On Thu, May 3, 2012 at 3:18 PM, Jerry Natowitz <[email protected]> wrote: > To quibble a bit:
http://xkcd.com/386/ Gordon > > You would only have 11 copies if the versioning file system didn't support > generation limits, or the generation limit was 11 or higher. > > I worked with RSX11M for most of the first decade of my career, and I found > the following to be my friend: > > PIP *.*/PU:2 > > > > > ---- Original message ---- >>Date: Thu, 03 May 2012 14:33:44 -0400 >>From: [email protected] (on behalf of Richard Pieri >><[email protected]>) >>Subject: [Discuss] Versioning File Systems >>Cc: [email protected] >> >>On 5/3/2012 12:13 PM, Gordon Ross wrote: >>> No, but combined with an auto-snapshot service, I'd call it "close". >>> You would not get a new version on every file change, but one can >>> make snapshots pretty frequently, i.e. every few minutes. >>> Anyway, probably getting off topic here. Sorry. >> >>Not off topic for the list so I'll change the Subject. >> >>Snapshots aren't at all close to versioning. A versioning file system >>keeps (or can keep; one can usually configure how many versions to keep) >>every version of a file saved. File system snapshots get the file >>system state when the snapshots are made. >> >>For example: create a ZFS snapshot. Create a file. Edit it and save >>it. Repeat nine more times. Create another snapshot. How many >>versions of the file do you have? You would have just one on ZFS. You >>would have all eleven on a versioning file system. >> >>-- >>Rich P. >>_______________________________________________ >>Discuss mailing list >>[email protected] >>http://lists.blu.org/mailman/listinfo/discuss > _______________________________________________ > Discuss mailing list > [email protected] > http://lists.blu.org/mailman/listinfo/discuss _______________________________________________ Discuss mailing list [email protected] http://lists.blu.org/mailman/listinfo/discuss
