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Technology Blog

Removing DRBD Devices and Volumes from Highly Available NFS

In working through attempting to add a new volume without causing an outage with a highly available NFS setup I had to come up with a methodology to remove the DRBD device to effectively rinse and repeat until we came up with the right steps. Below outlines the steps to remove a DRBD block device/volume.…
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Adding a block device to DRBD with Corosync and Pacemaker for use with Highly Available NFS

Over the past few weeks I have been working with DRBD, Corosync and Pacemaker and adding addition block devices to DRBD to create new volumes and noticed that there was no solid methodology or steps to complete this task but after some trial and error I came up with steps to avoid taking an outage…
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Site to Site VPN using Asus Merlin Router and Unifi USG-Pro4

Site to Site VPN using Asus Merlin Router and Unifi USG-Pro4 I decided recently to replace my Asus RT-N66U. It served me well over many years but I had become frustrated that Asus had stopped patching and maintaining the firmware. I also noticed over time strange things would occur at times with the Asus Router.…
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