Would a revision control system be good for this? SVN for example?
Eric
On Thu, Dec 9, 2010 at 3:05 PM, Kevin Fries <
kfries6@gmail.com> 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
>
>
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