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Update delta_backups.md

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Olivier Lambert 2015-11-19 14:41:46 +01:00
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delta_backups.md
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@ -6,7 +6,7 @@ The next version of XenServer will support delta VHD export. It means you can ex
It's very similar to VEEAM *Forward Incremental Backup*, as explained in [their documentation](http://helpcenter.veeam.com/backup/80/hyperv/forward_incremental_backup.html):
![](https://camo.githubusercontent.com/524e8541c12acac6646b0e9352eb2ff090a15492/687474703a2f2f68656c7063656e7465722e766565616d2e636f6d2f6261636b75702f38302f6879706572762f666f72776172645f696e6372656d656e74616c5f636861696e2e706e67)
![](https://cloud.githubusercontent.com/assets/1241401/11272216/8c70cc04-8ecb-11e5-80ca-63c3751fa4f8.png)
Basically, you'll create "key" backups (full backup) and use delta from those. It's the same principle for [MPEG compression and key frame](https://en.wikipedia.org/wiki/Key_frame#Video_compression).