Categories
Mac

Resizing a Time machine backup

As spotted on this blog here’s a way to increase the maximum size used by sparse bundle.

I use Time Machine to backup to My Ready Nas. I found this thread and howto on the Infrant forums. It’s not supported by Appole but it works nicely. Although you’ve got to admit that using an usupported method for a backup is a little dodgy!

I had a problem where resizing was not supported. This post, and this post again on the Infrant forums and this post helped. Well they helped me realise that something Apple did with the OS X 10.5.2 update stopped AFP shares being supported 100% for HDIUTILS manipulation of Sparse/ bundles.

So this command line does not work 🙁

sudo hdiutil create -size 320g -type SPARSEBUNDLE -nospotlight -volname "Backup of Morcheeba" -fs "Case-sensitive Journaled HFS+" -verbose ~/Desktop/test.sparsebundle

So I just started again. I have multiple backups anyway!

As far as I understand it Time machine backups use Rsync and link. Much in the same way that my

Categories
Mac

Terminal Tip: Change Time Machine backup interval

Very useful. Although Time machine rocks, from a laptop it’s a bit annoying to be done every hour.

Terminal Tip: Change Time Machine backup interval: “sudo defaults write /System/Library/LaunchDaemons/com.apple.backupd-auto StartInterval -int 1800”

(Via The Unofficial Apple Weblog (TUAW).)