From owner-freebsd-questions  Fri Dec 17 10: 3:43 1999
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From: Anthony Kimball <alk@pobox.com>
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Reply-To: alk@pobox.com
To: questions@freebsd.org
Subject: bad disk label
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This disk is working just fine, but I can't boot from it, as the
loader won't read the slice 3 file systems.  How can I fix the
beginning/ending sector coordinates?

******* Working on device /dev/rwd1 *******
parameters extracted from in-core disklabel are:
cylinders=26354 heads=16 sectors/track=63 (1008 blks/cyl)

Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=26354 heads=16 sectors/track=63 (1008 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 6,(Primary 'big' DOS (> 32MB))
    start 63, size 4194225 (2047 Meg), flag 80 (active)
	beg: cyl 0/ sector 1/ head 1;
	end: cyl 1023/ sector 63/ head 15
The data for partition 2 is:
sysid 130,(Linux swap or Solaris x86)
    start 4194288, size 273168 (133 Meg), flag 0
	beg: cyl 1023/ sector 63/ head 255;
	end: cyl 1023/ sector 63/ head 15
The data for partition 3 is:
sysid 165,(FreeBSD/NetBSD/386BSD)
    start 4467456, size 10619280 (5185 Meg), flag 0
	beg: cyl 1023/ sector 63/ head 255;
	end: cyl 1023/ sector 63/ head 15
The data for partition 4 is:
sysid 131,(Linux filesystem)
    start 15086736, size 11478096 (5604 Meg), flag 0
	beg: cyl 1023/ sector 63/ head 255;
	end: cyl 1023/ sector 63/ head 15


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