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Date:	Sun, 8 Dec 2002 18:23:21 PST7
From:	sshapiro@ucsd.edu (Sandy Shapiro)
Reply-To:	scoug-help@scoug.com
To:	scoug-help@scoug.com
Subject:	SCOUG-Help: LVM anxieties

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I am trying to learn more about LVM. Mostly I learn from trying things out
and making mistakes, but this time, I didn't learn anything -- and that
makes me anxious.

BACKGROUND
I have a second computer used just for experimenting with stuff like this.
It has two hard drives: Drive 1 has two partitions: DOS and Win XP
Drive 2 has two partitions: eComStation and Linux

System Commander lets me boot into each operating system. But I can only
access eCs from System Commander by going first into Boot Manager. (If I
try to boot directly into eCS I get an error message half way thru the
boot process "Unable to operate your hard disk.")

CURRENT SITUATION
I added a third hard drive and installed Win 98 on it. My son has an old
digital camera that will connect to Win 98 but not to Win XP. (I
disconnected the first two hard drives so Win 98 would install). I then
reconnected the drives and went to System Commander

For some reason, even though System Commander will recognize Win 98 on the
third hard drive, it won't boot. I can boot to Win 98, however, by going
into system BIOS and forcing a boot to Drive E.

PROBLEM
As an experiment, I added the third drive to Boot Manager to see if it
would boot from there (so I wouldn't have to go into BIOS each time). That
doesn't work any better than System Commander -- the screen goes blank and
I face a blinking cursor.

But in the meantime, both partitions on the first drive got wiped out!
When I looked with Partition Magic, drive one was one large partition, and
Boot Manager had installed itself on the third drive making that drive no
longer bootable -- even when changing the BIOS.

As Far As I Know I only made two changes in LVM:
I created a new volume for the third hard drive.
I changed the name of the new volume to Win 98.

I committeed the changes and exited the program (that doesn't mean I
didn't inadvertantly do something else, of course).

QUESTION
I have now restored everything from backups. There is now no problem. I
would like to try LVM again, but I am scared.

Is there somewhere I can get some guidelines for using LVM?
Of should I assume I did something I shouldn't have and maybe try again,
this time being especially careful?

Thanks,
Sandy

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