TSM + Oracle備份出現問題

備份錯誤如下

Starting backup at 26-JUL-08
current log archived
channel t1: starting archive log backupset
channel t1: specifying archive log(s) in backup set
input archive log thread=1 sequence=2129 recid=2119 stamp=661009059
input archive log thread=1 sequence=2130 recid=2120 stamp=661083896
input archive log thread=1 sequence=2131 recid=2121 stamp=661089734
input archive log thread=1 sequence=2132 recid=2122 stamp=661089734
channel t1: starting piece 1 at 26-JUL-08
released channel: t1
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on t1 channel at 07/26/2008

12:03:31
ORA-27192: skgfcls: sbtclose2 returned error - failed to close file
ORA-19511: Error received from media manager layer, error text:
   ANS1312E (RC12)   Server media mount not possible

Recovery Manager complete.

 

 

channel t2: starting piece 1 at 27-JUL-08
RMAN-03009: failure of backup command on t1 channel at 07/27/2008

02:07:39
ORA-19502: write error on file "incr_20080727_2815_1", blockno 486913

(blocksize=512)
ORA-27030: skgfwrt: sbtwrite2 returned error
ORA-19511: Error received from media manager layer, error text:
   ANS1312E (RC12)   Server media mount not possible
channel t1 disabled, job failed on it will be run on another channel
RMAN-03009: failure of backup command on t2 channel at 07/27/2008

02:11:27
ORA-19513: failed to identify sequential file
ORA-27206: requested file not found in media management catalog
ORA-19502: write error on file "incr_20080727_2816_1", blockno 49665

(blocksize=512)
ORA-27030: skgfwrt: sbtwrite2 returned error
ORA-19511: Error received from media manager layer, error text:
   ANS1312E (RC12)   Server media mount not possible
channel t2 disabled, job failed on it will be run on another channel
released channel: t1
released channel: t2
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================

RMAN-03009: failure of backup command on t2 channel at 07/27/2008

02:11:27
ORA-19513: failed to identify sequential file
ORA-27206: requested file not found in media management catalog
ORA-19502: write error on file "incr_20080727_2816_1", blockno 49665

(blocksize=512)
ORA-27030: skgfwrt: sbtwrite2 returned error
ORA-19511: Error received from media manager layer, error text:
   ANS1312E (RC12)   Server media mount not possible
RMAN-03009: failure of backup command on t1 channel at 07/27/2008

02:07:39
ORA-19502: write error on file "incr_20080727_2815_1", blockno 486913

(blocksize=512)
ORA-27030: skgfwrt: sbtwrite2 returned error
ORA-19511: Error received from media manager layer, error text:
   ANS1312E (RC12)   Server media mount not possible

Recovery Manager complete.

 

 

原因主要有如下:
第一：磁帶的空間不夠
第二：TSM備份軟體出現問題
第三：DRIVER 壞了或者不夠用的

這裡檢查Tivoli Storage Manager(簡稱TSM)伺服器日誌後，發現是TSM伺服器連線

磁帶不正常，重啟TSM伺服器後，則可以正常備份了。
（具體什麼原因導致TSM不能正常工作，可能是因為機房停電後，TSM伺服器則不能正常工作）