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cdrecord dev=0,0,0 -v -eject speed=8 -multi driveropts=burnfree soubor_zalohy

mkisofs -R -J -C `cdrecord -msinfo dev=0,0,0` -M /dev/scd0 -o backup.iso soubor_zalohy
cdrecord dev=0,0,0 -v -eject speed=8 -multi driveropts=burnfree backup.iso

mount -v -t iso9660 /dev/scd0 /media/cdrom0

mount: block device /dev/scd0 is write-protected, mounting read-only
mount: wrong fs type, bad option, bad superblock on /dev/scd0,
       missing codepage or helper program, or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so

[999157.394898] attempt to access beyond end of device
[999157.394906] sr0: rw=0, want=673064, limit=645396
[999157.394914] isofs_fill_super: bread failed, dev=sr0, iso_blknum=168265, block=168265

/usr/bin/cdrecord -minfo -dev=0,0,0


Cdrecord-ProDVD-ProBD-Clone 2.01.01a33 (i686-pc-linux-gnu) Copyright (C) 1995-2007 J▒rg Schilling
scsidev: '0,0,0'
scsibus: 0 target: 0 lun: 0
Linux sg driver version: 3.5.34
Using libscg version 'schily-0.9'.
Device type    : Removable CD-ROM
Version        : 5
Response Format: 2
Capabilities   :
Vendor_info    : 'HL-DT-ST'
Identifikation : 'RW/DVD GCC-4482B'
Revision       : '2.01'
Device seems to be: Generic mmc2 DVD-ROM.
Using generic SCSI-3/mmc   CD-R/CD-RW driver (mmc_cdr).
Driver flags   : MMC-2 SWABAUDIO BURNFREE
Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R RAW/R16 RAW/R96P RAW/R96R
Mounted media class:      CD
Mounted media type:       CD-R
Disk Is not erasable
data type:                standard
disk status:              incomplete/appendable
session status:           empty
BG format status:         none
first track:              1
number of sessions:       10
first track in last sess: 10
last track in last sess:  10
Disk Is not unrestricted
Disk type: CD-ROM XA
Disk id: 0x414389
last start of lead in: 184102
last start of lead out: 359849

Track  Sess Type   Start Addr End Addr   Size
==============================================
    1     1 Data   0          13553      13554
    2     2 Data   24956      38513      13558
    3     3 Data   45416      58954      13539
    4     4 Data   65857      79395      13539
    5     5 Data   86298      99868      13571
    6     6 Data   106771     120344     13574
    7     7 Data   127247     140845     13599
    8     8 Data   147748     161346     13599
    9     9 Data   168249     181849     13601
   10    10 Blank  188752     359846     171095

Last session start address:         168249
Last session leadout start address: 181850
Next writable address:              188752
Remaining writable size:            171095