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mrknowitall
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PostPosted: Sun Jun 14, 2009 3:53 pm    Post subject: Backup-Solutions and Desaster Recovery [solved] Reply with quote

hi folks,

if this post is in the wrong place, my dear apologies! I just did not know where to ask this question...

as i'm a quite happy gentoo user for quite some time, i come to fear some desaster. ruining my years of care to my dear gentoo. according to chaos theory, it must happen some day...

i googled around but i haven't found quite what i was looking for.

i want a backup mechanismn, that runs periodcally or on demand, backing up everything to my local usb drive.

something like timemachine. if required, i want to rollback all changes or just recover everything from bare metal.

for the time being, i use a simple backup script, that dumps everything into a tar. from that i already recovered a few times. but it always does a full backup. but i would love to have something incremental.

any hint fullfilling my wishes apreciated.


many thanks!

alex
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Last edited by mrknowitall on Mon Jun 22, 2009 12:16 am; edited 1 time in total
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g.e.n.t.u.x.
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Joined: 21 Aug 2006
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Location: Berlin

PostPosted: Sun Jun 14, 2009 8:05 pm    Post subject: Reply with quote

hey one of folks

look at these here https://forums.gentoo.org/viewtopic-t-769841-highlight-.html

bye and nice time
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bbj
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Joined: 24 Jan 2003
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PostPosted: Mon Jun 15, 2009 9:16 am    Post subject: Reply with quote

dar is all you need: http://dar.linux.free.fr

It's in the portage tree. Just emerge it and kdar if you want a front end for it, especially to give you output commands so you can save it to use later without kdar. I use it and I do weekly incremental backups and never had any problem.
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Roman_Gruber
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PostPosted: Mon Jun 15, 2009 10:06 am    Post subject: Reply with quote

try rdiffbackup
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g.e.n.t.u.x.
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PostPosted: Mon Jun 15, 2009 4:07 pm    Post subject: Reply with quote

special thx at your both. try kdar as rdiffbackup too
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ianw1974
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Joined: 18 Oct 2006
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PostPosted: Mon Jun 15, 2009 7:01 pm    Post subject: Reply with quote

I use bacula to backup to a NAS, but the principal would be the same to backup to your USB storage instead. I have one full backup per month, and the rest are differential (although you can replace differential with incremental if you prefer). The reason I go for differential is that I can restore the last full backup and the last differential made. Whereas with incremental, you have to do the last full backup plus every single incremental since the full backup. For a full backup at the beginning of the month, and incrementals all month, that's like 30 restores compared to two.

Of course, differentials get bigger and bigger as the month goes on as they backup up every modified file since the full backup. Incremental always resets the archive bit, hence the multitude of restores required. The next full backup resets the archive it.
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mrknowitall
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PostPosted: Wed Jun 17, 2009 9:14 pm    Post subject: Reply with quote

thank you guys for your answers. unfortunatelly i'm f***ing bussy this week. i hope i'll find some time this weekend to investigate on your hints...

cheers!

alex
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mrknowitall
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PostPosted: Mon Jun 22, 2009 12:15 am    Post subject: Reply with quote

hi folks,

i checked out almost all your suggestions. from my point of view, this how i decided:
* bacula: from what i read, it's everything you may need. in my case, it's just a bit to heavy for my needs (and i admit, i'm a bit lazy...)
* (k)dar: haven't had a deep look into it, but i think i could serve my needs (has diffrential, compressed backup, excludes for compression audio etc.)
* rdiff-backup: i'll give it a go. seems to work fine. i'm ready for desaster... ;-) (needs a lot of space, but backup is quite fast)


thanks to you all!

edit: this is my current solution http://blog.ackoehler.de/?p=94
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