Date: Mon, 18 Dec 2000 15:42:31 -0500 From: Trent Nelson <nelsont@wa.switch.aust.com> To: questions@FreeBSD.org Subject: Fdisk query regarding partition flags. Message-ID: <20001218154231.A1750@dhcp103-172-16-3.switch.com>
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Hi,
I have a 9GB drive, ad0, that I partitioned into ad0s1 (4GB) and
ad0s2 (5GB). FreeBSD resides on ad0s2, with Windows 98 on the
former. For some strange reason, after installing FreeBSD
4.1-RELEASE, I did `fdisk -a ad0s1' and changed one of the four
partition entries to being active.
I did this in an attempt to make the Windows 98 partition active. I
now know the error of my ways (`fdisk -a ad0' would have been the
appropriate command) but now I'm stuck with a Win98 partition that I
can't boot (I get the message "Invalid system disk. Replace the
disk, a" (note that it stops at the `a')).
From fdisk:
dhcp-103-172-16-3# fdisk ad0s1
fdisk: can't get disk parameters on /dev/ad0s1; supplying dummy ones
******* Working on device /dev/ad0s1 *******
parameters extracted from in-core disklabel are:
cylinders=1 heads=1 sectors/track=1 (1 blks/cyl)
parameters to be used for BIOS calculations are:
cylinders=1 heads=1 sectors/track=1 (1 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 104,(unknown)
start 1936028272, size 1851859059 (904228 Meg), flag 0
beg: cyl 116/ sector 32/ head 100;
end: cyl 288/ sector 46/ head 101
The data for partition 2 is:
sysid 121,(unknown)
start 1330184192, size 538976288 (263172 Meg), flag 0
beg: cyl 357/ sector 43/ head 32;
end: cyl 0/ sector 10/ head 13
The data for partition 3 is:
sysid 83,(unknown)
start 538989391, size 1398362912 (682794 Meg), flag 0
beg: cyl 345/ sector 19/ head 32;
end: cyl 324/ sector 19/ head 77
The data for partition 4 is:
sysid 73,(unknown)
start 1394627663, size 21337 (10 Meg), flag 80 (active)
beg: cyl 87/ sector 0/ head 1; ^^^^^^^^^^^^^^^^
end: cyl 335/ sector 2/ head 78
FreeBSD dhcp103-172-16-3.switch.com 4.1-RELEASE FreeBSD 4.1-RELEASE #0: Fri Jul 28 14:30:31 GMT 2000 jkh@ref4.freebsd.org:/usr/src/sys/compile/GENERIC i386
How do I make it so that none of the flags are 0x80?
Thanks in advance.
Regards,
Trent.
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