Re: volume size error using sdvdbackup
Hi Thomas,
Le 26 déc. 06, à 21:36, scdbackup@gmx.net a écrit :
I'm still trying to get sdvdbackup work to produce os x readable disks
of a netatalk linux server volume shared to a mac os x LAN.
I came to this script:
export SDVDBACKUP_MKISOFS="mkisofs -dDRN -allow-leading-dots -hfs
--netatalk --double -mac-name -part --osx-double -graft-points"
sdvdbackup /var/sharedvol
...
2530392 extents written (4942 MB)
...
:-( /dev/hdc: 2297888 blocks are free, 2530542 to be written!
Looks like your HFS enhanced filesystems get substantially
fatter than normal RockRidge enhanced ISOs.
There are several approaches for remedy:
- Reduce -max_size proportionally to the mis-estimation.
If for example sdvdbackup announced 4150 MB and if
sdvdbackup -show_configuration | grep MAX_SIZE
replies
SDVDBACKUP_MAX_SIZE=4250m
then you should compute a new maximum volume size by
expr 4150 '*' 4250 / 4942
3568
Like
export SDVDBACKUP_MAX_SIZE=3500m
sdvdbackup /var/sharedvol
...
Option
-max_size number
or above
export SDVDBACKUP_MAX_SIZE=number
resp.
sdvdbackup_max_size_value
would have been the things to play with.
sdvdbackup_media_cap_value is for overflow protection with
sdvdbackup_afio and for fixed volume size with burn programs
which cannot cope with an input stream of unpredicted length.
(growisofs can but cdrecord cannot with DVD.)
If you find a suitable setting for
-max_size ...
or
-dir_size_cmd -internal...
tell me.
Once more, thanks for you fast and helpful reply.
The whole backup worked fine with
export SDVDBACKUP_MAX_SIZE=3500m
Last problem is simply that accentuated chars are not correctly coded
when dvd is lounted on an os x mac.
Probably some interference between --netatalk -mac-name and another
script somewhere...
Jean-Christophe Michel
--
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