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I have the following backup objects:

  • Multiple Xen Linux instances running on same box.
  • A few laptops Windows that contain also private data that needs to be stored encrypted

I have this backup media:

  • A disk attached to the Xen box
  • A disk available remotely for off-site backups

I want to do daily-weekly-monthly backups of Xen systems and to back-up laptops in approximately same mode but in push mode (backup initiated by laptop) with encryption.

Any good free solutions?

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up vote 1 down vote accepted
  1. pause domU if backing up xen domU
  2. take lvm snapshot of domU's LV (or the LV the images lies on
  3. backup with dirvish over ssh
    • push when backing up a laptop
    • pull via dom0 when backing up xen domUs
  4. save those backup in an encrypted container / partition
  5. make sure the (password-less) keys for ssh+dirvish atre only allowed to run dirvish on the remote side or what ever else is needed (-< post-client-script e.g.)

All should be trivial to implement with cron and a scripting language of your choise ...

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Have you checked "Bacula" ?

rather, see list of backup software free and paid with features here

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I did. It seemed to be quite fine except that it can't really accept push-style backups or work over unreliable links :( – Konrads Mar 22 '10 at 9:51

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