Mentioned --grow_overwriteable_iso
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@ -395,24 +395,19 @@ Speed is counted in DVD units (i.e. 1x = 1,385,000 bytes/second). Currently
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there is no difference between -sao and -tao. If ever, then -tao will be the
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mode which preserves the current behavior.
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For these media, -msinfo alone would not be enough to perform appending of an
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ISO filesystem. The filesystem driver will need a hint to find the start of the
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most recent session. For example put an ISO filesystem at address 1 GB:
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mkisofs -C 0,524288 ... | \
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cdrskin dev=/dev/sr0 -v fs=32m -eject speed=4 write_start_address=524288s -
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The superuser may then do:
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mount -t iso9660 -o ro,sbsector=524288 /dev/sr0 /mnt
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Note: On my linux-2.4.21-215 mount works only with sbsector <= 337920 (660 MiB)
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To extend a filesystem already existing at address 0
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mkisofs -C 0,524288 -M /dev/sr0 ... | cdrskin dev=/dev/sr0 ...
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Record the number 524288 for usage as first number with -C at the next
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extension:
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mkisofs -C 524288,1000000 ... | cdrskin write_start_address=1000000s ...
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Program growisofs can append to an ISO filesystem on DVD+RW by additionally
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manipulating the first session. cdrskin does not want to get involved so deep
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into the format of the burned data. Be advised to use growisofs for the
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task of maintaining extendable ISO-Filesystems on DVD+RW.
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manipulating the first session. Meanwhile cdrskin can do the same.
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Option --grow_overwriteable_iso allows -multi (although unneeded), enables
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-msinfo and -toc, and makes blank=fast an invalidator for ISO filesystems
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on overwriteable media.
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Initial session (equivalent to growisofs -Z):
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mkisofs ... | cdrskin --grow_overwriteable_iso blank=fast ...
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Add-on session (equivalent to growisofs -M):
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cparms=$(cdrskin dev=/dev/sr0 --grow_overwriteable_iso -msinfo)
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mkisofs -C "$cparms" -M /dev/sr0 ... | \
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cdrskin dev=/dev/sr0 --grow_overwriteable_iso ... -
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DVD-RW and DVD-R
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