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Date: 17 Mar 1998 13:13:11 -0000
From: woju@freebsd.ee.ntu.edu.tw
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Subject: misc/6042: disklable editor problem of boot.flp
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>Number:         6042
>Category:       misc
>Synopsis:       problem of disklable editor in boot.flp
>Confidential:   yes
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:
>Keywords:
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Mar 17 05:20:00 PST 1998
>Last-Modified:
>Originator:     woju
>Organization:
	Nation Taiwan University
	Electrical Engineering
>Release:        FreeBSD 2.2.6-BETA i386
>Environment:

	

2.2.6-980315-BETA

FreeBSD 2.2.6-BETA #0: Mon Mar 16 14:23:31 CST 1998
CPU: Pentium (120.27-MHz 586-class CPU)
  Origin = "GenuineIntel"  Id = 0x525  Stepping=5
  Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
real memory  = 33554432 (32768K bytes)

>Description:

	

	Booting from
ftp://releng22.freebsd.org/pub/FreeBSD/2.2.6-980315-BETA/floppies/boot.flp
In the main menu, select configure -> disk label editor
It does not recognize the old(existing) disk lables, and report the whole
slice is free.

For example:
freebsd[woju]:~$ df
Filesystem  1K-blocks     Used    Avail Capacity  Mounted on
/dev/wd2s1a    194719   107911    71231    60%    /
...

When booting from boot.flp, select disklabel editor, it would treat 
wd2s1 as new slice, and report the whole size as free space, ignoring
the existing wd2s1a(and other existing labels in the wd2s1).

The problem make it diffcult to "upgrade" existig system via install
new systems (overwrite or replace the old systems). Also, it may cause
"large, whole" data lose easily due to the mis-report of "free space"
in the existing slice.

>How-To-Repeat:

	

booting from
ftp://releng22.freebsd.org/pub/FreeBSD/2.2.6-980315-BETA/floppies/boot.flp
select 
configure -> disk label editor

>Fix:
	
	

>Audit-Trail:
>Unformatted:
	yes

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