19:44 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/20/15   01:19:44 ANS9201W LAN-free path failed.

12/20/15   01:19:51 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/20/15   01:19:51 ANS9201W LAN-free path failed.

12/20/15   01:19:54 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/20/15   01:19:54 ANS9201W LAN-free path failed.

12/20/15   01:19:54 ANS1351E Session rejected: All server sessions are currently in use

12/20/15   01:19:54 ANS1351E Session rejected: All server sessions are currently in use

12/20/15   01:19:54 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/20/15   01:19:54 ANS9201W LAN-free path failed.

12/20/15   04:00:17 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/20/15   04:00:17 ANS9201W LAN-free path failed.

12/20/15   04:00:17 ANS1351E Session rejected: All server sessions are currently in use

12/20/15   04:00:17 ANS1351E Session rejected: All server sessions are currently in use

12/20/15   04:00:20 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/20/15   04:00:20 ANS9201W LAN-free path failed.

12/20/15   04:00:20 ANS1351E Session rejected: All server sessions are currently in use

12/20/15   04:00:20 ANS1351E Session rejected: All server sessions are currently in use

12/20/15   04:00:21 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/20/15   04:00:21 ANS9201W LAN-free path failed.

12/20/15   04:00:21 ANS1351E Session rejected: All server sessions are currently in use

12/20/15   04:00:21 ANS1351E Session rejected: All server sessions are currently in use

12/20/15   08:00:23 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/20/15   08:00:23 ANS9201W LAN-free path failed.

12/20/15   08:00:23 ANS1351E Session rejected: All server sessions are currently in use

12/20/15   08:00:23 ANS1351E Session rejected: All server sessions are currently in use

12/20/15   12:00:16 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/20/15   12:00:16 ANS9201W LAN-free path failed.

12/20/15   12:00:16 ANS1351E Session rejected: All server sessions are currently in use

12/20/15   12:00:16 ANS1351E Session rejected: All server sessions are currently in use

12/20/15   16:00:14 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/20/15   16:00:14 ANS9201W LAN-free path failed.

12/20/15   16:00:14 ANS1351E Session rejected: All server sessions are currently in use

12/20/15   16:00:14 ANS1351E Session rejected: All server sessions are currently in use

12/20/15   20:00:17 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/20/15   20:00:17 ANS9201W LAN-free path failed.

12/20/15   20:00:17 ANS1351E Session rejected: All server sessions are currently in use

12/20/15   20:00:17 ANS1351E Session rejected: All server sessions are currently in use

12/20/15   23:00:08 ANS5216E Could not establish a TCP/IP connection with address '10.21.20.130:1500'. The TCP/IP error is 'A remote host refused an attempted connect operation.' (errno = 79).

12/20/15   23:00:08 ANS9201W LAN-free path failed.