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I have a new Linux, Suse 10.2, with no LVMs yet. There are three drives, each used completely. One is mounted as /, the second as /usr and the third as /usr/lib. /usr is near being full. I plan to add another drive to my system. Can I create an LVM with /usr as one of the physical drives and the new drive as the second? Will I have to backup /usr and then restore after creating the LVM?
Thanks, I did fail to mention that my SuSE zLinux 10.2 is running on an IBM Mainframe under zVM with 3390 Mod 3 DASD, disk drives. Each drive is a whopping 2.3G. So that is why /usr is near full. LVM is the only way to add additional space to the file system. I have three drives currently configured as I mentioned earlier.
Could I add another drive as a one volume LVM, copy /usr to it, then format the original drive then add it to the newly created LVM?
I am fairly new to zLinux. If I can do it that way, will I need to make changes to /etc/fstab?
I'm surprised it wasn't LVM to start with - was this installed using the "Cookbook" redbook ??. Doesn't look like it. Even so, a mod-3 should be plenty for /usr normally I would think.
But yes, if you only have mod-3's, you're going to have to do something like you suggested. See if you can steal a mod-9 or two. Yes the fstab will need to be modified to agree.