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From: jfh@cis.ufl.edu (James F. Hranicky)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: floppy disklabel problems
Date: 13 Oct 1995 14:44:25 GMT
Organization: University of Florida, Computer Science Department
Lines: 71
Distribution: world
Message-ID: <45lu09$buo@no-names.nerdc.ufl.edu>
NNTP-Posting-Host: aviator.cis.ufl.edu
Keywords: floppy disklabel bootable
Originator: jfh@aviator.cis.ufl.edu
Howdy,
I'm trying to set up a bootable floppy under 2.0.5R. For some
reason, though, disklabel seems to label the disk incorrectly:
--------
[root@bounce-bsd:/root] # fdformat /dev/rfd0
Format 1440K floppy `/dev/rfd0'? (y/n): y
Processing VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV done.
[root@bounce-bsd:/root] # disklabel -w -B -b /usr/mdec/fdboot -s
/usr/mdec/bootfd /dev/rfd0a floppy
[root@bounce-bsd:/root] # disklabel -r /dev/fd0a
# /dev/fd0a:
type: unknown
disk: fd1440
label:
flags:
bytes/sector: 512
sectors/track: 18
tracks/cylinder: 2
sectors/cylinder: 36
cylinders: 80
sectors/unit: 2880
rpm: 300
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0 # milliseconds
track-to-track seek: 0 # milliseconds
drivedata: 0
3 partitions:
# size offset fstype [fsize bsize bps/cpg]
a: 2880 0 unused 512 4096 # (Cyl. 0 - 79)
b: 2880 0 unused 512 4096 # (Cyl. 0 - 79)
c: 2880 0 unused 512 4096 # (Cyl. 0 - 79)
--------
And the errors from newfs:
------
[root@bounce-bsd:/root] # newfs /dev/rfd0a
Warning: calculated sectors per cylinder (4096) disagrees with disk label (36)
Warning: Block size and bytes per inode restrict cylinders per group to 5.
Warning: 1216 sector(s) in last cylinder unallocated
/dev/rfd0a: 2880 sectors in 1 cylinders of 1 tracks, 4096 sectors
1.4MB in 1 cyl groups (5 c/g, 10.00MB/g, 4448 i/g)
super-block backups (for fsck -b #) at:
32,
------
The info from df :
[root@bounce-bsd:/root] # mount /dev/fd0a /mnt
[root@bounce-bsd:/root] # df /mnt
Filesystem 1K-blocks Used Avail Capacity Mounted on
/dev/fd0a 855 0 786 0% /mnt
Am I doing something wrong? I can't even fit a kernel on here.
Is there something else I'm supposed to do?
-------------------------------------------------------------------------------
| Jim Hranicky, Systems Administrator |
| Computer & Information Sciences & Engineering Department, Univ of Florida |
| E314E CSE Building jfh@cis.ufl.edu Phone (904) 392-1057 |
| http://www.cis.ufl.edu/~jfh |
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