anthony 319d4f1aa0 snapshot redesign
1. use full snapshot and delta snapshot, there are maxsnashot/2 of delta snapshot between two full snapshot
2. only support one policy for one volume
3. remove all coleases in secondary storage.
2010-09-28 18:37:46 -07:00
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2010-09-28 18:37:46 -07:00
2010-08-11 09:13:29 -07:00
2010-08-11 09:13:29 -07:00
2010-08-11 09:13:29 -07:00