[CentOS] Query: Filesystems
jbartus at advance.net
Mon Nov 28 16:23:17 UTC 2005
Maciej Żenczykowski wrote:
> And the last question: is there some sort of filesystem which supports
> generating 'in-filesystem' snapshots (ie. some sort of copy-on-write
> block semantics applicable both to files and directories combined with
> both a root rw directory to access current files and a ro
> /snapshot/YYMMDD-HHMMSS hierarchy to access snapshots from past dates
> with the possibility of deleting them at will (ie. generate a snapshot
> every hour, after 24 hours leave only every 6th one, after 7 days leave
> only dailies, after a month leave only weeklies etc... - much too
> complicated, but it's easier to get the basic idea across on a larger
> example - probably organized via cronjob).
WAFL does this, unfortunatly it only runs on NetApps.
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