ANBOB™

今天crosscheck backup发现报错，查了半天后来发现是因为配置了SBT_TAPE，而根本没有磁带的。

RMAN> crosscheck backupset;

using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=118 devtype=DISK
released channel: ORA_DISK_1
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of crosscheck command at 04/12/2011 13:07:31
ORA-19554: error allocating device, device type: SBT_TAPE, device name:
ORA-27211: Failed to load Media Management Library
Additional information: 2

RMAN> show all;

RMAN configuration parameters are:
CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # default
CONFIGURE BACKUP OPTIMIZATION OFF; # default
CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
CONFIGURE CONTROLFILE AUTOBACKUP OFF; # default
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO ‘%F’;
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE SBT_TAPE TO ‘%F’; # default
CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET PARALLELISM 1;
CONFIGURE DEVICE TYPE ‘SBT_TAPE’ BACKUP TYPE TO COMPRESSED BACKUPSET PARALLELISM 1;
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE SBT_TAPE TO 1; # default
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE SBT_TAPE TO 1; # default
CONFIGURE CHANNEL DEVICE TYPE DISK FORMAT   ‘%U’;
CONFIGURE MAXSETSIZE TO UNLIMITED; # default
CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
CONFIGURE ENCRYPTION ALGORITHM ‘AES128’; # default
CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default
CONFIGURE SNAPSHOT CONTROLFILE NAME TO ‘/u01/app/oracle/product/10.2.0/db_1/dbs/snapcf_orcl.f’; # default

虽然default的配置仍然是Disk，但可能因为配置了CONFIGURE DEVICE TYPE ‘SBT_TAPE’ BACKUP TYPE TO COMPRESSED BACKUPSET PARALLELISM 1;而加载时出现了问题。

RMAN> list backup;

List of Backup Sets
===================

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
——- —- — ———- ———– ———— —————
136     Full    3.64G      DISK        00:05:17     24-2月 -11
BP Key: 136   Status: AVAILABLE  Compressed: NO  Tag: TAG20110224T094233
Piece Name: /rmanbackup/ORCL_194_1_20110224.bak
List of Datafiles in backup set 136
File LV Type Ckp SCN    Ckp Time   Name
—- — —- ———- ———- —-
1       Full 43681744   24-2月 -11 /u01/app/oracle/oradata/ORCL/datafile/o1_mf_system_6cgckx95_.dbf
2       Full 43681744   24-2月 -11
3       Full 43681744   24-2月 -11 /u01/app/oracle/oradata/ORCL/datafile/o1_mf_sysaux_6cgckx9p_.dbf
4       Full 43681744   24-2月 -11 /u01/app/oracle/oradata/ORCL/datafile/o1_mf_users_6cgckxds_.dbf
5       Full 43681744   24-2月 -11 /u01/app/oracle/oradata/ORCL/datafile/o1_mf_example_6cgckxc7_.dbf
6       Full 43681744   24-2月 -11 /u01/app/oracle/oradata/ORCL/datafile/tt.dbf
7       Full 43681744   24-2月 -11
9       Full 43681744   24-2月 -11 /u01/app/oracle/oradata/ORCL/datafile/tt1.dbf
10      Full 43681744   24-2月 -11

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
——- —- — ———- ———– ———— —————
137     Full    76.00K     DISK        00:00:03     24-2月 -11
BP Key: 137   Status: AVAILABLE  Compressed: NO  Tag: TAG20110224T094233
Piece Name: /rmanbackup/ORCL_195_1_20110224.bak
List of Datafiles in backup set 137
File LV Type Ckp SCN    Ckp Time   Name
—- — —- ———- ———- —-
8       Full 43681965   24-2月 -11

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
——- —- — ———- ———– ———— —————
138     Full    6.83M      DISK        00:00:03     24-2月 -11
BP Key: 138   Status: EXPIRED  Compressed: NO  Tag: TAG20110224T163222
Piece Name: /home/oracle/c-1246063822-20110224-00.ctl
Control File Included: Ckp SCN: 43696327     Ckp time: 24-2月 -11
SPFILE Included: Modification time: 24-2月 -11

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
——- —- — ———- ———– ———— —————
139     Full    3.64G      DISK        00:05:06     24-2月 -11
BP Key: 139   Status: AVAILABLE  Compressed: NO  Tag: TAG20110224T163942
Piece Name: /rmanbackup/ORCL_%r_199_743963982_full_bak
List of Datafiles in backup set 139
File LV Type Ckp SCN    Ckp Time   Name
—- — —- ———- ———- —-
1       Full 43696725   24-2月 -11 /u01/app/oracle/oradata/ORCL/datafile/o1_mf_system_6cgckx95_.dbf
2       Full 43696725   24-2月 -11
3       Full 43696725   24-2月 -11 /u01/app/oracle/oradata/ORCL/datafile/o1_mf_sysaux_6cgckx9p_.dbf
4       Full 43696725   24-2月 -11 /u01/app/oracle/oradata/ORCL/datafile/o1_mf_users_6cgckxds_.dbf
5       Full 43696725   24-2月 -11 /u01/app/oracle/oradata/ORCL/datafile/o1_mf_example_6cgckxc7_.dbf
6       Full 43696725   24-2月 -11 /u01/app/oracle/oradata/ORCL/datafile/tt.dbf
7       Full 43696725   24-2月 -11
9       Full 43696725   24-2月 -11 /u01/app/oracle/oradata/ORCL/datafile/tt1.dbf
10      Full 43696725   24-2月 -11

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
——- —- — ———- ———– ———— —————
140     Full    76.00K     DISK        00:00:02     24-2月 -11
BP Key: 140   Status: AVAILABLE  Compressed: NO  Tag: TAG20110224T163942
Piece Name: /rmanbackup/ORCL_%r_200_743964298_full_bak
List of Datafiles in backup set 140
File LV Type Ckp SCN    Ckp Time   Name
—- — —- ———- ———- —-
8       Full 43696725   24-2月 -11

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
——- —- — ———- ———– ———— —————
141     Full    6.83M      DISK        00:00:01     24-2月 -11
BP Key: 141   Status: EXPIRED  Compressed: NO  Tag: TAG20110224T164501
Piece Name: /home/oracle/c-1246063822-20110224-01.ctl
Control File Included: Ckp SCN: 43696725     Ckp time: 24-2月 -11
SPFILE Included: Modification time: 24-2月 -11

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
——- —- — ———- ———– ———— —————
142     Full    6.83M      DISK        00:00:01     11-3月 -11
BP Key: 142   Status: EXPIRED  Compressed: NO  Tag: TAG20110311T123632
Piece Name: /home/oracle/c-1246063822-20110311-00.ctl
Control File Included: Ckp SCN: 43830934     Ckp time: 11-3月 -11
SPFILE Included: Modification time: 11-3月 -11

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
——- —- — ———- ———– ———— —————
143     Full    6.83M      DISK        00:00:00     11-3月 -11
BP Key: 143   Status: EXPIRED  Compressed: NO  Tag: TAG20110311T123803
Piece Name: /home/oracle/c-1246063822-20110311-01.ctl
Control File Included: Ckp SCN: 43830981     Ckp time: 11-3月 -11
SPFILE Included: Modification time: 11-3月 -11

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
——- —- — ———- ———– ———— —————
144     Full    6.83M      DISK        00:00:00     11-3月 -11
BP Key: 144   Status: EXPIRED  Compressed: NO  Tag: TAG20110311T124211
Piece Name: /home/oracle/c-1246063822-20110311-02.ctl
Control File Included: Ckp SCN: 43831067     Ckp time: 11-3月 -11
SPFILE Included: Modification time: 11-3月 -11

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
——- —- — ———- ———– ———— —————
145     Full    6.83M      DISK        00:00:01     11-3月 -11
BP Key: 145   Status: EXPIRED  Compressed: NO  Tag: TAG20110311T124233
Piece Name: /home/oracle/c-1246063822-20110311-03.ctl
Control File Included: Ckp SCN: 43831121     Ckp time: 11-3月 -11
SPFILE Included: Modification time: 11-3月 -11

根本没有什么sbt_tape介质。

RMAN> CONFIGURE CHANNEL DEVICE TYPE ‘SBT_TAPE’ clear;

old RMAN configuration parameters are successfully deleted

RMAN> crosscheck backupset;

allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=118 devtype=DISK
crosschecked backup piece: found to be ‘AVAILABLE’
backup piece handle=/rmanbackup/ORCL_194_1_20110224.bak recid=136 stamp=743938953
crosschecked backup piece: found to be ‘AVAILABLE’
backup piece handle=/rmanbackup/ORCL_195_1_20110224.bak recid=137 stamp=743939279
crosschecked backup piece: found to be ‘EXPIRED’
backup piece handle=/home/oracle/c-1246063822-20110224-00.ctl recid=138 stamp=743963545
crosschecked backup piece: found to be ‘AVAILABLE’
backup piece handle=/rmanbackup/ORCL_%r_199_743963982_full_bak recid=139 stamp=743963982
crosschecked backup piece: found to be ‘AVAILABLE’
backup piece handle=/rmanbackup/ORCL_%r_200_743964298_full_bak recid=140 stamp=743964298
crosschecked backup piece: found to be ‘EXPIRED’
backup piece handle=/home/oracle/c-1246063822-20110224-01.ctl recid=141 stamp=743964302
crosschecked backup piece: found to be ‘EXPIRED’
backup piece handle=/home/oracle/c-1246063822-20110311-00.ctl recid=142 stamp=745504593
crosschecked backup piece: found to be ‘EXPIRED’
backup piece handle=/home/oracle/c-1246063822-20110311-01.ctl recid=143 stamp=745504683
crosschecked backup piece: found to be ‘EXPIRED’
backup piece handle=/home/oracle/c-1246063822-20110311-02.ctl recid=144 stamp=745504931
crosschecked backup piece: found to be ‘EXPIRED’
backup piece handle=/home/oracle/c-1246063822-20110311-03.ctl recid=145 stamp=745504954
Crosschecked 10 objects

成功

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