Ceph
Ceph Monitors are laggy or clock might be skewed
This weekend I got to investigate a Ceph cluster which had issues where the Monitors were constantly performing new elections. After some investigation on of
November 16, 2015
This weekend I got to investigate a Ceph cluster which had issues where the Monitors were constantly performing new elections. After some investigation on of
One of the dangers of Ceph was that by accident you could remove a multi TerraByte pool and loose all the data. Although the CLI
If you want to use CentOS 7.1 for your hypervisors with Apache CloudStack and Ceph’s RBD as Primary Storage you need to rebuild libvirt. CloudStack
This week I’m testing a lot with CephFS and one of the things I never tried was re-exporting CephFS using NFS-Ganesha and libcephfs. NFS-Ganesha is
I’m a big fan of Ceph and IPv6, so I always try to deploy Ceph over IPv6 when possible. Ceph is the future, just like
At my hosting company PCextreme we are building a cloud offering based on Ceph and CloudStack. We call our cloud services Aurora. Our cloud services
I like to deploy Ceph clusters over IPv6. I actually think that’s the way forward. IPv4 is legacy just like iSCSI and NFS are. Last
Ceph’s RBD (RADOS Block Device) is just a thin wrapper on top of RADOS, the object store of Ceph. It stripes (by default) over 4MB
So you might wonder: Why do I need to make a backup of my Ceph monitors? I have multiple monitors. That’s true, but would you
As of Ceph version 0.67 (Dumpling) the Ceph Object Gateway aka RADOS Gateway supports regions. This allows you to create a geo-replicated Amazon S3 compatible