seeking help on "adding a disk"
- From: Peter <petermatulis@xxxxxxxx>
- Date: Mon, 10 Apr 2006 00:44:18 -0400 (EDT)
Hi everyone. I am having trouble adding a IDE 300 GB Maxtor to my 6.0
system. It is recognized as ad2. Here is dmesg:
ad0: 39205MB <Maxtor 6K040L0 NAR61HA0> at ata0-master UDMA133
ad1: 190782MB <Seagate ST3200826A 3.03> at ata0-slave UDMA100
ad2: 286188MB <Maxtor 6L300R0 BAJ41G20> at ata1-master UDMA133
I want to devote the entire disk to FreeBSD and use a single slice and
partition and mount it on directory /images.
This is what happened:
# dd if=/dev/zero of=/dev/ad2 bs=1k count=64
64+0 records in
64+0 records out
65536 bytes transferred in 0.005377 secs (12188086 bytes/sec)
# fdisk -B -I /dev/ad2
******* Working on device /dev/ad2 *******
fdisk: invalid fdisk partition table found
fdisk: Geom not found
# bsdlabel -w -B /dev/ad2s1
# fdisk ad2
******* Working on device /dev/ad2 *******
parameters extracted from in-core disklabel are:
cylinders=581463 heads=16 sectors/track=63 (1008 blks/cyl)
Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=581463 heads=16 sectors/track=63 (1008 blks/cyl)
Media sector size is 512
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 1 is:
sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
start 63, size 586114641 (286188 Meg), flag 80 (active)
beg: cyl 0/ head 1/ sector 1;
end: cyl 854/ head 15/ sector 63
The data for partition 2 is:
<UNUSED>
The data for partition 3 is:
<UNUSED>
The data for partition 4 is:
<UNUSED>
# bsdlabel ad2s1
# /dev/ad2s1:
8 partitions:
# size offset fstype [fsize bsize bps/cpg]
a: 586114625 16 unused 0 0
c: 586114641 0 unused 0 0 # "raw" part,
don't edit
Now shouldn't I have some values in the first (a:) row?
Anyway, when I try to create a filesystem with newfs I get an error:
# newfs /dev/ad2s1a
..., 450493504, 450869856, 451246208,newfs: wtfs: 65536 bytes at sector
451622560: Input/output error
Now please let me know if my method is sound. I feel the drive size is
not being properly recognized and that
the last command is trying to write past the edge of the disk. I would
also like to not be using s1a but s1e instead.
Furthermore, the docs [1] for this drive say that an 80-wire cable is
required. I didn't have one handy so I had to
use a 40-wire cable. Could this be causing the trouble?
Thanks for any insights (I have a hell of a time working with disks on
FreeBSD).
--
Peter
[1] http://www.maxtor.com/portal/site/Maxtor/menuitem.5d2b41d3cef51dfe29dd10a191346068/?channelpath=/en_us/Support/Product%20Support/Desktop%20Storage/DiamondMax%20Family/DiamondMax%2010
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