I recently got an LG GSA-4081B multiwriter, which also supports DVD-RAM. I've been quite enthusiastic about finally having a a really big sort-of-floppy disk I can use without any packet-writing nonsense & such, so I spent a bit of time rebooting and formatting and mounting to find out which filesystem would be best suited for carrying around data on DVD-RAMs with me (see table below). Right now it would seem that ext2fs needs to fixed to be able to mount filesystems from cd-devices, and newfs_msdos needs to be fixed to create filesystems on cd-devices. Furthermore, we probably need some new disktab entries for typical DVD-RAM media. I've done all this on a -STABLE machine, since the burner is in a -STABLE machine. I've cc'd -current because I'd like to know if the situation is any different in -CURRENT / 5.2 and because someone might want to append the table with results for UDF 1.5 and UDF 2.0, which I didn't bother to test because UDF support still isn't MFC'd. Some notes on the table: Read+Write NO in Linux and FreeBSD equals "no mounting possibe". UFS means UFS1 (newfs from -STABLE was used). | FreeBSD | Linux | Windows 2000 (with drive- | Win98 SE | | 4.9-Stable | Knoppix-2.4.20 | vendor-supplied driver) | (plain) | ------------------------------------------------------------------------------ Fat 32 | | | | | Create | NO | NO | YES | NO | ------------------------------------------------------------------------------ Fat 32 | | | | | Read | YES | YES | YES | YES | ------------------------------------------------------------------------------ Fat 32 | | | | | Write | YES | YES | YES | NO | ------------------------------------------------------------------------------ NTFS | | | | | Create | NO | NO | YES | NO | ------------------------------------------------------------------------------ NTFS | | | | | Read | NO | YES | YES | NO | ------------------------------------------------------------------------------ NTFS | | | | | Write | NO | Untested | YES | NO | ------------------------------------------------------------------------------ EXT2 | | | | | Create | YES | YES | NO | NO | ------------------------------------------------------------------------------ EXT2 | | | | | Read | NO | YES | NO | NO | ------------------------------------------------------------------------------ EXT2 | | | | | Write | NO | YES | NO | NO | ------------------------------------------------------------------------------ UFS | | | | | Create | YES | NO | NO | NO | ------------------------------------------------------------------------------ UFS | | | | | Read | YES | NO | NO | NO | ------------------------------------------------------------------------------ UFS | | | | | Write | YES | NO | NO | NO | ------------------------------------------------------------------------------ -- ,_, | Michael Nottebrock | lofi_at_freebsd.org (/^ ^\) | FreeBSD - The Power to Serve | http://www.freebsd.org \u/ | K Desktop Environment on FreeBSD | http://freebsd.kde.org
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