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Date:      Sat, 22 Nov 2003 01:08:11 +0100
From:      Lars =?iso-8859-1?Q?K=F6ller?= <lars@koellers.net>
To:        freebsd-questions@freebsd.org
Cc:        lars@koellers.net
Subject:   Unable to share 100MB Zip medium between ATAPI-FD and USB ZIP
Message-ID:  <200311220008.hAM08B9v017516@odie.koellers.net>

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Dear experts,

I'm using FreeBSD-4.9 RELEASE on two different machines. One with an =

NEC 100MB ATAPI Zip drive and another with an 250MB USB Zip drive.

The 100MB medium can't be exchanged between the two drives when it is =

labled and ufs formatted. The partition and label in the 250 MB USB Zip =

drive works well, but can only be udes as /dev/afd0a on the ATAPI drive.

Partition and newfs on the ATAPI drive only works, when I cut off 32 =

sectors of the partition a. Otherwise I get

96904 : disklabel afd0  =

# /dev/afd0c:
type: ESDI
disk: afd0s1
label: =

flags:
bytes/sector: 512
sectors/track: 32
tracks/cylinder: 64
sectors/cylinder: 2048
cylinders: 95
sectors/unit: 196576
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0           # milliseconds
track-to-track seek: 0  # milliseconds
drivedata: 0 =


8 partitions:
#        size   offset    fstype   [fsize bsize bps/cpg]
  c:   196576        0    unused        0     0         # (Cyl.    0 - 95=
*)

root@door:~/
96905 : newfs /dev/afd0c
Warning: Block size restricts cylinders per group to 97.
Warning: 32 sector(s) in last cylinder unallocated
/dev/afd0c:     196576 sectors in 48 cylinders of 1 tracks, 4096 sectors
        96.0MB in 1 cyl groups (97 c/g, 194.00MB/g, 12288 i/g)
super-block backups (for fsck -b #) at:
write error: 196575
newfs: wtfs - writecombine: Input/output error


There seems to be a 32 sector difference induced by the driver, or the =

drive?

Who can help?

Regards

Lars

-- =

Lars K=F6ller
E-Mail: lars@koellers.net (LKoeller@FreeBSD.ORG)
-------- FreeBSD, was sonst? ---- http://www.de.freebsd.org --------




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