On my lab machines I use a pair of physical disks, configured in a RAID 1 with MD, with LVM on top of that. This gives me a lot of flexibility with full redundancy. However recently I had a failure of a drive. Identify the Failure Here is what MD…
Bash: Dynamic Volume Group Mounter
This is similar, but an enhanced version of my custom_mount.sh previously published here: Bash: Automatically Mount File Systems on Volume Group if Present. This previous version was just a simple init script. This updated version is designed for newer Linux distributions that use Systemd instead of Init. The Code The majority…
Linux KVM: Bridging a Bond on CentOS 6.5
Today we are going to hop back into the KVM fray, and take a look at using CentOS as a hypervisor., and configuring very resilient network connections to support our guests. Of course these instructions should be valid on Red Hat Linux and Oracle Linux as well, though there is…