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Date:      Tue, 19 Jul 2011 11:45:13 -0700
From:      "Thomas D. Dean" <tomdean@speakeasy.org>
To:        FreeBSD - <freebsd-questions@freebsd.org>
Subject:   Re: Install 8.2-Release AMD64 on Laptop with Raid0
Message-ID:  <1311101113.2262.28.camel@asus>

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I booted the DVD to Fixit and used fdisk.  The output is below.

It looks like, if I want to use ataraid, I install to ad4 and leave ad6
alone.

Correct?

I think I will try ataraid and see what happens.

To use gmirror, I do the same, correct?

tomdean

Fixit# fdisk ad4
******* Working on device /dev/ad4 *******
parameters extracted from in-core disklabel are:
cylinders=1240341 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=1240341 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 7 (0x07),(NTFS, OS/2 HPFS, QNX-2 (16 bit) or Advanced UNIX)
    start 2048, size 407552 (199 Meg), flag 80 (active)
	beg: cyl 0/ head 32/ sector 33;
	end: cyl 25/ head 126/ sector 37
The data for partition 2 is:
sysid 7 (0x07),(NTFS, OS/2 HPFS, QNX-2 (16 bit) or Advanced UNIX)
    start 409600, size 2461452288 (1201881 Meg), flag 0
	beg: cyl 25/ head 126/ sector 38;
	end: cyl 1023/ head 254/ sector 63
The data for partition 3 is:
sysid 7 (0x07),(NTFS, OS/2 HPFS, QNX-2 (16 bit) or Advanced UNIX)
    start 2461861888, size 38447104 (18773 Meg), flag 0
	beg: cyl 1023/ head 254/ sector 63;
	end: cyl 1023/ head 254/ sector 63
The data for partition 4 is:
sysid 12 (0x0c),(DOS or Windows 95 with 32 bit FAT (LBA))
    start 2500308992, size 206848 (101 Meg), flag 0
	beg: cyl 1023/ head 254/ sector 63;
	end: cyl 1023/ head 254/ sector 63
Fixit# disklabel ad4s1
disklabel: /dev/ad4s1: no valid label found
Fixit# fdisk ad6
******* Working on device /dev/ad6 *******
parameters extracted from in-core disklabel are:
cylinders=1240341 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=1240341 heads=16 sectors/track=63 (1008 blks/cyl)

fdisk: invalid fdisk partition table found
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 (0xa5),(FreeBSD/NetBSD/386BSD)
    start 63, size 1250263665 (610480 Meg), flag 80 (active)
	beg: cyl 0/ head 1/ sector 1;
	end: cyl 276/ head 15/ sector 63
The data for partition 2 is:
<UNUSED>
The data for partition 3 is:
<UNUSED>
The data for partition 4 is:
<UNUSED>
Fixit# fdisk ar0
******* Working on device /dev/ar0 *******
parameters extracted from in-core disklabel are:
cylinders=155650 heads=255 sectors/track=63 (16065 blks/cyl)

Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=155650 heads=255 sectors/track=63 (16065 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 7 (0x07),(NTFS, OS/2 HPFS, QNX-2 (16 bit) or Advanced UNIX)
    start 2048, size 407552 (199 Meg), flag 80 (active)
	beg: cyl 0/ head 32/ sector 33;
	end: cyl 25/ head 126/ sector 37
The data for partition 2 is:
sysid 7 (0x07),(NTFS, OS/2 HPFS, QNX-2 (16 bit) or Advanced UNIX)
    start 409600, size 2461452288 (1201881 Meg), flag 0
	beg: cyl 25/ head 126/ sector 38;
	end: cyl 1023/ head 254/ sector 63
The data for partition 3 is:
sysid 7 (0x07),(NTFS, OS/2 HPFS, QNX-2 (16 bit) or Advanced UNIX)
    start 2461861888, size 38447104 (18773 Meg), flag 0
	beg: cyl 1023/ head 254/ sector 63;
	end: cyl 1023/ head 254/ sector 63
The data for partition 4 is:
sysid 12 (0x0c),(DOS or Windows 95 with 32 bit FAT (LBA))
    start 2500308992, size 206848 (101 Meg), flag 0
	beg: cyl 1023/ head 254/ sector 63;
	end: cyl 1023/ head 254/ sector 63





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