To do this I'm using 2 scripts called from root's cron. The first blanks the disk:
#!/bin/sh umount -f /dev/cd0c growisofs -use-the-force-luke -overburn -Z /dev/rcd0c=/dev/zero
The second does the backup:
#!/bin/sh /sbin/umount -f /dev/cd0c #burn the dvd cd / growisofs -use-the-force-luke -overburn -Z /dev/rcd0c -R samba home
I'm getting the following error message with either script on a pretty frequent basis, especially when this script is called from root's cron:
WARNING: /dev/rcd0c already carries isofs! About to execute 'builtin_dd if=/dev/zero of=/dev/rcd0c obs=32k seek=0' :-( unable to GET PERFORMANCE: Input/output error :-( falling down to SET CD SPEED :-[ [EMAIL PROTECTED] failed with SK=6h/ASC=29h/ACQ=00h]:Input/output error :-( write failed: Input/output error
If I call this script from the command line, though, it works just fine.
OS is OpenBSD 3.5, cdrtools-2.01.01, dvd+rw-tools-5.21.4.10.8.
Hardware is (from dmesg) cd0 at scsibus0 targ 0 lun 0: <HP, DVD Writer 300c, 7H29> SCSI0 5/cdrom removable.
According to HP's web site, there is a firmware update for this unit, but it requires both Windows and the Veritas recording software to install. I don't see that as an option.
I'd appreciate any insight into this problem.
Thanks,
Jeff Ross
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