How to resize the / LVM under Fedora 6, or remove the /home mount & make new one?
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When I attempt to use that LVM gui tool in Fedora, I get an error indicating that I can not unmount the / partition to perform the operation.
Ideally, I'd like to just replace the existing /home directory with this new 800GB disk that I've added. However, if I could just extend the / LVM to use the extends in the new drive that has been added to /dev/VolGroup00/LogVol00, that'd be cool.
The problem with the former, replacing the /home mount point, is that I've got no idea how to do it with this LVM stuff. There are no individual mount points listed under /dev/VolGroup00/LogVol00 that I can see.
The problem with the later is that when I create a new Logical Group and Volume, then mount it to /home, I've got two /home mounts and that causes odd functionality.
Distribution: Distribution: RHEL 5 with Pieces of this and that.
Kernel 22.214.171.124, KDE 3.5.8 and KDE 4.0 beta, Plu
You just create a 2nd LVM partition then create a logical volume within. Then use the lvm tools to merge the two together and configure as needed. Not an LVM user but there are many post on that here from a quick search I did.
First, I'm not gifted at understanding all of the various Linux file systems. Generally, I install by manually configuring things...
So, the reason I have a problem with /home mount stuff is that I'm getting and odd error when I attempt to perform a useradd. I don't remeber the specific text, but the basics are that there is some form of conflict that prevents the user files from being written.
Originally, I just created an 800GB new VG/LV and told the new volume to mount to /home... and that's when I got that error with the useradd.
So I went back to the drawing board to add the additional hard disk to the original root (/) VG/LV.
Does that make any sense?
My assumption was that for some reason the new /home mount was conflicting with the old one. However, since I don't see anything other than a / mount... I'm not really sure what you do to fix this issue...
Last edited by gerhardbartsch; 03-05-2007 at 06:40 PM.
But when I re-installed Debian Woody recently on my old computer, it had been a long time since the last time I installed it, a few years back and forgot how to set up the partitions (not very explicit instructions). Anyway, after install I found /home was part of / and not the separate /home partition previously used/shared with other Linux distros on this multi-boot. So this web page (blog) below is what I followed to move it. First you probably know that the new drive should have a partition made and formatted. I don't believe it has to be LVM, it could be ext3fs. And an entry in fstab for the drive.
I guess the simplest thing to do was to move the / based home directory. So I performed a "mv home home.old" command, and the created a new Logical Volume Group and Logical Volume. I then told the LVM manger to mount the LV to /home... and now I don't have any problems or errors when I create a new user or group.
Now, the reason I'm still using LVM is that I've got FC6 running in VMware ESX 3 off a fiber channel SAN. So if I need to add more than 800GB in the future, the LVM for the /home mount can easily be extended since I no longer would have to umount the / partition.
Live and learn I guess. I would have thought that it would be easy to extend the / volume, but it's a real PITA. I did load knoppix, but since my understanding of the actual use of the tools is limited, I opted for the easier solution above.