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Re: [Xen-users] Backup domU
| To: | Xen User-List <xen-users@xxxxxxxxxxxxxxxxxxx> |
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| Subject: | Re: [Xen-users] Backup domU |
| From: | Rainer Sokoll <rainer@xxxxxxxxxx> |
| Date: | Sat, 9 Jul 2011 13:45:34 +0200 |
| Delivery-date: | Sat, 09 Jul 2011 04:46:31 -0700 |
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Am 09.07.2011 um 12:17 schrieb Andrew McGlashan: > The only issue with rsync with rsnapshot from what I can see, is for very > large files that change frequently. You might end up having loads of copies > of these large files and that would be painful in terms of storage and > transfer. Take a 2TB Oracle datafile for instance; don't want to touch that > right now with this method, but Oracle has other backup methods anyway ..... Yes, rsnapshot does deduplication by using hard links. This is file based deduplication; what we really want is deduplication on block level, like e.g. ZFS does. For Linux, I came across lessfs (http://sourceforge.net/projects/lessfs/files/). Anyone here who can provide experiences with lessfs? Rainer _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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