[[email protected] ~]$ db2 update db cfg for sample using logretain recovery
DB20000I  The UPDATE DATABASE CONFIGURATION command completed successfully.
SQL1363W  One or more of the parameters submitted for immediate modification 
were not changed dynamically. For these configuration parameters, all 
applications must disconnect from this database before the changes become 
effective

--這時候，需要手動備份資料庫，否是會出現backup pending的狀態：

[
 
[email protected] ~]$ con sample
SQL1116N  A connection to or activation of database "SAMPLE" cannot be made 
because of BACKUP PENDING.  SQLSTATE=57019

[[email protected] ~]$ db2 backup db sample to /tmp

Backup successful. The timestamp for this backup image is : 20101117125927


--檢查相關設定：

[
 
[email protected] ~]$ con sample

   Database Connection Information

 Database server        = DB2/LINUX 9.5.2
 SQL authorization ID   = DB2INST1
 Local database alias   = SAMPLE

[[email protected] ~]$ db2 get db cfg |grep -i log
 Log retain for recovery status                          = RECOVERY
 Log retain for recovery enabled             (LOGRETAIN) = RECOVERY
 First log archive method                 (LOGARCHMETH1) = LOGRETAIN
 Options for logarchmeth1                  (LOGARCHOPT1) = 
 Second log archive method                (LOGARCHMETH2) = OFF


--再設定歸檔的路徑：

[
 
[email protected] ~]$ db2 update db cfg for sample using LOGARCHMETH1 "DISK:/arch/"

DB20000I  The UPDATE DATABASE CONFIGURATION command completed successfully.

[[email protected] ~]$ db2 get db cfg |grep LOGARCHMETH1
 First log archive method                 (LOGARCHMETH1) = DISK:/arch/


--手動歸檔一下：

[[email protected] ~]$ db2 ARCHIVE LOG FOR DATABASE sample
DB20000I  The ARCHIVE LOG command completed successfully.

--看看歸檔情況
[[email protected] /arch/db2inst1/SAMPLE/NODE0000/C0000000]# ll
total 16
-rw-r----- 1 db2inst1 db2iadm1 12288 Nov 17 13:09 S0000000.LOG
[[email protected] ~]$ db2 LIST HISTORY  ARCHIVE LOG all for sample

                    List History File for sample

Number of matching file entries = 2


 Op Obj Timestamp+Sequence Type Dev Earliest Log Current Log  Backup ID
 -- --- ------------------ ---- --- ------------ ------------ --------------
  X  D  20101117130935      1    D  S0000000.LOG C0000000      
 ----------------------------------------------------------------------------

 ----------------------------------------------------------------------------
    Comment:                                                                  
 Start Time: 20101117130935
   End Time: 20101117130935
     Status: A
 ----------------------------------------------------------------------------
  EID: 23 Location: /arch/db2inst1/SAMPLE/NODE0000/C0000000/S0000000.LOG


 Op Obj Timestamp+Sequence Type Dev Earliest Log Current Log  Backup ID
 -- --- ------------------ ---- --- ------------ ------------ --------------
  X  D  20101117130935      N                    S0000000.LOG  
 ----------------------------------------------------------------------------

 ----------------------------------------------------------------------------
    Comment: ARCHIVE LOG                                                      
 Start Time: 20101117130935
   End Time: 20101117130935
     Status: A
 ----------------------------------------------------------------------------
  EID: 24