Logical Volume Manager makes the dynamic expansion of file systems dead stupid simple. However there is a weakness, if you are using a partitioned file system as your Physical Volume (PV) then you will end up needing to expand the file system if you ever need to grow the actual…
Bash: Automatically Mount File Systems on Volume Group if Present
Update 09/16/2015 – I have published an updated article for this here: http://blog.allanglesit.com/2012/08/bash-automatically-mount-file-systems-on-volume-group-if-present/ In my laptop I have a solid state disk, and frankly I am way past addicted to solid state disks, but what you get in performance you lose in capacity. As such I have had to be creative…
Linux-KVM: Using KVM on Oracle Linux 6
In my new role I am using Oracle Linux more and more, so as an exercise I have been replicating my builds on Oracle Linux. Here we are going to use Oracle Linux 6.2 x86_64 as a KVM hypervisor. Keep in mind that KVM is not Oracle’s preferred hypervisor, however…
Bash: Programmatically Add Entries in fstab
So I have found that it is rather easy to add entries into /etc/fstab while maintaining relatively legible scripts and making the changes with minimal user interaction… METHOD ONE This option is the simplest, we simply echo the line into the file as we want it to appear, then based…
LVM: Using 2TB Volumes for Volume Groups
Occasionally you will have the need to use physical volumes which exceed the limits of the standard DOS partitioning scheme. When you run into this a quick fdisk -l will reveal that you will need a new way to partition your disks. Fdisk will produce output similar to this… Use…