Amanda-Users

DLT 8000 and tape type.

2005-01-20 04:27:31
Subject: DLT 8000 and tape type.
From: Neil Marjoram <n.marjoram AT adastral.ucl.ac DOT uk>
To: "amanda-users AT amanda DOT org" <amanda-users AT amanda DOT org>
Date: Thu, 20 Jan 2005 09:09:06 +0000
I have just completed a tapetype on my Storedge L9 with DLT 8000 again, and I'm a little confused.

The DLT 8000 drive can take 80GB compressed, the results return 40GB. Amstatus shows that the amount of data stored on each tape is always less than 40G, the latest output from the status is :
tape 1        :  66  27906885k  25125884k ( 68.13%) AG3600
tape 2        :   1   9085868k   9327611k ( 22.18%) AG3602
tape 3        :   0         0k         0k (  0.00%) AG3598

My question is two part, a. how do I get amanda to backup 80GB to the DLT, and secondly why is it that the second tape in a three part backup never holds as much data as the first tape? The backup shown above is still running and currently saving to tape 3. Or am I barking up completly the wrong tree?

define tapetype DLT-L9 {
comment "DLT 8000 - Storedge L9"
length 40000 mbytes
filemark 22 kbytes
speed 1770 kbytes

I am using the chg-zd-mtx script to handle the autoloader, Fedora Core 2 as my OS and Amanda version 2.4.4p2-3.

Many thanks,

Neil.

--
Neil Marjoram
Systems Manager
Adastral Park Campus
University College London
Ross Building
Adastral Park
Martlesham Heath
Ipswich - Suffolk
IP5 3RE



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