On Monday 28 February 2005 15:43, Fairbank, Bob wrote:
>Hi.
>I am definetly going to need to back up filesystems that are larger
> than the
>capacity of a single tape (SDLT).  Apparently, amanda has a
> limitation with this.
>True?  Any idea when it will be able to do this?
>Thanks.
>
The accepted cure for that is to use tar, and break the disklist up 
into pieces much smaller than a tape.  Amanda, by design, does not do 
a full level 0 backup of all disklist entries at the same time, 
instead, it tries to scatter them out among the backup runs during 
the dumpcycle so that it uses about the same amount of tape per run, 
but a dumpcycle can actually contain 5 to 7 tapes (the way most do 
it) with each tape filled to 95% or more of its capacity.

That said, there is a patch for amanda that will allow it to span one 
individual backup over more than 1 tape.  I'm about to apply it here, 
and play with it over the next weeks to see if I can break it.

It lives here:
<http://www.cs.umd.edu/~building/span_split_V7.0-2.4.5b1-20050214.patch.gz>

and is against the last 2.4.5b1-20050214.tar.gz version of amanda, 
available from a link near the bottom of the amanda.org web page.

>-----Original Message-----
>From: owner-amanda-users AT amanda DOT org
>[mailto:owner-amanda-users AT amanda DOT org] On Behalf Of Jon LaBadie
>Sent: Monday, February 28, 2005 11:58 AM
>To: amanda-users AT amanda DOT org
>Subject: Re: Dump larger than tape error
>
>On Mon, Feb 28, 2005 at 01:35:15PM -0500, Byarlay, Wayne A. wrote:
>> Hi, all!
>>
>> /usr/local/var/amanda/gnutar-lists/luke.lib.purdue.edu_var_0.new:
>
>Cannot
>
>> write: No space left on device
>>
>> | Total bytes written: 3040256000 (2.8GB, 8.9MB/s)
>>
>> ? gtar: Error exit delayed from previous errors
>> sendbackup: error [/usr/local/bin/tar returned 2]
>> \--------
>
>_+_+_+_+_+_+_+_+_+_+_+_+_+_+_+_+_+_+_+_+_+_+_+_+_+_+_+_+_+_+_+_+_+_+
>_+_+
>
>> _+_+_+_+_+_+
>>
>> Now, the disks I'm using to do my backups is not full. Nowhere
>> near full; I've got 112Gb free on it. I doubt the filesystem on
>> the target system is THAT full... I will doublecheck though. Any
>> immediate thoughts?
>
>Note, it reported the filesystem containing
>/usr/local/var/amanda/gnutar-lists
>was full, not your vtape filesystem.

-- 
Cheers, Gene
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