I thought I’d write a quick script to keep an eye on which processes/users are using too many cpu cycles on my CentOS server. This checks the usage over the previous 5 minutes and emails a detailed list of cpu-hungry processes if it’s over the defined limit. Run it from cron to… Continue reading
This is a follow up to my previous post dmraid error reporting by email, this time for a hardware raid controller, this one is the 3ware/AMCC 9550SXU-8L. The concept is exactly the same, the only thing different is the script that checks the raid array status. We will be using… Continue reading
dmraid is a software raid/fakeraid/onboard raid tool. As far as I can tell, the only error reporting that dmraid does is by hooking into logwatch – which emails me a very long file I don’t often read and I would like to know immediately if my raid array is degraded…. Continue reading
