How we use Ceph-Collect to work with you
When we work on Ceph storage infrastructures, we always ask to run a diagnostic tool first. For running these diagnostics, we have developed a tool, which is called Ceph-Collect. The tool is used to gather information from a Ceph cluster. After it runs, it shows an in dept report about the storage architecture together with […]
How to handle large omap objects
Every once in a while a customer will ask me what to do with these messages: health: HEALTH_WARN1 large omap objects First let’s see what this means: Most of the time when seeing the large omap warning is in relation to the RGW workload. The RGW or Rados Gateway provides a S3 and/or SWIFT compatible […]
The Ceph Trafficlight
At PCextreme we have a 700TB Ceph cluster which is used behind our public cloud Aurora Compute which runs Apache CloudStack. Ceph health One of the things we monitor of the Ceph cluster is it’s health. This can be OK, WARN or ERR. It speaks for itself that you always want to see OK, but […]