清理DB2的归档日志
来源：网络 责任编辑：栏目编辑 发表时间:2013-07-01 15:38 点击:次
DB2归档日志的相关信息保存在恢复历史文件中，可以通过 db2 list history 命令查看。
db2inst1@suse-db:~> db2 list history archive log all for ggyy
List History File for ggyy
Number of matching file entries = 6
Op Obj Timestamp+Sequence Type Dev Earliest Log Current Log Backup ID
-- --- ------------------ ---- --- ------------ ------------ --------------
X D 20100103235553 1 D S0000038.LOG C0000007
----------------------------------------------------------------------------
----------------------------------------------------------------------------
Comment:
Start Time: 20100103235553
End Time: 20100103235553
Status: A www.2cto.com
----------------------------------------------------------------------------
EID: 80 Location: /data/palog/db2inst1/GGYY/NODE0000/C0000007/S0000038.LOG
Op Obj Timestamp+Sequence Type Dev Earliest Log Current Log Backup ID
-- --- ------------------ ---- --- ------------ ------------ --------------
X D 20100103235553 N S0000038.LOG
----------------------------------------------------------------------------
----------------------------------------------------------------------------
Comment: ARCHIVE LOG
Start Time: 20100103235553
End Time: 20100103235553
Status: A
----------------------------------------------------------------------------
EID: 81
Op Obj Timestamp+Sequence Type Dev Earliest Log Current Log Backup ID
-- --- ------------------ ---- --- ------------ ------------ --------------
X D 20100103235608 1 D S0000039.LOG C0000007
----------------------------------------------------------------------------
----------------------------------------------------------------------------
Comment:
Start Time: 20100103235608
End Time: 20100103235608
Status: A
----------------------------------------------------------------------------
EID: 82 Location: /data/palog/db2inst1/GGYY/NODE0000/C0000007/S0000039.LOG
......
清除这些信息，需要使用 db2 prune history 命令。该命令会清除指定时间戳及之前的所有条目（不只是归档日志的）。默认情况下，系统不会清除最近一次数据库全备之后的归档日志信息。
db2inst1@suse-db:~> db2 prune history 20100103235553
SQL1024N A database connection does not exist. SQLSTATE=00000
db2inst1@suse-db:~> db2 connect to ggyy www.2cto.com
Database Connection Information
Database server = DB2/LINUX 9.7.0
SQL authorization ID = DB2INST1
Local database alias = GGYY
db2inst1@suse-db:~> db2 prune history 20100103235553
DB20000I The PRUNE command completed successfully.
db2inst1@suse-db:~> db2 list history archive log all for ggyy | head -20
List History File for ggyy
Number of matching file entries = 6
Op Obj Timestamp+Sequence Type Dev Earliest Log Current Log Backup ID
-- --- ------------------ ---- --- ------------ ------------ --------------
X D 20100103235553 1 D S0000038.LOG C0000007
----------------------------------------------------------------------------
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