Date: Tue, 25 Feb 1997 14:20:36 -0800 (PST) From: Burton Sampley <burton@bsampley.vip.best.com> To: questions@freebsd.org Subject: Another ? about Fujitsu M1638TAU drive Message-ID: <Pine.BSF.3.91.970225135057.6997B-100000@bsampley.vip.best.com>
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I finally was able to get the 2.5 gig EIDE Fujitsu drive labeled and
newfs'ed. I finally called Fujitsu and spoke to customer service and
determined there was a problem with the hardware. I returned the drive
for a new one.
I also located the FAQ about adding a new drive using /stand/sysinstall.
The new drive works, but later I examined the disklabel and I can not
figure out how or why this drive now works! The geometry reported by
disklabel is no where near the correct geometry, however the drive can now
read and write without crashing the system (3.0-current and only a
hardboot would recover). I've attached a copy of the disklabel for this
drive. Can somebody let me know if this is something I should be worried
about because the primary purpose of this drive is to store a backup copy
of my primary drive?
[NOTE: dump was only done AFTER /stand/sysinstall setup the disk.
Disklabel and fdisk reported the same info about the drive BEFORE I
attempted dump]
I have already done (the drive in question is mounted as /backup):
dump 0auf /backup/bk1_root.970224 /
dump 0auf /backup/bk1_var.970224 /var
dump 0auf /backup/bk1_usr.970224 /usr
dump exits successfully after completing. I can read the directory ok, I
even did mkdir 970224 and mv'ed all three files to it.
The correct geometry (per Fujitsu) is 4982 cylinders, 16 heads, 63 SCT.
(FYI: the correct geometry is reported by both BIOS and the initial probe
on startup (here's the appropriate info from dmesg:)
wdc0 at 0x1f0-0x1f7 irq 14 on isa
wdc0: unit 0 (wd0): <WDC AC21600H>
wd0: 1549MB (3173184 sectors), 3148 cyls, 16 heads, 63 S/T, 512 B/S
wdc0: unit 1 (wd1): <FUJITSU M1638TAU>
wd1: 2452MB (5021856 sectors), 4982 cyls, 16 heads, 63 S/T, 512 B/S
wdc1 at 0x170-0x177 irq 15 on isa
wdc1: unit 0 (atapi): <CD-ROM CDU311/3.0i>, removable, accel, dma, iordis
Here's what disklabel thinks:
bash$ disklabel -r /dev/rwd1
# /dev/rwd1:
type: ESDI
disk: wd1s1
label:
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 255
sectors/cylinder: 16065
cylinders: 312
sectors/unit: 5021856
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: 5021856 0 unused 0 0 # (Cyl. 0 - 312*)
e: 5021856 0 4.2BSD 0 0 0 # (Cyl. 0 - 312*)
bash$
Here's what fdisk reports:
bash# fdisk /dev/rwd1
******* Working on device /dev/rwd1 *******
parameters extracted from in-core disklabel are:
cylinders=524 heads=152 sectors/track=63 (9576 blks/cyl)
parameters to be used for BIOS calculations are:
cylinders=524 heads=152 sectors/track=63 (9576 blks/cyl)
Media sector size is 512
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 0 is:
sysid 165,(FreeBSD/NetBSD/386BSD)
start 0, size 5021856 (2452 Meg), flag 80
beg: cyl 0/ sector 1/ head 0;
end: cyl 312/ sector 63/ head 151
The data for partition 1 is:
<UNUSED>
The data for partition 2 is:
<UNUSED>
The data for partition 3 is:
<UNUSED>
bash#
her's output from df -k:
bash# df -k
Filesystem 1K-blocks Used Avail Capacity Mounted on
/dev/wd0a 31775 24483 4750 84% /
/dev/wd0s1f 1411583 1094459 204198 84% /usr
/dev/wd0s1e 63567 14231 44251 24% /var
/dev/wd1s1e 2435758 1222906 1017992 55% /backup
procfs 4 4 0 100% /proc
/dev/wcd0c 640690 640690 0 100% /cdrom
bash#
Thanks for the help.
Burton Sampley
Email: bsampley@best.com
Alternate Email: bsampley@haywire.csuhayward.edu
Home Page: http://www.best.com/~bsampley
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