Greetings,
On Sat, 22 Dec 2001, stayler wrote:
> Would you guys be able to point me to a good reference on major and
> minor numbers for file systems. I'm p-laying with IDE CDROM and DVD
> drives and COL is complaining about wrong major/minor numbers. They
> are set to 1 1 just like my SCSI's. Suggestions?
1 1 ???? I think you have this wrong. I think you are looking at some
flags in /etc/fstab. These are NOT the major and Minor numbers. These
are the 'dump' and 'fsck-order' numbers. A '1' in the dump column means
to check this partition at boot time, a '0' means not to check it. The
fsck-order number means to check them in the following order. 1 first, 2
second, etc. More than one partition can be checked at a time (albeit
slower on the same spindle) across diverse spindles.
#
# /etc/fstab
#
# <device> <mountpoint> <filesystemtype> <options> <dump> <fsckorder>
#
/dev/hda2 / ext2 defaults 1 1
/dev/hda4 /home ext2 defaults 1 2
/dev/hda1 /boot ext2 defaults 1 2
/dev/hdd /mnt/cdrom iso9660 ro,noauto 0 0
/dev/fd0 /mnt/floppy ext2 noauto 0 0
/dev/fd0 /mnt/dosfpy msdos noauto 0 0
defunct:(pid231) /net ignore 0 0 0
none /proc proc defaults 0 0
/dev/hda3 swap swap defaults 0 0
#
# Second Hard Drive (HDB)
#
/dev/hdb1 /mnt/dos msdos defaults,noauto 0 0
/dev/hdb2 /mnt/backup ext2 defaults,noauto 1 3
#/dev/hdb3 none swap sw
/dev/hdb4 /u ext2 defaults 1 2
#
# --end of file--
#
For Major/Minor numbers just take a look at the /dev directory. For
IDE drives the 3 is the Major number and the 0 thru 16 is the Minor
number:
brw-rw---- 1 root disk 3, 0 Sep 7 1994 hda
brw-rw---- 1 root disk 3, 1 Sep 7 1994 hda1
brw-rw---- 1 root disk 3, 2 Sep 7 1994 hda2
brw-rw---- 1 root disk 3, 3 Sep 7 1994 hda3
brw-rw---- 1 root disk 3, 4 Sep 7 1994 hda4
brw-rw---- 1 root disk 3, 5 Sep 7 1994 hda5
brw-rw---- 1 root disk 3, 6 Sep 7 1994 hda6
brw-rw---- 1 root disk 3, 7 Sep 7 1994 hda7
brw-rw---- 1 root disk 3, 8 Sep 7 1994 hda8
brw-rw---- 1 root disk 3, 9 Sep 7 1994 hda9
brw-rw---- 1 root disk 3, 10 Sep 7 1994 hda10
brw-rw---- 1 root disk 3, 11 Sep 7 1994 hda11
brw-rw---- 1 root disk 3, 12 Sep 7 1994 hda12
brw-rw---- 1 root disk 3, 13 Sep 7 1994 hda13
brw-rw---- 1 root disk 3, 14 Sep 7 1994 hda14
brw-rw---- 1 root disk 3, 15 Sep 7 1994 hda15
brw-rw---- 1 root disk 3, 16 Aug 2 1996 hda16
Hope this helps clear a few things up...
--- Jay
"Those that sacrifice essential liberty to obtain a little temporary safety
deserve neither liberty nor safety." -- Ben Franklin (1759)
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