Re: JFS Log
From: Hunter, Mark (Mark.Hunter_at_ANHEUSER-BUSCH.COM)
Date: 01/12/04
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Date: Mon, 12 Jan 2004 10:50:06 -0600 To: aix-l@Princeton.EDU
You have several options.
First, I believe you can simply:
migratepv -l ${name of your jfslog} ${failing pv name} ${good pv name}.
If you have space, you could even just migrate the entire pv to the new drive...
If not, you should be able to mklvcopy the jfslog to another drive, then
rmlvcopy off the bad drive.
But to answer your actual question, yes, you can create a new jfslog on another
drive and direct all your filesystems to it. I wouldn't, but here is how:
1. mklv -t jfslog -c1 -y jfslog_new volumegroupname diskname
2. logform /dev/jfslog_new, answer yes. You now have a valid second jfs log.
3. for each filesystem using the old jfs
do
umount the filesystem
chfs -a log=/dev/jfslog_new
mount the filesystem
done
4. Then rmlv the original jfslog.
Mark Hunter
-----Original Message-----
From: glh@DAIRYNET.COM [mailto:glh@DAIRYNET.COM]
Sent: Monday, January 12, 2004 9:40 AM
To: aix-l@Princeton.EDU
Subject: JFS Log
I've got a failing disk which contains a jfslog for the volume group. This
is the only jfslog for this volume group. Is there a way for me to
allocate a new jfslog (on a different drive) for this volume group so that
I can replace the failing drive?
Gary Heilman
Dairyland Power Cooperative
608-787-1408
glh@dairynet.com
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