At 05:59 AM 7/30/2005, J.D. Bronson wrote:
# /dev/da0s1:
type: SCSI
disk: da0s1
label:
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 255
sectors/cylinder: 16065
cylinders: 2234
sectors/unit: 35889147
rpm: 15000
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]
a: 1048576 0 4.2BSD 2048 16384 8
b: 2097152 1048576 4.2BSD 2048 16384 28552
c: 35889147 0 unused 0 0 # "raw" part,
don't edit
d: 16777216 3145728 4.2BSD 2048 16384 28552
e: 8388608 19922944 4.2BSD 2048 16384 28552
f: 2097152 28311552 4.2BSD 2048 16384 28552
g: 2097152 30408704 4.2BSD 2048 16384 28552
h: 3383291 32505856 4.2BSD 2048 16384 28552
...This is on a FreeBSD 5.4 machine with a Fuji 15K 18GB scsi drive.
Does this disklabel look right? (28553 bps/cpg?)
I just checked the source for newfs, and my previous reply was
correct. Here's the relevant code that put's that number in the label:
if (pp != NULL) {
pp->p_fstype = FS_BSDFFS;
pp->p_fsize = sblock.fs_fsize;
pp->p_frag = sblock.fs_frag;
pp->p_cpg = sblock.fs_fpg;
}
The last line is the one that inserts that number. sblock.fs_fpg is the
number of frags per cylinder grounp.
-Glenn
thanks!
--
J.D. Bronson
Information Services
Aurora Health Care - Milwaukee, Wisconsin
Office: 414.978.8282 // Fax: 414.314.8787
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