Re: dump and 4mm DAT

[Torsten Hilbrich]

On: Thu, 25 Jun 1998 12:18:18 -0700 Philippe BARBELET writes:
 
 Dear debian users,
 Do you know what are the good parameters to use whith the dump
 command for a 4mm DAT system ?

It depends on the tape and if your drive supports hardware
compression.  I used dump for 90m (2GB) Tapes with hardware
compression the following way:

# The dump level is the first and only parameter to this script

LEVEL=$1
TAPESIZE=$((3200*1024))
FILE_SYSTEMS=/ /opt /usr /var /home

mt rewind
for i in ${FILE_SYSTEMS}
do
  dump ${LEVEL}Bf ${TAPESIZE} /dev/tape $i
done

Torsten

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dump and 4mm DAT

[Philippe BARBELET]

Dear debian users,

Do you know what are the good parameters to use whith the dump
command for a 4mm DAT system ?

Tank you.

Phil.


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Re: dump and 4mm DAT

[Jens B. Jorgensen]

I use:

dump 0uBf 4096000 /dev/st0

A couple of things to notice:

0   This means do a level 0 dump (everything). You'll want to work out a 
schedule
of full/incremental dumps
u   This means that /etc/dumpdates should be updated. Incrementals backups 
depend
on this data.
B   This is the length of the media, in bytes. It is important that you make 
this
the length of your tape. I've got a DDS2 drive which has 4GB capacity (native) 
on
120M tapes.
/dev/st0   This is obviously the device file. Yours is probably the same.

Philippe BARBELET wrote:

 Dear debian users,

 Do you know what are the good parameters to use whith the dump
 command for a 4mm DAT system ?

 Tank you.

 Phil.

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