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1 .. -*- coding: utf-8; -*- |
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2 .. include:: HEADER.rst |
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3 |
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4 ============ |
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5 Laser disk |
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6 ============ |
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7 .. contents:: |
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8 :local: |
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9 |
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10 What best DVD-R or DVD+R? |
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11 ========================= |
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12 |
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13 The DVD-R format was developed by Pioneer in 1997 vc DVD+R in 2002 by Sony. |
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14 |
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15 DVD+R format was not an official DVD format until January 25, 2008. |
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16 |
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17 DVD-R(W) and DVD+R(W) format are incompatible. |
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18 |
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19 DVD-R(W) use amplitude modulation, DVD+R(W) use phase modulation, so more reliable. |
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20 |
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21 On multi-session DVD-R(W) disk any session take up to 96 MB in time on DVD+R(W) |
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22 every session take exactly 2 MB. |
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23 |
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24 DVD+R(W) win! |
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25 |
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26 See |
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27 |
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28 http://en.wikipedia.org/wiki/DVD-R |
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29 http://en.wikipedia.org/wiki/DVD%2BR |
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30 |
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31 What capacity of DVD? |
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32 ===================== |
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33 |
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34 +----------+-------------------------------------------+ |
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35 | | Capacity | |
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36 + Type +-----------+---------------+------+--------+ |
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37 | | sectors | bytes | GB | GiB | |
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38 | | 2,048B | | | | |
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39 +----------+-----------+---------------+------+--------+ |
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40 |DVD-R (SL)| 2,298,496 | 4,707,319,808 | 4.7 | 4.384 | |
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41 |DVD+R (SL)| 2,295,104 | 4,700,372,992 | 4.7 | 4.378 | |
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42 |DVD-R DL | 4,171,712 | 8,543,666,176 | 8.5 | 7.957 | |
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43 |DVD+R DL | 4,173,824 | 8,547,991,552 | 8.5 | 7.961 | |
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44 +----------+-----------+---------------+------+--------+ |
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45 |
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46 Vendor |
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47 ====== |
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48 |
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49 ** Verbatim. |
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50 |
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51 Archival Grade CD & DVD - for store critical data. |
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52 |
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53 http://www.verbatim.ru |
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54 http://www.verbatim.com/optical/archival/ |
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55 |
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56 ** TDK. |
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57 |
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58 http://www.tdk-media.com |
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59 |
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60 ** Intenso. |
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61 |
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62 http://www.intenso.de |
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63 |
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64 * Lifetime. |
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65 |
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66 What is the life expectancy of a CD-R? |
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67 ====================================== |
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68 |
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69 Approximately 100 years under proper storage conditions (from TDK support). |
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70 |
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71 http://www.cd-info.com/archiving/ |
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72 |
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73 How many times can I rewrite to a CD-RW? |
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74 ======================================== |
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75 |
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76 A CD-RW disc can be erased and rewritten up to a 1,000 times. Reliability and |
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77 performance will not decrease, even as the number of rewrites increase. |
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78 |
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79 Make an ISO image |
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80 ================= |
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81 :: |
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82 |
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83 $ dd if=/dev/dvd of=dvd.iso # for dvd |
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84 $ dd if=/dev/cdrom of=cd.iso # for cdrom |
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85 $ dd if=/dev/scd0 of=cd.iso # if cdrom is scsi |
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86 |
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87 $ mkisofs -o /tmp/cd.iso /tmp/directory/ # from file hierarchy |
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88 |
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89 Burning tools |
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90 ============= |
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91 |
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92 ** cdrtools. |
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93 |
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94 In 2006 build system of cdrtools changed and have CDDL, which incomputable |
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95 with GPL. |
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96 |
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97 See |
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98 |
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99 http://cdrecord.berlios.de/private/cdrecord.html |
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100 http://en.wikipedia.org/wiki/Cdrecord |
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101 |
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102 ** cdrkit. |
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103 |
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104 Fully GPL alternative for cdrtools. Includes: |
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105 |
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106 * wodim (an acronym for write optical disk media), which was forked from the cdrecord program in |
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107 cdrtools. |
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108 * icedax (an acronym for incredible digital audio extractor), which was forked from the cdda2wav |
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109 program in cdrtools. |
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110 * genisoimage (short for generate ISO image), which was forked from the mkisofs program in |
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111 cdrtools. |
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112 |
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113 See |
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114 |
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115 http://www.cdrkit.org/ |
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116 http://en.wikipedia.org/wiki/Cdrkit |
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117 |
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118 Installing under Debian:: |
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119 |
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120 $ sudo apt-get install wodim genisoimage |
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121 |
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122 Cygwin (cdrecord is symlink to wodim, mkisofs is symlink to genisoimage, cdrkit contain only |
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123 READMY):: |
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124 |
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125 $ setup.exe -p cdrkit,wodim,genisoimage |
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126 |
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127 Make iso image:: |
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128 |
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129 $ genisoimage -A "<info>" -gui -J -R -o <img-file> <dir1> <dir2> ... |
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130 |
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131 <info> is up to 128 bytes. -J adds Joliet directory records wich useful on |
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132 Windows. -R adds the Rock Ridge protocol. |
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133 |
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134 To test your image mount it (on Linux):: |
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135 |
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136 $ sudo mount -t iso9660 -o loop,ro <img-file> <mnt-point> |
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137 |
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138 Burn iso image |
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139 ============== |
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140 |
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141 cdrskin |
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142 ------- |
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143 |
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144 See |
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145 |
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146 http://scdbackup.sourceforge.net/cdrskin_eng.html |
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147 http://en.wikipedia.org/wiki/Cdrskin |
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148 |
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149 $ sudo apt-get install cdrskin |
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150 |
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151 xorriso |
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152 ------- |
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153 |
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154 xorriso copies file objects from POSIX compliant filesystems into Rock Ridge |
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155 enhanced ISO 9660 filesystems and allows session-wise manipulation of such |
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156 filesystems. It can load the management information of existing ISO images and |
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157 it writes the session results to optical media or to filesystem objects. |
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158 |
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159 Vice versa xorriso is able to restore file objects from ISO 9660 filesystems. |
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160 |
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161 See |
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162 |
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163 http://scdbackup.webframe.org/xorriso_eng.html |
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164 http://en.wikipedia.org/wiki/xorriso |
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165 |
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166 ImgBurn |
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167 ------- |
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168 |
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169 ImgBurn is a lightweight CD / DVD / HD DVD / Blu-ray burning application that |
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170 everyone should have in their toolkit! |
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171 |
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172 For Windows 95/98/2000/XP/Vista/2008/7, work in Wine under Linux. |
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173 |
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174 http://www.imgburn.com/ |
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175 home page |
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176 |
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177 ** CDBurnerXP. |
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178 |
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179 Это бесплатная программа для записи CD и DVD, Blu-Ray и HD-DVD дисков. Она |
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180 поддерживает запись и создание ISO-образов. |
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181 |
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182 For Windows XP/Vista/2008/7. Require .NET >= version 2.0. |
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183 |
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184 http://www.cdburnerxp.se/ru/home |
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185 home page |
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186 |