Amanda-Users

Re: Can't open tape device /dev/nst0

2008-08-06 19:53:49
Subject: Re: Can't open tape device /dev/nst0
From: "Dustin J. Mitchell" <dustin AT zmanda DOT com>
To: "Vectorz Sigma" <vectorz3 AT gmail DOT com>
Date: Wed, 6 Aug 2008 19:49:40 -0400
On Wed, Aug 6, 2008 at 7:32 PM, Vectorz Sigma <vectorz3 AT gmail DOT com> wrote:
> I downgraded to Amanda 2.5.2p1 and it gave me a better clue when running
> amlabel.  Basically it said /dev/nst0 = permission denied.  I've been
> running the amlabel command as amandabackup but didn't realize you need to
> give permissions to the /dev/nst0 device (which was 750 perms and owned by
> root:root).   I chmod'd to 777 to test and that fixed the problem.
>
> Is it a known deal that we're supposed to change permission on the tape dev
> name?

The device should have the group 'disk' (or equivalent), and
amandabackup should be in that group.

However, it's definitely a bug to not report that as "permission
denied", so I'll take a look.  Thanks for chasing this down.

Dustin

-- 
Storage Software Engineer
http://www.zmanda.com