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The notes of a madman

Archive for February, 2009

Vista backup to Samba share

Posted by grigsby on February 15, 2009

So I recently had to deploy a Vista machine to a customer’s network. Till now we had only had one vista box stuck in corner for testing. Now is has been decided that we need a couple of Vista boxes on peoples desktops. The logic goes that we won’t find as many problems if people aren’t using it on a regular basis. (I really feel for the guy that got suck with the Vista box. I mean the box is nice, but Vista just sucks. Eggs. Really old eggs.)

So the initial setup of the box was normal for Vista. I spent most of my time trying to figure out where they hide or renamed options… Typical, right? So the box gets deployed and I migrate the user’s data to the system. Then I got to setup backup for his email. We typically just using Windows backup to backup email and a a few other files. Everything else is stored in on the server. So I got to start the backup process and I get this:

Windows Backup
File Backup could not save your automatic backup settings for thefollowing reason:
Cannot create a file when that file already exists. (0x800700B7)
Please try again

Or something similar. A quick swipe at google and I see that it’s a Samba/Vista issue. Something changed in SMB2 and the only thing that seems affected is Vista Backup. Figures. So I schedule server downtime for the weekend to update Samba as according to the Samba Bugzilla site, this is fixed in a slightly later release.

Sunday afternoon comes along and here I am. I install the update, restart Samba and…. Frack. Error. Fast forward 3 hours. After I start reading comments on the Bugzilla site in desperation I find that the issue is related to ACLs that Vista backup is trying to set on the directory. Wait, does ext3 support ACLs? /me quick google…. Ah, you have to pass the file system an option to enable ACL support. So, long story short… If you want Vista backup to work, you have to 3.0.25+ of Samba, and you have to have ACL support enabled on your file system. The magic incantation is simply spec’ing ‘acl’ in the mount command, like this:

LABEL=/work /work ext3 acl 1 2

I hope this saves at least one person the hours I’ve just wasted.

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