Date: Wed, 12 Mar 1997 10:40:08 -0800 (PST) From: "kevin_eliuk@sunshine.net" <root@sunshine.net> To: FreeBSD-questions <FreeBSD-questions@freebsd.org> Subject: Are my IDE parameters set correctly? Message-ID: <Pine.BSF.3.91.970312093921.1232A-100000@kevin.sunshine.net>
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Hello again,
Could anyone please comment on these outputs on my Maxtor IDE drive?
I am confused because after having system failures resulting from read
errors I searched for current FAQS and through Question Archives and I am
not sure if the fsize and bsize in disklabel should be set differently or
remain as is.
* Note: System running with Ontrack Disk Manager 7.02
kevin# fdisk
******* Working on device /dev/rwd0 *******
parameters extracted from in-core disklabel are:
cylinders=526 heads=64 sectors/track=63 (4032 blks/cyl)
parameters to be used for BIOS calculations are:
cylinders=526 heads=64 sectors/track=63 (4032 blks/cyl)
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 0 is:
sysid 84,(unknown)
start 9, size 2120823 (1035 Meg), flag 80
beg: cyl 0/ sector 10/ head 0;
end: cyl 55/ sector 63/ head 15
The data for partition 1 is:
<UNUSED>
The data for partition 2 is:
<UNUSED>
The data for partition 3 is:
<UNUSED>
kevin# disklabel -r /dev/rwd0s3
# /dev/rwd0s3:
type: ESDI
disk: wd0s3
label:
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 64
sectors/cylinder: 4032
cylinders: 316
sectors/unit: 1274112
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]
a: 65536 0 4.2BSD 0 0 0 # (Cyl. 0 - 16*)
b: 41120 65536 swap # (Cyl. 16*- 26*)
c: 1274112 0 unused 0 0 # (Cyl. 0 - 315)
e: 61440 106656 4.2BSD 0 0 0 # (Cyl. 26*- 41*)
f: 1106016 168096 4.2BSD 0 0 0 # (Cyl. 41*- 315*)
kevin# newfs -N /dev/rwd0s3
/dev/rwd0s3: 65536 sectors in 16 cylinders of 1 tracks, 4096 sectors
32.0MB in 1 cyl groups (16 c/g, 32.00MB/g, 7680 i/g)
super-block backups (for fsck -b #) at:
32,
I'm not sure if this is the source of the problem or if this is a common
limitation with my particular drive. Any and all comments welcome.
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