Detecting swap usage by Ceph daemons
Detecting swap usage by Ceph daemons TL;DR: In good Ceph architectures we prefer daemons to be killed, instead of being swapped. This behaviour is much more predictable, detectable and usually informs you about where to fix the actual problem. We use this method to detect whether Ceph daemons are being swapped by the kernel. To […]
5 more ways to break your Ceph cluster
While we’ve been working with customers using Ceph in a variety of ways, we have encountered some several ways to break your Ceph cluster. In that light, here is an update on five more ways to break your Ceph cluster as a continuation of the original presentation done by Wido den Hollander which is called; […]