Dataguard 备机产生gap
2016-01-02 15:29
471 查看
今天检查磁盘空间发现100%爆满,手工释放空间后查看Sequence#有很多没有应用
查看这个归档在不在备库
Crosscheck发现少了
查看gap
第一时间去主库看12307是否存在:
那么我们直接把主库的归档传到备库(注:这里是asm,如果是文件系统的可以直接cp)(PS:如果主库都没有的话就要去找备份。)
然后备库注册下:
查看这个归档在不在备库
Crosscheck发现少了
查看gap
SQL> SELECT PROCESS, STATUS, THREAD#, SEQUENCE#, BLOCK#, BLOCKS FROM V$MANAGED_STANDBY; PROCESS STATUS THREAD# SEQUENCE# BLOCK# BLOCKS --------- ------------ ---------- ---------- ---------- ---------- ARCH CLOSING 1 17363 292864 1425 ARCH CLOSING 1 17365 157696 1512 ARCH CLOSING 2 12296 1693696 276 ARCH CLOSING 1 17366 198656 1532 RFS IDLE 0 0 0 0 MRP0 WAIT_FOR_GAP 2 12307 0 0 6 rows selected. SQL>
第一时间去主库看12307是否存在:
SQL> select NAME,THREAD#,SEQUENCE#,APPLIED,DELETED,STATUS from v$archived_log where SEQUENCE#=12307; NAME -------------------------------------------------------------------------------- THREAD# SEQUENCE# APPLIED DEL S ---------- ---------- --------- --- - +RECO_CIS/prod/archivelog/2016_01_01/thread_2_seq_12307.2161.899944423 2 12307 NO NO A SQL>去看物理文件:
那么我们直接把主库的归档传到备库(注:这里是asm,如果是文件系统的可以直接cp)(PS:如果主库都没有的话就要去找备份。)
RMAN> copy archivelog '+RECO_CIS/prod/ARCHIVELOG/2016_01_01/thread_2_seq_12307.2161.899944423' to '/home/thread_2_seq_12307.2161.899944423'; Starting backup at 02-JAN-16 using channel ORA_DISK_1 channel ORA_DISK_1: starting archived log copy input archived log thread=2 sequence=12307 RECID=53596 STAMP=899944429 RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== RMAN-00571: =========================================================== RMAN-03009: failure of backup command on ORA_DISK_1 channel at 01/02/2016 10:31:44 ORA-19504: failed to create file "/home/thread_2_seq_12307.2161.899944423" ORA-27040: file create error, unable to create file Linux-x86_64 Error: 13: Permission denied Additional information: 1 RMAN> copy archivelog '+RECO_CIS/prod/ARCHIVELOG/2016_01_01/thread_2_seq_12307.2161.899944423' to '/archivelog/thread_2_seq_12307.2161.899944423'; Starting backup at 02-JAN-16 using channel ORA_DISK_1 channel ORA_DISK_1: starting archived log copy input archived log thread=2 sequence=12307 RECID=53596 STAMP=899944429 output file name=/archivelog/thread_2_seq_12307.2161.899944423 RECID=53805 STAMP=900066828 channel ORA_DISK_1: archived log copy complete, elapsed time: 00:00:15 Finished backup at 02-JAN-16 这里注意目录oracle要有权限 RMAN> quit Recovery Manager complete. [oracle@cisdb01 ~]$ cd /archivelog/ [oracle@cisdb01 archivelog]$ ls thread_2_seq_12307.2161.899944423 [oracle@cisdb01 archivelog]$ [root@cisdb01 archivelog]# scp thread_2_seq_12307.2161.899944423 root@10.19.2.85:/u01/CCBPROD/oracle/oradata/archive/ root@10.19.2.85's password: thread_2_seq_12307.2161.899944423 100% 843MB 36.7MB/s 00:23 [root@cisdb01 archivelog]#
然后备库注册下:
RMAN> catalog archivelog '/u01/CCBPROD/oracle/oradata/archive/thread_2_seq_12307.2161.899944423'; RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== RMAN-00571: =========================================================== RMAN-03009: failure of catalog command on default channel at 01/02/2016 10:51:57 ORA-19625: error identifying file /u01/CCBPROD/oracle/oradata/archive/thread_2_seq_12307.2161.899944423 ORA-27041: unable to open file Linux-x86_64 Error: 13: Permission denied Additional information: 9 RMAN> 这里也是权限问题 chown一下就好 RMAN> catalog archivelog '/u01/CCBPROD/oracle/oradata/archive/thread_2_seq_12307.2161.899944423'; cataloged archived log archived log file name=/u01/CCBPROD/oracle/oradata/archive/thread_2_seq_12307.2161.899944423 RECID=9578 STAMP=900068071 RMAN>再去看后台进程已经ok了
看后台进程 SQL> SELECT PROCESS, STATUS, THREAD#, SEQUENCE#, BLOCK#, BLOCKS FROM V$MANAGED_STANDBY; PROCESS STATUS THREAD# SEQUENCE# BLOCK# BLOCKS --------- ------------ ---------- ---------- ---------- ---------- ARCH CLOSING 1 17363 292864 1425 ARCH CLOSING 1 17365 157696 1512 ARCH CLOSING 2 12296 1693696 276 ARCH CLOSING 1 17366 198656 1532 RFS IDLE 0 0 0 0 RFS IDLE 0 0 0 0 RFS IDLE 0 0 0 0 MRP0 APPLYING_LOG 2 12319 231792 1691908 8 rows selected. SQL>注意:这个时候crosscheck还是看不到这个归档的,因为你没同步。
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