Accessing CephFS over Samba
CephFS is a very versatile, scaleable, distributed file system. I’ve gradually been scaling out my Ceph cluster and now have 65TB across 11 nodes, which in fairness is quite small as Ceph clusters go!...
Author: KingJ
Upgrading a etcd Cluster from Version 2.3 to Version 3.0 on CoreOS Container Linux
The recent 1.6 release of Kubernetes strongly encourages switching etcd to etcd3. However, if you have an existing etcd2 cluster, the documentation CoreOS provides on upgrading it is less than helpful. Although it documents the...
Using Ceph FS Persistent Volumes with Kubernetes Containers
Containers are great, up until you need to persist storage beyond the potential lifetime of the container. In a single Dockerised setup, this might be easily solved through the use of host volumes but that’s...
Baby Jumbo Frames (RFC 4638) with igb-based NICs on pfSense
Baby Jumbo Frames (as defined in RFC 4638) are a pretty useful feature. In short, they allow you to have a standard 1500 byte MTU on PPPoE connections. Normally, due to the 8 byte...
Shrinking Thin-Provisioned ESXi Disks
Thin-provisioned disks can be pretty useful in ESXi. There’s no need to pre-allocate storage or have huge amounts of unused, but allocated, storage sitting idle. However, whilst thin-provisioned disks can semalessly grow themselves, they...
