Would a revision control system be good for this? SVN for example? Eric On Thu, Dec 9, 2010 at 3:05 PM, Kevin Fries wrote: > On 12/09/2010 02:49 PM, betty wrote: > >> thx, steve,alan, joseph and anyone i forgot ! >> good pick up ; i AM doing backups with names of the month, so it IS >> backing up everything each time since it is a different name. i understand >> that but was doing it because i was so paranoid that it would miss something >> ... so i have two months backups on the ext hdd - oct and august. usually >> when i do the next backup, i put in the new month and delete the oldest >> one. but once again, it is backing up everything of course. >> >> so, should i try to rename the october file then just always use that for >> backups. ? or should i just call everything october from now on, hehehe. >> fine with me, easy to remember. >> > There is a program out there that does something similar to this. Its > called BackupPC, and here is its work-flow in a nutshell: > > Create a directory for each machine to be backed up > Create a directory for each backup to be performed (one per day/week/etc) > Copy all links (hard links) from previous backup > Read a file from the target over ssh/rsync > Is this file already in the backup? > Yes - Has It Changed? > Yes - Add file to pool, overwrite old hard link to point to new file > No - Leave link alone > No - Leave link alone > Read next file and continue > > This causes the system to do a incremental backup every day, but it acts > like a full backup. Files are removed from the pool once it is A) deleted & > B) no longer referenced from an old backup. How long it keeps backups and > when it creates a new file regardless (i.e. full backup) is configurable. > This program is especially useful for backing up multiple machines (as it > is smart enough to recognize same files from multiple machines), and I know > this is not your case... But I thought maybe the workflow could be useful > for you to look at in designing your own backup policy. > > Kevin Fries > > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us > To subscribe, unsubscribe, or to change your mail settings: > http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss >