subversion锁定解除升级备份与恢复.docVIP

subversion锁定解除、升级、备份与恢复 subversion锁定解除、升级、备份与恢复2008-05-13 09:131.发生琐定，解除步骤：　A.确定没有存取.关闭httpd服务器.　B.成为管理员身份　C.执行svnadmin recover /path/to/repo命令　D.重启动subversion.　//注意：　A.以管理员身份，非root身份，如果一root身份，要重新chmod,库的权限.2.升级的步骤：　A.现有版本svnadmin ,将档案库dump出来　B.升级到新版的subversion　C.删除就档案库,再原处以新版本subversion,建立新的空档案库.　D.再利用新版本svnadmin ,将档案库load到刚刚建立好的档案库.　实例：　//导出　$svnlook youngest oldrepo　$svnadmin dump oldrepo ; dumpfile　//还原　$svnadmin load newrepo dumpfile　3.即时备份目录　$svnadmin hotcopy /path/to/repo /backup/repo4.渐进式备份实现.A.建立文件hot-backup.perl.内容如下：　#!/usr/bin/perl -w　use strict;my $repos_path = /path/to/repos;　my $dumpfile = /usr/backup/svn-dumpfile;　my $last_dumped = /var/log/svn-last-dumped;　my $svnlook = /usr/local/subversion/bin/svnlook;　my $svnadmin = /usr/local/subversion/bin/svnadmin;# Figure out the starting revision. Use 0 if we cannot read the　# last-dumped file, else use the revision in that file incremented　# by 1.　my $new_start = 0;　if (open LASTDUMPED, $last_dumped)　{　my $line = LASTDUMPED;;　if (defined $line and $line =~ /^(\d+)/)　{　$new_start = $1 + 1;　}　close LASTDUMPED;　}# Query the youngest revision in the repos.　my $youngest = `$svnlook youngest $repos_path`;　defined $youngest $youngest =~ /^\d+$/　or die $0: svnlook youngest $repos_path cannot get youngest revision.\n;　chomp $youngest;# Do the backup.　system($svnadmin dump $repos_path --revision $new_startyoungest --incremental ;; $dumpfile.tmp == 0　or die $0: svnadmin dump to $dumpfile.tmp failed.\n;# Store a new last-dumped revision.　open LASTDUMPED, ; $last_dumped.tmp　or die $0: cannot open $last_dumped.tmp for writing: $!\n;　print LASTDUMPED $youngest\n;　close LASTDUMPED　or die $0: error in closing $last_dumped.tmp for writing: $!\n;# Rename to final locations.　rename($dumpfile.tmp, $dumpfile)　or die $0: cannot rename $dumpfile.tmp to $dumpfile: $!\n;　rename($last_dumped.tmp, $last_dumped)　or die $0: cannot rename $last_dumped.tmp to