11-28-2005
Your Question?
Not sure exactly what you are asking. But, The mkcd command or smit mkcd can be used to write to DVD. The mkcd command requires extra disk space, as it stages the backup data on disk. My understanding is the staging size is the size of the backup. So, if the backup size is greater than 2 GB, you'll need to change the ulimit (or fsize=-1 in /etc/security/limits) for non-root users.
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LEARN ABOUT CENTOS
pktsetup
PKTSETUP(8) System Management Commands PKTSETUP(8)
NAME
pktsetup - set up and tear down packet device associations
SYNOPSIS
pktsetup packet_device block_device
pktsetup -d packet_device
pktsetup -s
DESCRIPTION
Pktsetup is used to associate packet devices with CD or DVD block devices, so that the packet device can then be mounted and potentially
used as a read/write filesystem. This requires kernel support for the packet device, and the UDF filesystem.
See: http://packet-cd.sourceforge.net/ <>
EXIT STATUS
Pktsetup returns 0 on success, nonzero on failure.
OPTIONS
-d packet-device
Delete the association between the specified packet-device and its block device.
-s Show device mappings.
EXAMPLE
The following commands provide an example of using the packet device.
cdrwtool -d /dev/sr0 -q
pktsetup /dev/pktcdvd0 /dev/sr0
mount -t udf /dev/pktcdvd0 /mnt
...
umount /dev/pktcdvd0
pktsetup -d /dev/pktcdvd0
FILES
/dev/pktcdvd0,/dev/pktcdvd1,... CD/DVD packet devices (block major=97)
AUTHOR
Jens Axboe <axboe@suse.de>
AVAILABILITY
pktsetup is part of the udftools package and is available from http://linux-udf.sourceforge.net.
SEE ALSO
cdrwtool(1)
udftools-1.0.0b2 2002-02-09 PKTSETUP(8)