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+@related : [[HardDisk]] [[FileSystem]] [[OpticalDisk]] [[Drives]] [[Archive]]
+Disk are media storage  from vinyle to [[CDRom]] including floppies and [[HardDisk]] or [[DVD]]
+see CD roms [[Drives]]
+{{http://opserpir.free.fr/cdchirac/banniere150250.jpg?nocache}}
+Don't scream on your disk :
+  *  http://www.datacenterknowledge.com/archives/2009/01/02/why-you-shouldnt-shout-in-the-data-center/
+===[[Software]] : http://www.framasoft.org/article1453.html===
+  * http://demosten.com/cdrfe/  [[Windows]] [[Software]] [[ClosedSource]] + [[Libre]]
+  * http://www.deepburner.com/  [[Windows]] [[Software]] [[ClosedSource]]
+=== [[UDF]] / DIRECTCD / packet writting===
+The UDF filesystem is based on the ISO/IEC 13346 standard, now ECMA-167
+  mount -t udf -o rw /dev/scd0  /mnt/tmp
+  mount: block device /dev/scd0 is write-protected, mounting read-only
+  zcat /proc/config.gz | grep UDF
+  CONFIG_UDF_FS=m
+CONFIG_UDF_FS:
+This is the new file system used on some CD-ROMs and DVDs.
+Say Y if you intend to mount DVD discs or CDRW's written in packet mode, or                                                   if written to by other UDF utilities, such as DirectCD.
+http://www.cdrfaq.org/
+http://trylinux.com/projects/udf/
+  cat /usr/src/linux-2.6.3/Documentation/filesystems/udf.txt
+  ...
+  Write support requires a block driver which supports writing.
+  The current scsi and ide cdrom drivers do not support writing.
+http://w1.894.telia.com/~u89404340/packet.html
+http://cvs.linuxfromscratch.org/index.cgi/hints/Attic/cdrw-hint.txt?rev=1.3
+http://linux-udf.sourceforge.net/
+http://sourceforge.net/projects/linux-udf
+  Packet writing on CD/DVD media
+  UDF files systems support (read only)
+     UDF write support (DANGEROUS
+  make bzImage
+  make modules
+  make modules_install
+  alias block-major-97 pktcdvd
+  mknod /dev/pktcdvd0 b 97 0
+  cdrwtool -d /dev/scd0 -q
+  pktsetup /dev/pktcdvd0 /dev/scd0
+  mount /dev/pktcdvd0 /mnt/cdrom -t udf -o rw,noatime
+  appliquer les patchs bien sûr avant de compiler le noyau
+  p00002_cd-mrw.patch.bz2
+  packet-2.4.23.patch.bz2
+http://packet-cd.sourceforge.net/
+  root@2[[root]]# pktsetup /dev/pktcdvd0 /dev/sr0
+  open packet device: No such device or address
+Warning u will get at most 540M on 650M CDRom
+=== CDROM===
+K3b is a cdrecorder (like windows' nero burning rom)
+how to make is usable for users (not looged as root) ?
+how to get blank CDROM exact size ?
+what about overburnin ?
+I heard that it is possible to store data as a single stream ?
+To burn .bin/.cue files
+  # /usr/bin/cdrecord -v gracetime=2 dev=0,0,0 speed=1 -dao driveropts=burnfree -cuefile  file.cue
+  Cdrecord-Clone 2.01a19 (i686-pc-linux-gnu) Copyright (C) 1995-2003 Jörg  Schilling
+  TOC Type: 1 = CD-ROM
+  scsidev: '0,0,0'
+  scsibus: 0 target: 0 lun: 0
+  Linux sg driver version: 3.1.25
+  Using libscg version 'schily-0.7'
+  Driveropts: 'burnfree'
+  SCSI buffer size: 64512
+  atapi: 1
+  Device type    : Removable CD-ROM
+  Version        : 0
+  Response Format: 1
+  Vendor_info    : 'HP      '
+  Identifikation : 'CD-Writer+ 9100b'
+  Revision       : '1.07'
+  Device seems to be: Generic mmc CD-RW.
+  Using generic SCSI-3/mmc   CD-R/CD-RW driver (mmc_cdr).
+  Driver flags   : MMC SWABAUDIO
+  Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R RAW/R16 RAW/R96P RAW/R96R
+  Drive buf size : 1024000 = 1000 KB
+  FIFO size      : 4194304 = 4096 KB
+  cdrecord.mmap: Unsupported sector size 2352 for data on line 2 in 'file.cue'.
+===MISC===
+  cdrecord.mmap: WARNING: Drive returns wrong startsec (0) using -150
+CD-ROM CRD-8482B to patch for mdk
+{{http://www.pilas.net/fotos/albums/userpics/10001/445.jpg?nocache}}
+{{http://www.generationmp3.com/IMG/jpg/antimenace.jpg?nocache}}