Hi, Isaac Dupree wrote: > What size range are the whole images?
The minimum output of grub-mkrescue 1.98 with xorriso is 1544192 bytes. grub-mkisofs: 1550336 genisoimage: 1859584 (-307200 with -no-pad) One may add lots of other files, of course. > Also I guess no one compresses whole ISOs It makes few sense to compress the ISO as a whole. But one could compress some files in it. One could implement a reader for H. Peter Anvin's zisofs format in GRUB's ISO 9660 reader - if not present already. zisofs is a transparent content compression of single files. A reader is implemented in the Linux kernel. See macro CONFIG_ZISOFS in fs/isofs/*.[ch]. An authorised description is given in doc/zisofs_format.txt of xorriso resp. in http://bazaar.launchpad.net/~libburnia-team/libisofs/scdbackup/annotate/head:/doc/zisofs_format.txt The ISO 9660 directory tree stays uncompressed. Compressed and uncompressed files can be mixed. xorriso can produce zisofs compressed data files on the fly (needs zlib). A grub-mkrescue 1.98 image with all files compressed has 884736 bytes. But one would have to leave those files uncompressed which are needed for reading ISO 9660 and zisofs compression. Have a nice day :) Thomas _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org http://lists.gnu.org/mailman/listinfo/grub-devel
