Make backups. That’s one of the lessons learned after reinstalling Nakur. I transfered back all files to the machine, and most functionality is completely restored. This could only be done because of backups that I had available with rsnapshot. rsnapshot under FreeBSD is maintained by Ralf v Dooren, a Snow collegue! and works best for this to get the backups back at home…
There is one pity though, the upload speed is capped at 1mbit. This makes restoring large backups a bit more problematic. Even if you have all data (OK I now have a full SQL backup script running everyday instead of periodically), you also depend on the speed with which it can be restored. If that speed is inadequate it makes restoring painful.
I toyed with the hetzner backup FTP server and I am using Duplicity with a given password, so that I have “local” backups available, which can be transfered at multiple megabits, a full backup took ~ 4 hours, which makes it double that amount max to restore (I like to take the times bigger then they really are). That’s better then 5 full days (5x24hours)
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So, speed is also important




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I recently got very addicted to tarsnap. Fast, cheap *and* good. in defiance of the usual trilemma. It just works and I have complete backups every night now.
Well, I have used tarsnap in it’s testing phase and it looks a lot like “rsnapshot” and duplicity with regard to the ease of use to setup and things like that. So I really am excited about the product. The main issue there is that bandwidth from the hosting facility to remote places isn’t free. So if we are to do a remote backup towards Colin’s Tarsnap servers, we will reach our allocated bandwidth more easily. Hetzners local backup facilities are “free” wrt. Data traffic and storage. So we are using that for the time being. The moment that we have some more customers that are willing to pay for it, we will very surely start using it.. I -do- Recommend the setup above anything else though, it’s safe and reliable and cheap!
Backups are indeed your friend – In addition to speed of restores I’d add the ability to cherry pick files as an important one to have (I know rsnapshot does this, I think tarsnap does as well but I’ve never played with it).
I get the occasional call about restoring “the one file I accidentally deleted that isn’t in CVS” (you know the one: it’s been in your local tree for a month but somehow never got checked in), and I’m big enough to admit that sometimes I’m the one making that call
Yes, tarsnap allows you to pick individual files to restore — the command-line interface is basically the same as tar(1), so you can specify files and directories directly or add –include and –exclude directives (not to mention the –keep-newer-files, –newer-XXX, -nodump, -T filename, and -w options).
From http://www.freebsd.org/cgi/ports.cgi?query=duplicity
duplicity-0.5.18
Untrusted backup using rsync algorithm
Hmm… The Duplicity website doesn’t state their tool is ‘untrusted’, just beta, as all software nowadays.