$ dd if=/dev/zero of=/boot/home/image.img bs=1024k count=400 400+0 records in 400+0 records out $ mkbfs 2048 /boot/home/image.img backup BFS w/2048 byte blocks successfully created on /boot/home/image.img as backup BFS Dump: fd 3 dev_block_size 512 dev_block_conversion 4 tmp block data @ 0x8003a000 num bitmap blocks: 13 Disk Super Block: name: backup magic1: 0x42465331 fs byte order: big endian block size: 2048 num blocks: 204800 num blocks used: 2387 inode size: 2048 magic2: 0xdd121031 num blocks per allocation group: 1 ag shift: 14 num ag's: 13 flags: 0x434c454e magic3: 0x15b6830e log start: 0 -- log end: 0 log area: ag : 0 start : 14 len : 2048 root dir inode: ag : 8 start : 0 len : 1 indices inode: ag : 0 start : 2062 len : 1 pad: 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 ------------------------------------------ nsid: -2147251712 nbitmap blocks 13 bv @ 0x80043000 bbm_sem 22274 sem 22272 fd 3 dev block size 512 inodes: root 0x80052800 index 0x80096800 name 0x80098800 size 0x80099800 create time 0x0 last m. time 0x8009a800 index list @ 0x0 log sem 22275 cur_log_end 0 cur_lh 0x8004bcc0 active_lh 0 completed log entries @ 0x0 tmp blocks @ 0x8003a000 tmp b. sem 22273 $ mkdir /backup $ mount /boot/home/image.img /backup $ unmount /backup $ cdrecord /boot/home/config/bin/cdrecord: No CD/DVD-Recorder device specified. /boot/home/config/bin/cdrecord: Usage: /boot/home/config/bin/cdrecord [options] track1...trackn Options: -version print version information and exit -v increment general verbose level by one -V increment SCSI command transport verbose level by one -debug print additional debug messages dev=target SCSI target to use as CD/DVD-Recorder timeout=# set the default SCSI command timeout to #. driver=name user supplied driver name, use with extreme care -checkdrive check if a driver for the drive is present -prcap print drive capabilities for MMC compliant drives -inq do an inquiry for the drive end exit -scanbus scan the SCSI bus end exit -reset reset the SCSI bus with the cdrecorder (if possible) -ignsize ignore the known size of a medium (may cause problems) -useinfo use *.inf files to overwrite audio options. speed=# set speed of drive blank=type blank a CD-RW disc (see blank=help) fs=# Set fifo size to # (0 to disable, default is 4 MB) -load load the disk and exit (works only with tray loader) -eject eject the disk after doing the work -dummy do everything with laser turned off -msinfo retrieve multi-session info for mkisofs >= 1.10 -toc retrieve and print TOC/PMA data -atip retrieve and print ATIP data -multi generate a TOC that allows multi session In this case default track type is CD-ROM XA2 -fix fixate a corrupt or unfixated disk (generate a TOC) -nofix do not fixate disk after writing tracks -force force to continue on some errors to allow blanking bad d isks -dao Write disk in DAO mode. This option will go away in the future. tsize=# Length of valid data in next track padsize=# Amount of padding for next track pregap=# Amount of pre-gap sectors before next track defpregap=# Amount of pre-gap sectors for all but track #1 mcn=text Set the media catalog number for this CD to 'text' isrc=text Set the ISRC number for the next track to 'text' index=list Set the index list for the next track to 'list' -audio Subsequent tracks are CD-DA audio tracks -data Subsequent tracks are CD-ROM data mode 1 (default) -mode2 Subsequent tracks are CD-ROM data mode 2 -xa1 Subsequent tracks are CD-ROM XA mode 1 -xa2 Subsequent tracks are CD-ROM XA mode 2 -cdi Subsequent tracks are CDI tracks -isosize Use iso9660 file system size for next data track -preemp Audio tracks are mastered with 50/15 s preemphasis -nopreemp Audio tracks are mastered with no preemphasis (default) -pad Pad data tracks with 15 zeroed sectors Pad audio tracks to a multiple of 2352 bytes -nopad Do not pad data tracks (default) -swab Audio data source is byte-swapped (little-endian/Intel) The type of the first track is used for the toc type. Currently only form 1 tracks are supported. $ cdrecord -v dev=0,4,0 speed=8 -dummy -data /boot/home/image.img Cdrecord 1.8 (powerpc-be-beos) Copyright (C) 1995-2000 Jg Schilling TOC Type: 1 = CD-ROM /boot/home/config/bin/cdrecord: WARNING: Cannot set priority on this OS. /boot/home/config/bin/cdrecord: WARNING: This causes a high risk for buffer unde rruns. /boot/home/config/bin/cdrecord: Fifo not supported. scsidev: '0,4,0' scsibus: 0 target: 4 lun: 0 Using libscg version 'schily-0.1' atapi: -1 Device type : Removable CD-ROM Version : 2 Response Format: 2 Capabilities : SYNC LINKED Vendor_info : 'MATSHITA' Identifikation : 'CD-R CW-7503 ' Revision : '1.08' Device seems to be: Generic mmc CD-R. Using generic SCSI-3/mmc CD-R driver (mmc_cdr). Driver flags : SWABAUDIO Drive buf size : 2090928 = 2041 KB FIFO size : 4194304 = 4096 KB Track 01: data 400 MB Total size: 459 MB (45:30.69) = 204802 sectors Lout start: 459 MB (45:32/52) = 204802 sectors Current Secsize: 2048 ATIP info from disk: Indicated writing power: 5 Is not unrestricted Is not erasable Disk sub type: 3 ATIP start of lead in: -11634 (97:26/66) ATIP start of lead out: 338100 (75:10/00) Disk type: Short strategy type (Phthalocyanine or similar) Manuf. index: 3 Manufacturer: CMC Magnetics Corporation Blocks total: 338100 Blocks current: 338100 Blocks remaining: 133298 Starting to write CD/DVD at speed 8 in dummy mode for single session. Last chance to quit, starting dummy write in 1 seconds. Starting new track at sector: 0 Track 01: 400 of 400 MB written. Track 01: Total bytes read/written: 419430400/419430400 (204800 sectors). Writing time: 349.020s Fixating... WARNING: Some drives don't like fixation in dummy mode. Fixating time: 37.591s $ cdrecord -v dev=0,4,0 speed=8 -data /boot/home/image.img Cdrecord 1.8 (powerpc-be-beos) Copyright (C) 1995-2000 Jg Schilling TOC Type: 1 = CD-ROM /boot/home/config/bin/cdrecord: WARNING: Cannot set priority on this OS. /boot/home/config/bin/cdrecord: WARNING: This causes a high risk for buffer unde rruns. /boot/home/config/bin/cdrecord: Fifo not supported. scsidev: '0,4,0' scsibus: 0 target: 4 lun: 0 Using libscg version 'schily-0.1' atapi: -1 Device type : Removable CD-ROM Version : 2 Response Format: 2 Capabilities : SYNC LINKED Vendor_info : 'MATSHITA' Identifikation : 'CD-R CW-7503 ' Revision : '1.08' Device seems to be: Generic mmc CD-R. Using generic SCSI-3/mmc CD-R driver (mmc_cdr). Driver flags : SWABAUDIO FIFO size : 4194304 = 4096 KB Track 01: data 400 MB Total size: 459 MB (45:30.69) = 204802 sectors Lout start: 459 MB (45:32/52) = 204802 sectors /boot/home/config/bin/cdrecord: No Error. test unit ready: scsi sendcmd: fatal e rror CDB: 00 00 00 00 00 00 Sense Bytes: Sense Key: 0x2 Not Ready, Segment 0 Sense Code: 0x3A Qual 0x02 (medium not present - tray open) Fru 0x0 Sense flags: Blk 0 (not valid) /boot/home/config/bin/cdrecord: No disk / Wrong disk! $ cdrecord -v dev=0,4,0 speed=8 -data /boot/home/image.img Cdrecord 1.8 (powerpc-be-beos) Copyright (C) 1995-2000 Jg Schilling TOC Type: 1 = CD-ROM /boot/home/config/bin/cdrecord: WARNING: Cannot set priority on this OS. /boot/home/config/bin/cdrecord: WARNING: This causes a high risk for buffer unde rruns. /boot/home/config/bin/cdrecord: Fifo not supported. scsidev: '0,4,0' scsibus: 0 target: 4 lun: 0 Using libscg version 'schily-0.1' atapi: -1 /boot/home/config/bin/cdrecord: Cannot do inquiry for CD/DVD-Recorder. /boot/home/config/bin/cdrecord: No Error. test unit ready: scsi sendcmd: fatal e rror CDB: 00 00 00 00 00 00 Sense Bytes: Sense Key: 0x2 Not Ready, Segment 0 Sense Code: 0x04 Qual 0x01 (logical unit is in process of becoming ready) Fru 0x 0 Sense flags: Blk 0 (not valid) cmd finished after 0.046s timeout 40s $ cdrecord -v dev=0,4,0 speed=8 -data /boot/home/image.img Cdrecord 1.8 (powerpc-be-beos) Copyright (C) 1995-2000 Jg Schilling TOC Type: 1 = CD-ROM /boot/home/config/bin/cdrecord: WARNING: Cannot set priority on this OS. /boot/home/config/bin/cdrecord: WARNING: This causes a high risk for buffer unde rruns. /boot/home/config/bin/cdrecord: Fifo not supported. scsidev: '0,4,0' scsibus: 0 target: 4 lun: 0 Using libscg version 'schily-0.1' atapi: -1 Device type : Removable CD-ROM Version : 2 Response Format: 2 Capabilities : SYNC LINKED Vendor_info : 'MATSHITA' Identifikation : 'CD-R CW-7503 ' Revision : '1.08' Device seems to be: Generic mmc CD-R. Using generic SCSI-3/mmc CD-R driver (mmc_cdr). Driver flags : SWABAUDIO Drive buf size : 2090928 = 2041 KB FIFO size : 4194304 = 4096 KB Track 01: data 400 MB Total size: 459 MB (45:30.69) = 204802 sectors Lout start: 459 MB (45:32/52) = 204802 sectors Current Secsize: 2048 ATIP info from disk: Indicated writing power: 5 Is not unrestricted Is not erasable Disk sub type: 3 ATIP start of lead in: -11634 (97:26/66) ATIP start of lead out: 338100 (75:10/00) Disk type: Short strategy type (Phthalocyanine or similar) Manuf. index: 3 Manufacturer: CMC Magnetics Corporation Blocks total: 338100 Blocks current: 338100 Blocks remaining: 133298 Starting to write CD/DVD at speed 8 in write mode for single session. Last chance to quit, starting real write in 1 seconds. Starting new track at sector: 0 Track 01: 400 of 400 MB written. Track 01: Total bytes read/written: 419430400/419430400 (204800 sectors). Writing time: 360.966s Fixating... Fixating time: 38.039s $