Thread View: fj.sys.sun
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Started by Kohjin Yamada
Mon, 11 Jan 1993 09:39
format.dat for Seagate ST42400N Elite-2
Author: Kohjin Yamada
Date: Mon, 11 Jan 1993 09:39
Date: Mon, 11 Jan 1993 09:39
10 lines
620 bytes
620 bytes
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*------/|-------* $@EEOC(J:0468-75-6750 FAX:0468-76-1176
Re: format.dat for Seagate ST42400N Elite-2
Author: I'm manager
Date: Tue, 12 Jan 1993 00:57
Date: Tue, 12 Jan 1993 00:57
310 lines
13321 bytes
13321 bytes
$@?{!w(J$@%"%I%P%s%F%9%H$G$9!#(J
info.sun-managers$@$+$i$N0zMQ$K$J$j$^$9!#(J
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From: kutvonen@cs.Helsinki.FI (Petri Kutvonen)
Newsgroups: info.sun-managers
Subject: SUMMARY: Seagate ST42400N/ND "Elite 2"
Message-ID: <9207231216.AA26931@hydra.Helsinki.FI>
Date: 23 Jul 92 20:46:00 GMT
Sender: daemon@cs.utexas.edu (The devil himself)
Reply-To: kutvonen@cs.Helsinki.FI (Petri Kutvonen)
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This was my original request about the Seagate ST42400 disk:
>Does anyone have a format.dat entry for the new 2.129 GB
>Seagate ST42400N/ND (Elite 2) disk?
>
>Thanks. I'll summarize (after actually formatting a few disks).
I got suprisingly few answers (except the usual "me too" requests).
This is what we are now using on three disks:
disk_type = "Seagate ST42400N" \
: ctlr = SCSI : fmt_time = 4 \
: trks_zone = 19 : asect = 6 : atrks = 19 \
: ncyl = 2622 : acyl = 2 : pcyl = 2624 : nhead = 19 : nsect = 83 \
: rpm = 5400 : bpt = 55440
...
partition = "Seagate ST42400N" \
: disk = "Seagate ST42400N" : ctlr = SCSI \
: a = 0, 39425 : b = 25, 197125 : c = 0, 4134894 : g = 150, 3898344
This is based on information that I received from Wolfgang Woelker
<woelker@tnt.uni-hannover.de>, Universitaet Hannover. Special thanks to him!
This corresponds to actual geometry of the disk. Ofcourse it would be
possible to squeeze a few sectors more out of the disk by using some
other values.
Here are the specifications for ST42400N/ND:
Interface Fast SCSI-2
Total capacity -- bytes (unformatted) 2501187360
Bytes per track (unformatted) -- Inner track 42000
Outer track 55400
Formatted capacity -- bytes (512-byte sectors) 2129644544
Recording heads used 19
Servo heads 1
Physical heads per surface 1
Cylinders per head/disc assy 2627
Cylinders available to user 2624
Spare cylinders 1
System cylinders 1
Diagnostic cylinders 1
Spare sectors per cylinder 6
Modulation 2,7 code
SCSI transfer rate, burst 10.0 Mbytes/sec max
Seek time -- Typical full 22.5 msec
Typical average 11 msec
Typical one-track 1.7 msec
Latency -- Average 5.55 msec
Maximum 11.17 ms
Petri Kutvonen University of Helsinki kutvonen@cs.Helsinki.FI
Department of Computer Science +358 0 7084216
Summary-line: 15-Sep r!edsdrd!srr@uunet.UU.NET #Seagate ST42400N
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From: edsr!edsdrd!srr@uunet.UU.NET (Steve Remsing)
Newsgroups: info.sun-managers
Subject: Seagate ST42400N
Message-ID: <9209151255.AA13510@starbase.eds.com>
Date: 15 Sep 92 12:55:35 GMT
Sender: sun-managers-relay@ra.mcs.anl.gov
Reply-To: edsr!edsdrd!srr@uunet.UU.NET (Steve Remsing)
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Hardware: Sun 4/380 with
a Seagate ST42400N SCSI disk drive (2.5 GB unformatted) and
a Fujitsu M2263SA SCSI disk drive (boot disk, terminated)
OS Level: SunOS 4.1.2
Our problem:
We are encountering problems while trying to install the ST42400N drive.
The ST42400N drive formats w/o errors, but consistently fails and aborts
during the first surface analysis pass at cylinder 1330 with the following
error message:
Assertion failed: file "ctrl_scsi.c", line 2331
Additional information:
This drive was originally formatted on the 4/380 under SunOS 4.1.1. The format
and surface analysis completed without any problems and we were able to create
filesystems on the drive.
We have two of these Seagate ST42400N drives and encounter the same error on
both drives.
Moving either of these drives to an SS2 at SunOS 4.1.2 enables us to complete
the formatting and two surface analysis passes without errors.
We are using the following format.dat entry obtained from sun-managers:
disk_type = "Seagate ST42400N" \
: ctrl = SCSI : fmt_time = 4\
: trks_zone = 19 : asect = 6 : atrks = 19 \
: ncyl = 2622 : acyl = 2 : pcyl = 2624 : nhead = 19 : nsect = 83 \
: rpm = 5400 : bpt = 55440
partition = "Seagate ST42400N" \
: disk = "Seagate ST42400N" : ctrl = SCSI \
: a = 0, 39425 : b = 25, 197125 : c = 0, 4134894 : g = 150, 3898344
Has anyone else seen this problem? Are we missing a patch for the sun4 arch?
Any help would be appreciated.
------
Steve Remsing Internet: srr@edsdrd.eds.com
EDS Research & Development UUCP: ...!uunet!edsr!edsdrd!srr
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From: edsr!edsdrd!srr@uunet.UU.NET (Steve Remsing)
Newsgroups: info.sun-managers
Subject: SUMMARY: Seagate ST42400N
Message-ID: <9209171253.AA01297@starbase.eds.com>
Date: 17 Sep 92 12:53:23 GMT
Sender: sun-managers-relay@ra.mcs.anl.gov
Reply-To: edsr!edsdrd!srr@uunet.UU.NET (Steve Remsing)
Followup-To: poster
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Thanks to all who helped solve the format problem we were having. Here is
the summary for anyone who faces the same problem.
The original posting:
---- Begin Included Message ----
Hardware: Sun 4/380 with
a Seagate ST42400N SCSI disk drive (2.5 GB unformatted) and
a Fujitsu M2263SA SCSI disk drive (boot disk, terminated)
OS Level: SunOS 4.1.2
Our problem:
We are encountering problems while trying to install the ST42400N drive.
The ST42400N drive formats w/o errors, but consistently fails and aborts
during the first surface analysis pass at cylinder 1330 with the following
error message:
Assertion failed: file "ctrl_scsi.c", line 2331
Additional information:
This drive was originally formatted on the 4/380 under SunOS 4.1.1. The format
and surface analysis completed without any problems and we were able to create
filesystems on the drive.
We have two of these Seagate ST42400N drives and encounter the same error on
both drives.
Moving either of these drives to an SS2 at SunOS 4.1.2 enables us to complete
the formatting and two surface analysis passes without errors.
We are using the following format.dat entry obtained from sun-managers:
disk_type = "Seagate ST42400N" \
: ctrl = SCSI : fmt_time = 4\
: trks_zone = 19 : asect = 6 : atrks = 19 \
: ncyl = 2622 : acyl = 2 : pcyl = 2624 : nhead = 19 : nsect = 83 \
: rpm = 5400 : bpt = 55440
partition = "Seagate ST42400N" \
: disk = "Seagate ST42400N" : ctrl = SCSI \
: a = 0, 39425 : b = 25, 197125 : c = 0, 4134894 : g = 150, 3898344
Has anyone else seen this problem? Are we missing a patch for the sun4 arch?
Any help would be appreciated.
---- End Included Message ----
I received (at this point) nine replies to this posting. Here are the results:
(the number in parens is the number of people with that reply)
1. Same problem on a Sun 4/490. Format the drive on the SS2 and move it to
the Sun 4/380. (1)
2. Same problem - SunOS 4.1.2 needs a patch. The patch number is 100474-01
the bug ID is 1074337. See number 4 for more details. (6)
3. Same problem on a Sun 4/280 using a VME SCSI controller. The interface
card would drop high-end bits, folding addresses beyond 1.0 GB to lower
addresses. Solution, format on a IPC. (1)
4. This reply came from a drive vendor. This is a well known problem. It
is caused by a problem in reading the defect list that eventually
causes label problems. The bug ID was 1074377 and the Sun patch that
corrects it is 100474-01. This is described in the Sun 4.1.2 release
documentation. (1)
I applied patch 100474-01 and reformatted the drive last night. Everything
worked fine. Thank you to all who replied:
From: uunet!titan.boeing.com!dodge (John Dodge)
From: uunet!noaacrd.Colorado.EDU!hoop (Don Hooper)
From: uunet!arbi.informatik.uni-oldenburg.de!Thomas.Weihrich
From: Dan Butzer <uunet!cranel.com!butzer>
From: uunet!masc38.rice.edu!canuck (Mike Pearlman)
From: uunet!sarah.lerc.nasa.gov!ron (Ron Gaug)
From: uunet!vest.sdata.no!birger (Birger A. Wathne)
From: "Ronald C. Russell" <uunet!ag.auburn.edu!Ronald.C.Russell>
From: uunet!prosun.first.gmd.de!ats (Andreas Schulz)
/********************************************************************/
/* */
/* Steven Remsing | Internet: srr@edsdrd.eds.com */
/* System Administrator | UUCP: ...!uunet!edsr!edsdrd!srr */
/* EDS R&D | Phone: (313)-265-4025 */
/* Troy, MI 48098 | Fax: (313)-265-4039 */
/* */
/* I speak only for myself... */
/* */
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From: jaa101@barton.anu.edu.au (James Ashton)
Newsgroups: info.sun-managers
Subject: ST42400 format.dat entry
Followup-To: junk
Date: 25 Nov 1992 22:36:49 -0600
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Reply-To: jaa101@barton.anu.edu.au (James Ashton)
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I've seen requests for this in the past but archive searches have
revealed no summaries.
My guess at this is:
disk_type = "Seagate ST42400N - Elite 2" \
: ctlr = SCSI : fmt_time = 4 \
: ncyl = 2624 : acyl = 3 : pcyl = 2627 : nhead = 19 : nsect = 83 \
: rpm = 5400 : bpt = 42715
My guesses are derived from a spec sheet table that came with the drive:
fmt_time I left this the same as for the SUN2.1G entry which
looks like a very similar device. I don't think this
is a critical parameter anyway.
pcyl table value `Cylinders per head/disk assembly'
ncyl table value `Cylinders available to user'
acyl pcyl - ncyl
nhead table value `Recording heads used'
nsect `512 byte sectors (4159462)' / nhead / ncyl
rpm table value `Disk Rotation'
bpt `Formatted capacity' / nhead / ncyl
The spec sheet gives unformatted bytes per track as varying between
42000 and 55440. Should I be using an arithmetic mean of these for bpt
rather than that value I've chosen? Similarly the varying sectors per
track means that I've chosen nsect as an average value (rounded down).
Is this the right approach?
______________________________________________________________________________
James Ashton System Administrator
Department of Systems Engineering
Voice +61 6 249 0681 Research School of Physical Sciences and Engineering
FAX +61 6 249 2698 Australian National University
Email James.Ashton@syseng.anu.edu.au GPO Box 4 Canberra ACT 2601 Australia
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