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DLT tapes & FAQ's or manuals

lisa yates_1
Occasional Contributor

DLT tapes & FAQ's or manuals

We now have a DLT8000 connected to our unix box. I have never used a tape drive on a unix box. Can someone point to any documentation about how to read and write to tape and discussions about which method to use when, etc.
A. Clay Stephenson
Acclaimed Contributor

Re: DLT tapes & FAQ's or manuals


Whenever you begin to use a new device, it's best to startwith the simple commands.

1) You first task is to identify the actual tape device files:
ioscan -C tape -fn

2) I would next do a tar. Let's assume that your tape device is /dev/rmt/1m.
cd /home
tar cvf /dev/rmt/1m .

This will backup everything in the /home directory.

3) Now, let's read the tar tape back but not restore.
tar vtf /dev/rmt/1m

4) You might want to do the same with the cpio command.
cd /home
find . -print | cpio -ocBv > /dev/rmt/1m
To read the conents back:
cpio -icBvt < /dev/rmt/1m

The tar and cpio commands will establish the basic operation of your drive and until you get those working, go no further. Aftyer that you can move on to the much more efficient 'fbackup' command or a more robust package like OmniBack II.

Man tar, cpio, fbackup, dd for details.
If it ain't broke, I can fix that.
Helen French
Honored Contributor

Re: DLT tapes & FAQ's or manuals

Hi Lisa:

There are lot of other threads which you can find from the forums about this topic. Invoke the search and you will find out a lot of useful information about this.

You need to configure the drive first, add the driver, find out the device status ( ioscan) and device name. You can then start using this drive using any backup software - Omniback, Legato, fbackup. Or use it with commands like cpio, tar, dd etc.

See this site for a product description and other config details:


Life is a promise, fulfill it!
Honored Contributor

Re: DLT tapes & FAQ's or manuals

Here's a link to the site that discusses this.

It works for me (tm)
David Ruska
Honored Contributor

Re: DLT tapes & FAQ's or manuals

FYI, the above document link is for 10.01 systems.

Here's the equivalent link for a 11.0 and 11.i:
The journey IS the reward.