Managing battery relearn cycles on LSI and similar RAID controllers

Just recently I read an article by one of Godaddy’s engineers about this very topic: Learning to Deal with Learning On their hardware (Dell PERC cards) battery learning cycle happens every 90 days, but no way to know when exactly it’ll happen, ie during peak or off-peak hours. They talked about different solutions: Outright disable … Read more

How to monitor the hard disk status behind Dell PERC H710 Raid Controller with CentOS 6?

S.M.A.R.T. is not the final word in disk or storage monitoring!! It’s a component, but modern RAID controllers use it along with other methods to determine drive and array health. I’m assuming this is a PERC controller in a Dell PowerEdge server. The normal Linux-friendly approach to health monitoring of Dell hardware is to install … Read more