NBU备份数据库时的ORA-27211错误分析解决
2012-09-23 19:23
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一朋友打电话求助,说今天安装配置Veritas Netbackup 7.0备份Oracle 11G数据库时很快报6号错误,查NBU的输出日志发现产生了一个ORA-27211的错误。具体错误信息如下:
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of allocate command on ch00 channel at 09/21/2012 14:36:13
ORA-19554: error allocating device, device type: SBT_TAPE, device name:
ORA-27211: Failed to load Media Management Library
Additional information: 2
RMAN> RMAN>
Recovery Manager complete.
Script /usr/openv/hot_database_backup.sh
==== ended in error on Fri Sep 21 14:36:13 CST 2012 ====
6号错误是NBU中比较常见的典型错误,关于6号错误的几种情况分析,可以参见我之前的博文<netbackup7.0备份6号错误解析> /article/4234480.html,当然今天我们遇到的这个错误是另外一种情况,具体问题具体分析.
检查完NBU的输出日志后,我们再查看一下备份时由Oracle产生的日志:
$ more data_ora_0579.trc
Oracle process number: 2917
Unix process pid: 5244, image: oracletrain@db
*** ACTION NAME:(0000001 STARTED1) 2012-09-21 14:36:28.230
*** SERVICE NAME:() 2012-09-21 14:36:28.230
*** SESSION ID:(160.7) 2012-09-21 14:36:28.230
SKGFQ OSD: Error in function sbtinit on line 4381
SKGFQ OSD: Look for SBT Trace messages in file /oracle/app/oracle/product/11.2.0/admin/train/udump/sbtio.log
SBT Initialize failed for oracle.static
从上面的日志可以看出,这是由于备份时sbtinit失败所引起的。用Oracle的测试工具试试:
oracle@db$ sbttest /etc/hosts
The sbt function pointers are loaded from oracle.static library.
libobk.so could not be loaded. Check that it is installed
经过分析,主要原因是libobk.so这个文件在Oracle中不存在引起的备份失败错误。
下面我们可以这样来操作
oracle@db$ ln -s /usr/openv/netbackup/bin/libobk.so64 /oracle/app/oracle/product/11.2.0/db_1/lib/libobk.so
将NBU中的libobk.so64文件做一个软链接到ORACLE相应目录下
再来测试一下:
oracle@db$ sbttest /etc/hosts
The sbt function pointers are loaded from libobk.so library.
-- sbtinit succeeded
-- sbtinit (2nd time) succeeded
sbtinit: Media manager supports SBT API version 2.0
sbtinit: Media manager is version 5.0.0.0
sbtinit: vendor description string=Veritas NetBackup for Oracle - Release 7.0 (2011020316)
sbtinit: allocated sbt context area of 8 bytes
sbtinit: proxy copy is supported
-- sbtinit2 succeeded
-- regular_backup_restore starts ................................
或者在NBU的BIN目录下执行ORACLE_LINK脚本也可以实现。
再在NBU里进行该策略的备份,发现已经可以正常备份了。
注意:提示说在运行脚本前ORACLE实例需关闭,如果你是ORACLE 9i以上的版本,这个操作是可以在线直接做的。
本文出自 “滴水穿石孙杰” 博客,请务必保留此出处http://xjsunjie.blog.51cto.com/999372/1003936
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of allocate command on ch00 channel at 09/21/2012 14:36:13
ORA-19554: error allocating device, device type: SBT_TAPE, device name:
ORA-27211: Failed to load Media Management Library
Additional information: 2
RMAN> RMAN>
Recovery Manager complete.
Script /usr/openv/hot_database_backup.sh
==== ended in error on Fri Sep 21 14:36:13 CST 2012 ====
6号错误是NBU中比较常见的典型错误,关于6号错误的几种情况分析,可以参见我之前的博文<netbackup7.0备份6号错误解析> /article/4234480.html,当然今天我们遇到的这个错误是另外一种情况,具体问题具体分析.
检查完NBU的输出日志后,我们再查看一下备份时由Oracle产生的日志:
$ more data_ora_0579.trc
Oracle process number: 2917
Unix process pid: 5244, image: oracletrain@db
*** ACTION NAME:(0000001 STARTED1) 2012-09-21 14:36:28.230
*** SERVICE NAME:() 2012-09-21 14:36:28.230
*** SESSION ID:(160.7) 2012-09-21 14:36:28.230
SKGFQ OSD: Error in function sbtinit on line 4381
SKGFQ OSD: Look for SBT Trace messages in file /oracle/app/oracle/product/11.2.0/admin/train/udump/sbtio.log
SBT Initialize failed for oracle.static
从上面的日志可以看出,这是由于备份时sbtinit失败所引起的。用Oracle的测试工具试试:
oracle@db$ sbttest /etc/hosts
The sbt function pointers are loaded from oracle.static library.
libobk.so could not be loaded. Check that it is installed
经过分析,主要原因是libobk.so这个文件在Oracle中不存在引起的备份失败错误。
下面我们可以这样来操作
oracle@db$ ln -s /usr/openv/netbackup/bin/libobk.so64 /oracle/app/oracle/product/11.2.0/db_1/lib/libobk.so
将NBU中的libobk.so64文件做一个软链接到ORACLE相应目录下
再来测试一下:
oracle@db$ sbttest /etc/hosts
The sbt function pointers are loaded from libobk.so library.
-- sbtinit succeeded
-- sbtinit (2nd time) succeeded
sbtinit: Media manager supports SBT API version 2.0
sbtinit: Media manager is version 5.0.0.0
sbtinit: vendor description string=Veritas NetBackup for Oracle - Release 7.0 (2011020316)
sbtinit: allocated sbt context area of 8 bytes
sbtinit: proxy copy is supported
-- sbtinit2 succeeded
-- regular_backup_restore starts ................................
或者在NBU的BIN目录下执行ORACLE_LINK脚本也可以实现。
再在NBU里进行该策略的备份,发现已经可以正常备份了。
注意:提示说在运行脚本前ORACLE实例需关闭,如果你是ORACLE 9i以上的版本,这个操作是可以在线直接做的。
本文出自 “滴水穿石孙杰” 博客,请务必保留此出处http://xjsunjie.blog.51cto.com/999372/1003936
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