blocks|key|5916151|text|像R快照这样简单的东西可以做你想做的事。这听起来不像是你想要传统上所说的去重复。使用r快照提供的硬链接的合成完全备份功能听起来就像您所要求的一样。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|5916152|(在传统的去重叠方面，您可能希望将开放达普项目作为一个起点。这是我见过的最完整的开源数据去重复项目。它使用自定义文件系统(SDFS)作为其功能的基础。我倾向于认为这不是你想要的，但为了完整起见，我在这里提过。)|entityMap|0|LINK|mutability|MUTABLE|url|http://rsnapshot.org/|1|http://www.opendedup.org/^0|1|3|0|0|H|4|1^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@$A|P|B|Q|1|R]]|C|$]]|$1|D|3|E|5|6|7|S|8|@]|9|@$A|T|B|U|1|V]]|C|$]]]|F|$G|$5|H|I|J|C|$K|L]]|M|$5|H|I|J|C|$K|N]]]]

Something simple like <a href="http://rsnapshot.org/" rel="nofollow noreferrer">rsnapshot</a> may do what you want. It doesn't sound like you want what's traditionally referred to as deduplication. The synthetic full backup functionality using hard-links that rsnapshot provides sounds like exactly what you're asking for.

(On the traditional deduplication front you may want to look at the <a href="http://www.opendedup.org/" rel="nofollow noreferrer">Opendedup</a> project as a starting point. It's the most complete open source data deduplication project that I've seen. It uses a custom filesystem (SDFS) as the basis of its functionality. I tend to think that this isn't want you're looking for, but in the interests of completeness I mention it here.)

blocks|key|5916236|text|巴库拉编写到已打开去复制的ZFS文件系统，使用ZFS使用然后将快照从该主机写入远程主机。并将事务日志应用于该文件系统。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|entityMap|0|LINK|mutability|MUTABLE|url|http://www.bacula.org/|1|https://blogs.oracle.com/constantin/entry/useful_zfs_snapshot_replicator_script^0|0|3|0|S|G|1^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@$A|N|B|O|1|P]|$A|Q|B|R|1|S]]|C|$]]]|D|$E|$5|F|G|H|C|$I|J]]|K|$5|F|G|H|C|$I|L]]]]

<a href="http://www.bacula.org" rel="nofollow noreferrer">Bacula</a> writing to a ZFS filesystem that has de-duplication turned on, <a href="https://blogs.oracle.com/constantin/entry/useful_zfs_snapshot_replicator_script" rel="nofollow noreferrer">then write the snapshot from that host to a remote host</a> with ZFS and apply that transaction log to that filesystem.

blocks|key|5916264|text|我在一系列windows、linux和mac机器上成功地使用了backuppc。http://backuppc.sourceforge.net/+http://www.zmanda.com/backuppc.html+(去复制信息)|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|entityMap|0|LINK|mutability|MUTABLE|url|http://backuppc.sourceforge.net/|1|http://www.zmanda.com/backuppc.html^0|14|W|0|21|Z|1^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@$A|N|B|O|1|P]|$A|Q|B|R|1|S]]|C|$]]]|D|$E|$5|F|G|H|C|$I|J]]|K|$5|F|G|H|C|$I|L]]]]

I have used backuppc with good success on a range of windows linux and mac machines. <a href="http://backuppc.sourceforge.net/" rel="nofollow noreferrer">http://backuppc.sourceforge.net/</a>
<a href="http://www.zmanda.com/backuppc.html" rel="nofollow noreferrer">http://www.zmanda.com/backuppc.html</a> (info on De-Duplication)

blocks|key|672076|text|以下是我头顶上去复制的几个链接：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|672077|OpenDedup+-在Linux和Windows上工作的反复制文件系统。|unordered-list-item|offset|length|672078|s3fs+-由亚马逊S3服务支持的去复制文件系统。|entityMap|0|LINK|mutability|MUTABLE|url|http://www.opendedup.org/|1|http://code.google.com/p/s3fs/^0|0|0|9|0|0|0|4|1^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|S|8|@]|9|@$E|T|F|U|1|V]]|A|$]]|$1|G|3|H|5|D|7|W|8|@]|9|@$E|X|F|Y|1|Z]]|A|$]]]|I|$J|$5|K|L|M|A|$N|O]]|P|$5|K|L|M|A|$N|Q]]]]

Here few links for de-duplication of top of my head:

<ul>
<li><a href="http://www.opendedup.org/" rel="nofollow noreferrer">OpenDedup</a> - de-duplicating file system that works on Linux and Windows.</li>
<li><a href="http://code.google.com/p/s3fs/" rel="nofollow noreferrer">s3fs</a> - de-duplicated file system backed by Amazon S3 service.</li>
</ul>

blocks|key|672156|text|最后，我使用synbak+http://www.initzero.it/products/opensource/synbak/，就像它使用rsync做硬链接的副本一样，并且可以从远程服务器中提取它们，而不是r快照。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|672157|我也在考虑使用类似rwsync或deltac拷贝的东西在windows机器上设置rsyncd，这样我也可以在windows机器上使用synbak。|entityMap|0|LINK|mutability|MUTABLE|url|http://www.initzero.it/products/opensource/synbak/^0|D|1E|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@$A|N|B|O|1|P]]|C|$]]|$1|D|3|E|5|6|7|Q|8|@]|9|@]|C|$]]]|F|$G|$5|H|I|J|C|$K|L]]]]

I ended up going with synbak <a href="http://www.initzero.it/products/opensource/synbak/" rel="nofollow noreferrer">http://www.initzero.it/products/opensource/synbak/</a> as it does the hardlinked copies using rsync and can pull them from remote servers unlike rsnapshot.

I'm also looking into using something like rwsync or deltacopy to setup rsyncd on windows machines so I can use synbak for windows machines as well.

blocks|key|672169|text|现在您有了奥巴南，它也能做到这一点，而且还有更多！|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|entityMap|0|LINK|mutability|MUTABLE|url|http://liw.fi/obnam/^0|5|3|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@$A|L|B|M|1|N]]|C|$]]]|D|$E|$5|F|G|H|C|$I|J]]]]

You now have <a href="http://liw.fi/obnam/" rel="nofollow noreferrer">Obnam</a> which does that also, and much more !

I am looking for a solution for backing up about 30 of my servers that are a mix of centos, windows 2003 and 2008 machines.

I have a san in another data center with a 1 Gig link between the sites that im going to be backing up onto so this is purely a disk based backup solution.

What I am ideally looking for is some open source software possible with a nice gui that will allow me to have a backup cycle with full backups on a monthly basis that go back 6 months and weekly backups that are saved for one month. I'm hoping for de duplication as well so if a file is saved on the first backup the software creates a symlink to it rather then saving the data again in all the proceeding backups. It must also be smart enough to know when a file is deleted that the file is moved to the latest backup it exists in and all symlinks to it are updated.

I was looking at <a href="http://www.bacula.org/en/" rel="nofollow noreferrer">bacula</a> but im unsure if it can do the deduplication or something similar. If it can will someone be kind enough to point me at a decent guide as to how to do it. 

If it does not can someone recommend another solution open source or not?

Is there An open source de duplication backup solution?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我正在寻找一个解决方案，用于备份大约30台服务器，这些服务器混合了centos、windows 2003和2008机器。我在另一个数据中心有一个san，在我将要备份的站点之间有一个1G链接，所以这纯粹是一个基于磁盘的备份解决方案。我理想地寻找的是一些开源软件可能与一个不错的gui，这将允许我有一个备份周期的充分备份每月可追溯到6个月前和每周备份保存一个月。我也希望去复制，所以如果在第一次备份时保存

问是否有开源的去复制备份解决方案？
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