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：[oracle@sms backup]$ du -sk1448023700 .备份脚本：
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$datafile;
        gb
----------
1527.83266
linux 系统，，整个备份过程大约持续了5个小时左右，备份出来的容量如下：
[oracle@sms backup]$ 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
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
结束时间是 sep 10 02:43,五个小时左右。