On Fri, Sep 24, 2004 at 01:36:23AM +0100, Niall O Broin wrote:
> However, I would like to be able to maintain as many generations of backup on
> each disk as possible. In the nature of things much of the data from one
> archival backup to the next will remain unchanged. To that end there are a
> few projects (I could only find one now - bontmia - but I know I have read of
> others before) which use rsync with some scripting to maintain multiple
> generations of backups on a disk, where any files which don't vary from
> backup_n to backup_n+1 are in fact not saved in backup_n+1 but are instead
> replaced by hard links to the corresponding file in backup_n. The advantage
> of this is both that it saves disk space, and that is more convenient to use
> for restore than amanda.
>> So the question is - do any of you have any experience with any of these
> tools, and what do you think of them?
Haven't used any tools, but this was posted to the list back in July:
Take a look at the section "Copy-on-write backups" - it seems to do what
you want in about 11 lines of shell script.
Maintained by the ILUG website team. The aim of Linux.ie is to
support and help commercial and private users of Linux in Ireland. You can
display ILUG news in your own webpages, read backend
information to find out how. Networking services kindly provided by HEAnet, server kindly donated by
Dell. Linux is a trademark of Linus Torvalds,
used with permission. No penguins were harmed in the production or maintenance
of this highly praised website. Looking for the
Indian Linux Users' Group? Try here. If you've read all this and aren't a lawyer: you should be!