Date: Mon, 01 Apr 2002 17:59:23 -0600 From: Oscar Ricardo Silva <oscars@mail.utexas.edu> To: freebsd-questions@freebsd.org Subject: Mismatch between drive size being reported Message-ID: <5.1.0.14.2.20020401175044.025abf48@mail.utexas.edu>
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I have a machine running FreeBSD 4.5-STABLE. I added a Promise Ultra66
card and connected a Seagate 80GB (ST380021A) drive. dmesg gives the
following:
ata2: at 0xd400 on atapci1
ata3: at 0xdc00 on atapci1
ad0: 12971MB <WDC WD136AA> [26354/16/63] at ata0-master UDMA33
ad4: 76319MB <ST380021A> [155061/16/63] at ata2-master UDMA33
After creating a "dangerously dedicated" partition, and formatting the
drive (mounts as /hold):
> cat /etc/fstab
# Device Mountpoint FStype Options Dump Pass#
/dev/ad0s1b none swap sw 0 0
/dev/ad0s1a / ufs rw 1 1
/dev/ad0s1f /usr ufs rw 2 2
/dev/ad4s1e /hold ufs rw 2 2
proc /proc procfs rw 0 0
I see the following:
> df
Filesystem 1K-blocks Used Avail Capacity Mounted on
/dev/ad0s1a 992239 230333 682527 25% /
/dev/ad0s1f 11130442 2200211 8039796 21% /usr
/dev/ad4s1e 75749460 1 69689503 0% /hold
procfs 4 4 0 100% /proc
or
Filesystem Size Used Avail Capacity Mounted on
/dev/ad0s1a 1016M 236M 699M 25% /
/dev/ad0s1f 11G 2.3G 8.2G 21% /usr
/dev/ad4s1e 78G 1.0K 71G 0% /hold
procfs 4.1K 4.1K 0B 100% /proc
It's been a long day and I'm slow on the draw ... OK, maybe not just today
... but why only 71GB available?
In case it helps, here's the output from fdisk:
> fdisk /dev/ad4
******* Working on device /dev/ad4 *******
parameters extracted from in-core disklabel are:
cylinders=91888 heads=27 sectors/track=63 (1701 blks/cyl)
Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=91888 heads=27 sectors/track=63 (1701 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,(FreeBSD/NetBSD/386BSD)
start 0, size 156301488 (76319 Meg), flag 80 (active)
beg: cyl 0/ head 0/ sector 1;
end: cyl 1023/ head 26/ sector 63
The data for partition 2 is:
<UNUSED>
The data for partition 3 is:
<UNUSED>
The data for partition 4 is:
<UNUSED>
Any information would be appreciated.
Oscar
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