Backup Sunday
Did you back up your data this week? It’s not too late, you know.
Maybe.
What Alwin said.
nd
To show you why you need always be vigilant…. Earlier this afternoon I decided it was time to move my Aperture library from my laptop to my Tower. That’s more than ten, but less than 20 gigs of data. Before starting anything, I decided to do a refresh update in retrospect, Just In Case.
Which failed — there was bitrot on my laptop. Not good. But I clearly caught it early (backup was only 24 hours old…), so how bad could it be?
But
How about: Disk Tools couldn’t fix it? Now THAT’s bad. Fortunately, Disk Warrior could, which is why I’m more than happy to buy a copy and keep it around, Just In Case. Every So Often, Diskwarrior seems to save my butt. The rest of the time, I consider it a talisman that prevents things from happening by being prepared.
Short answer: took me 45 minutes to fix the disk, and it turned into a big hairy nothing. But… it could have been nasty, if it’d gone unnoticed.
Fortunately, I have a backup, just in case. even better, the backup warned me of something before I even noticed it. SAving me the need of the backup.
But to be honest — I”m starting to think Retrospect is not the solution any more. If nothing else, when I need to start a new full backup, it can take 2-3 nights to fully get things back in sync. And we’re rapidly heading towards a full backup of the house hitting 200 gigs of data.
So I’m now starting to look at a setup that uses a mirrored RAID with hot swappable modules (like this one from Wiebetech) as my backup box. Toss Retrospect, and have each system use SuperDuper to back up each system over the network to this disk attached to a server.
No more central server backup system (I might even put the disk on a dedicated mini), no more need for incrementals — swapping a drive means breaking and rebuilding the raid mirror, so you don’t need to re-initialize, so one of the Wiebetech, with two spare modules, stick 500gig drives in each one, and rotate one to the safe, one offsite. That might actually keep us in backups for a year or so, given how the music and photos are growing….
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