BackupPC does that. I'd like to see this in bacula because there is a lack of security on backuppc when restoring files. ACLs aren't restored on backuppc. so you can restore elsewhere a file you have no right to see.
-- Jean-Sébastien Hederer - Gérant ASPerience Conseil, intégration, hébergement de systèmes informatiques spécialisé en solutions logiciel libre de gestion d'entreprise Mob.: 06 69 56 21 49 Tél.: 02 51 13 50 94 Fax.: 02 40 68 70 06 http://www.asperience.fr Chris Hoogendyk <[EMAIL PROTECTED]> a écrit :
Bill Merriam wrote:I have noticed an increasing number of public (Windows centric) online backup services. Sometimes they are free or sometimes there is a modest charge. They give the little Windows people a client program that automatically backs up their stuff to some server somewhere. I thought, wouldn't it be nice if those services ran a Bacula storage daemon for me. I could run a job to backup important stuff, encrypt it and send it to off site storage. Do you suppose such a thing will ever exist? A commercial, public Bacula based service? While I am on blue sky topics, the MS Home Server has a patented ability to only make one backup copy of a file that exists on several machines. This is sort of like the "Base Job" concept only more dynamic and self configuring. Ignoring MS's patent attorneys, has anybody thought out what would be involved in getting Bacula to do something like that?I'm not quite sure how MS got away with patenting that. Well, yeah, I guess I am. They have money & lawyers and use them both abusively with no respect for truth or the rights of others. Anyway, Retrospect has been doing that for 25 years or more on Macintosh. I don't know the details, but some sort of file signature that might have more than one parameter, including file size and a checksum or something like that. The system catalog that Retrospect generates includes that information. One step in the backup sequence is to match the newly generated catalog for a particular client against the existing catalogs on the server and determine what things actually need to be backed up. Things which have an exact match for the file signature would get a link to the already backed up instance. Interestingly, I came up with the idea of doing something like that (using name, md5, size, etc.) to identify the correct fonts to use with a document in order to guarantee that it formatted and printed correctly. When I googled the idea, I found that someone had patented it just a couple of months ago. Luckily, it wasn't MS. Anyway, if Bacula developers want to do that, I think it's fair game. However, not being a lawyer, I wouldn't want anyone to count that as official legal advice. I'm just assuming that prior (long standing) implementations ought to negate MS' patent claims, unless it is some very specific technique that they have patented. --------------- Chris Hoogendyk - O__ ---- Systems Administrator c/ /'_ --- Biology & Geology Departments (*) \(*) -- 140 Morrill Science Center ~~~~~~~~~~ - University of Massachusetts, Amherst <[EMAIL PROTECTED]> --------------- Erdös 4 ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
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