Ryan Novosielski wrote: > [EMAIL PROTECTED] wrote: > >>> [EMAIL PROTECTED] wrote: > >> I would never use or even pay such a backup software. > >> > >> I am planing it to use it in companies, not at home for my desktop. > >> > >> Imagine your Sitation: The whole server goes down. You have a 10 Days > >> old full backup and 9 incrementals. > >> > >> Now you bring the system back up but with inconsitent files and > >> contents?! > >> > >> Try to explain that to you boss or the company you work for?! > > Since you seem to be so sure about the subject, I'd like to see you tell > me which backup software does and does not have this problem. My > suspicion is that many of the commercial packages have the same problem > (at least that's what I remember finding out last time I looked into > this). I can't tell right now from looking at the web, as this really > isn't mentioned anyplace. How would you find out whether your choice of > software package has this limitation or not?
I could be wrong, but I think that feature (catching deletions on incrementals) is somewhat rare. Although, I cannot say that I know *all* backup programs thoroughly. The only program I know that does it is Retrospect (used to be Dantz and is now EMC). When I was using them, they made a catalog of your system for each backup, including incrementals, and could restore to the state represented by the catalog. That simply isn't the frame of reference that most backup software starts from. They also did some other magical tricks like identifying duplicate files among multiple backup clients and not duplicating them on the backup (requiring serious coordination between the backup server and the backup clients). This resulted in very space efficient and bandwidth efficient network backups when you had whole departments of similarly configured machines. I was no longer able to use them when I was no longer a Mac network manager. Since then they've branched out to Windows, and I believe they also have linux, but I have no idea how well it works. Also, they are commercial. You have to buy licenses based on how many servers and clients you have, and you can't see the code or contribute to it. So that puts you in a different arena. I have no idea how they are doing in the current competitive environment. --------------- 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
