By default, mdadm performs an automatic integrity check of your RAID once a month (on or after the first Sunday to be precise). If you turn off the system prematurely though, the check will be aborted and started again the next month. If you ever need to start (or stop) a check manually, here are … Read more
I’ve been playing with various configurations of my software RAID and thought I’d start again from scratch. The obvious question then was, how would I remove my previous efforts? This seems to be different depending on the distribution, so here’s what worked for me in Fedora 33. I’m assuming here that my RAID is /dev/md1. … Read more
In my previous article I’ve explained how to setup a software RAID with mdadm. This was a RAID 5 setup with 3 drives, and in this article we’ll take a look how to expand it with a 4th drive, increasing its overall size. Here’s what we’ll do in principle: Getting the new drive ready Let’s … Read more
