Date: Mon, 10 Feb 2003 23:52:13 -0500 (EST) From: Pete Toscano <pete-freebsd-pr@toscano.org> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/48165: Problem accessing /dev/ar2 with disklabel Message-ID: <200302110452.h1B4qDZV012266@archive.toscano.org>
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>Number: 48165
>Category: kern
>Synopsis: Problem accessing /dev/ar2 with disklabel
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Feb 10 21:00:27 PST 2003
>Closed-Date:
>Last-Modified:
>Originator: Pete Toscano
>Release: FreeBSD 4.7-STABLE i386
>Organization:
>Environment:
System: FreeBSD archive.toscano.org 4.7-STABLE FreeBSD 4.7-STABLE #8: Sat Jan 4 08:37:10 EST 2003 root@:/usr/obj/usr/src/sys/ARCHIVE i386
600MHz PIII
Promise ATA100 controller
Promise TX2 ATA133 controller
3 IBM 30G hard drives, identical models.
>Description:
3 IBM hard drives, A, B, and C. A contains the OS info and
MP3s and digital pictures. B and C are to be made into a Vinum
mirrored RAID volume. In order to sent this up, I need to a) create
one big slice on both B and C and b) change the fstype label to
"vinum" with "disklebel -e". I created, formatted, and mounted the
slices just fine, but when it comes to editing the fslabel on
/dev/ar2, I get the following response upon saving and exiting vi:
====================
disklabel: Operation not supported by device
====================
Whenever I try to show the ar2 disklabel, this is what I get:
====================
# /dev/ar2:
type: unknown
disk: amnesiac
label: fictitious
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 255
sectors/cylinder: 16065
cylinders: 3737
sectors/unit: 60036417
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: 60036417 0 unused 0 0 # (Cyl. 0 - 3737*)
====================
The strange thing is, I get the result no matter how B and C are
connected or what order they are in. I could have A being the
master on IDE1 (which it always is, so I'm not repeating this), B
being the slave on IDE1, and C being the master on IDE2 on the ATA100
card. I could flip B and C. I could have C being the master on IDE2
with B being the slave. B could be master on IDE1 on the ATA133 card
and C the master on IDE2 on the ATA133 card... Whatever the order,
whatever the interface, whatever the card, whatever drive is the
third to be enumerated by the OS (as /dev/ar2), that drive shows
the above disklabel output. Whatever drive is enumerated second (i.e.,
/dev/ar1) works fine with disklabel. (FWIW, I've replaced cables with
known good ones too.)
>How-To-Repeat:
disklabel [-e] ar2
>Fix:
None
>Release-Note:
>Audit-Trail:
>Unformatted:
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