Skip to main content

Adding A New Disk To A RAID Array part 2

I have added the new disk and the RAID array is finished syncing, now what?

You can check the result of the RAID sync with:

$sudo mdadm --detail /dev/md127
##Note the array size.

OR

In my case, I'm using logical volume management LVM.

$sudo pvdisplay
##Note the PV size

The PV size is what you can work with. In my case I want to allocate the free space to two logical volumes. I want to add 300GB to my Music lv and the rest to my Videos lv.

$sudo lvextend -L +300G /dev/ubuntu-vg/Music-lv
##This will add 300 GB to my Music-lv.

$sudo lvextend -l +100%FREE /dev/ubuntu-vg/Videos-lv
##This will add the rest of the free space left to my Videos-lv.

We still need to extend the filesystem to the added space. I have ext4 filesystem.

$sudo resize2fs /dev/ubuntu-vg/Music-lv
##This extends the filesystem to the added space.

$sudo resize2fs /dev/ubuntu-vg/Videos-lv
##This extends the filesystem to the added space.

Check the results.

$df -h
[donato@archdesktop ~]$ df -ht ext4
Filesystem                         Size  Used Avail Use% Mounted on
/dev/mapper/vol1-root               30G   18G   11G  62% /
/dev/mapper/vol1-home              174G   27G  138G  17% /home
/dev/mapper/ubuntu--vg-Music--lv   591G  210G  355G  38% /home/donato/Music
/dev/mapper/ubuntu--vg-Videos--lv  2.2T  1.1T  1.1T  51% /home/donato/Videos

Comments

Post a Comment

Popular posts from this blog

Password Issues On Ubuntu Login

I found myself unable to enter my login credentials when prompted to do so in Ubuntu. I think I might have changed it then forget about it. I've been running the current session for more days than I should have. I forget. So what's the solution to my problem. How do I get in to my system now? It involved getting into the grub menu somehow. I am uncertain as to how to do that exactly in your system. So there's a couple of ways to do it (finger's crossed). When booting at system start, use the esc key or the shift key. The first one worked for me. The timing is key. Wait until the bios banner shows then hit the esc key once. I am using Ubuntu 22.04.4 here. I have a current version of grub. The grub menu will give you options and the one you want is: root. Yes you want root privileges to set the root password. It should give you a terminal access where you can issue commands. Type: #mount -rw -o -s remount / ==> this command mounts the filesyste...
Post a Comment
Read more

Pacman Has to Get Better

I finally got my printers working. I got cups (and cupsd in the /etc/rc.conf) I installed hpoj and a group of printer drivers. So to get my Arch linux to recognize there's a usb printer connected to my system I have to run a daemon (ptal-init setup) and include it in /etc/rc.conf. That finally enabled (after a reboot) my GNOME control center to acknowledge that there is indeed an HP-3900 at the end of my usb port. The real personal story behind my saga with a printer is pacman. It is now throwing 'network not reachable' everytime I start it. Every download and sync. I ran --debug and ping ip addresses and so far I will conclude that it's a really really slow ftp server. The server is so slow pacman is timing out connections. It's unusable guys. My first rolling release distro and I've decided that Arch rises and falls with the performance of their package manager. Great distro for the DIY community. But sorry I can't recommend Arch linux to my mother who jus...
Post a Comment
Read more

Webapps in Unity

So it has been 4 months since Ubuntu 14.04 came out. This is LTS and supported for 6 years by Canonical. The first mobile device with Ubuntu pre-installed is promised to come out later this year, 2014. It's time to check out how the apps perform so far. It is a good idea. I use Gmail and Twitter and Facebook. Why not a webapp in a desktop? So I start the Twitter and Gmail webapp. So far it has crashed my computer 6 times. Not a very good sign. On the other hand it does work but not as stable as opening them in Firefox. -- Use my PGP key if you want to encrypt your replies/messages to me. You are invited to also send me your PGP keys so we can communicate in private.
Post a Comment
Read more