一个TB级Oracle数据库的备份时间及备份记录

2020年1月16日18:34:49
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昨晚,为一个客户的数据库做了一次临时性的备份留存,数据库的整体容量大约在1.5T左右,一般中低端存储:

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 系统,整个备份过程大约持续了5个小时左右,备份出来的容量如下:

[[email protected] backup]$ du -sk
1448023700      .

备份脚本:

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;
}

备份自9:30开始:

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

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