I've been lurking for a couple of weeks, but thought I'd introduce myself as I now have a problem I hope someone can help me with.
I run an IT consultancy, specialising in Apple Mac, Linux and UNIX support. One of my customers has a server running SUSE 9 with a simple backup script backing up onto DVD-RW.
# Simple DVD backup
# Kevin Davidson <email@example.com>
exec >> $LOG 2>&1
mkisofs -v -l -R -pad -J -V $ISOVOL -P $ISOPUB -p $ISOPREP -o /var/tmp/dvd.iso /home
cdrecord driveropts=burnfree -dev=0,0,0 -dao fs=6m blank=all -pad /var/tmp/dvd.iso
mail -s "Backup completed $ISOVOL" backups < $LOG
Unfortunately, it seems to run fine for a few nights and then stops for no apparent reason.
scsibus: 0 target: 0 lun: 0
Linux sg driver version: 3.1.25
cdrecord: Warning: using inofficial libscg transport code version (firstname.lastname@example.org '@xxx.xxx.xxx(#)scsi-linux-sg.c 1.75 02/10/21 Copyright 1997 J. Schilling').
cdrecord: Found DVD media: using cdr_mdvd.
Cdrecord-Clone 2.01a18-dvd (i686-suse-linux) Copyright (C) 1995-2003 J?rg Schilling
Note: This version is an unofficial (modified) version with DVD support
Note: and therefore may have bugs that are not present in the original.
Note: Please send bug reports or support requests to <email@example.com>.
Note: The author of cdrecord is not to be bothered with problems in this version.
Using libscg version 'schily-0.7'
Device type : Removable CD-ROM
Version : 0
Response Format: 2
Vendor_info : 'PIONEER '
Identifikation : 'DVD-RW DVR-104 '
Revision : '1.30'
Device seems to be: Generic mmc2 DVD-R/DVD-RW.
Using generic SCSI-3/mmc DVD-R(W) driver (mmc_mdvd).
Driver flags : SWABAUDIO BURNFREE
Supported modes: PACKET SAO
Starting to write CD/DVD at speed 1 in real SAO mode for single session.
Last chance to quit, starting real write in 9 seconds. 8 seconds. 7 seconds. 6 seconds. 5 seconds. 4 seconds. 3 seconds. 2 seconds. 1 seconds. 0 seconds. Operation starts.cdrecord: faio_wait_on_buffer for writer timed out.
cdrecord: Input/output error. prevent/allow medium removal: scsi sendcmd: cmd timeout after 399.999 (200) s
CDB: 1E 00 00 00 00 00
cmd finished after 399.999s timeout 200s
cdrecord: Turning BURN-Free on
cdrecord: WARNING: Drive returns wrong startsec (0) using -150
cdrecord: faio_wait_on_buffer for reader timed out.
Turning BURN-Free off
Thu Feb 9 05:20:20 GMT 2006
Can anyone spot what I have done wrong?
Alternatively, does anyone have a better suggestion or I might have to suggest buying Retrospect to run on one of their desktop PCs :-( A client backing up a server just seems wrong to me.
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