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一個TB級Oracle數(shù)據(jù)庫的備份時間及備份記錄

發(fā)布時間:  2012/8/21 16:36:29

昨晚,為一個客戶的數(shù)據(jù)庫做了一次臨時性的備份留存,數(shù)據(jù)庫的整體容量大約在1.5T左右,一般中低端存儲:

SQL*Plus: Release 10.2.0.2.0 - Production on Thu Sep 10 14:27:39 2009

Copyright (c) 1982, 2005, Oracle.  All Rights Reserved.
-
 


Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.2.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP and Data Mining options

SQL> select sum(bytes)/1024/1024/1024 GB from v$datafile;

        GB
----------
1527.83266

Linux 系統(tǒng),整個備份過程大約持續(xù)了5個小時左右,備份出來的容量如下:

[Oracle@sms backup]$ du -sk
1448023700      .

備份腳本:

run{
allocate channel d1 type disk maxpiecesize=50G;
allocate channel d2 type disk maxpiecesize=50G;
backup full database filesperset 10 include current controlfile format '/backup/fullbak_%d_%T_%s_%p'
plus archivelog format '/backup/archbak_%d_%T_%s' delete all input;
release channel d1;
release channel d2;
}

備份自9:30開始:

Recovery Manager: Release 10.2.0.2.0 - Production on Wed Sep 9 21:30:23 2009

Copyright (c) 1982, 2005, Oracle.  All rights reserved.

connected to target database: ORADB (DBID=2409970687)

RMAN> run{
2> allocate channel d1 type disk maxpiecesize=50G;
3> allocate channel d2 type disk maxpiecesize=50G;
4> backup full database filesperset 10 include current controlfile format '/backup/fullbak_%d_%T_%s_%p'
5> plus archivelog format '/backup/archbak_%d_%T_%s' delete all input;
6> release channel d1;
7> release channel d2;
8> }
9>
using target database control file instead of recovery catalog
allocated channel: d1
channel d1: sid=819 instance=oradb1 devtype=DISK

allocated channel: d2
channel d2: sid=799 instance=oradb1 devtype=DISK


Starting backup at 09-SEP-09
current log archived
channel d1: starting archive log backupset
channel d1: specifying archive log(s) in backup set
input archive log thread=1 sequence=39695 recid=82786 stamp=697023074
input archive log thread=1 sequence=39696 recid=82789 stamp=697024187

結(jié)束時間是 Sep 10 02:43,五個小時左右。


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