DRBD/LINSTOR vs Ceph – a technical comparison

The aim of this article is to give you some insight into CEPH, DRBD and LINSTOR by outlining their basic functions. The following points should help you compare these products and to understand which is the right solution for your system. Before we start, you should be aware of the fact that LINSTOR is made […]

Cheap Votes: DRBD Diskless Quorum

One of the most important considerations when implementing clustered systems is ensuring that a cluster remains cohesive and stable given unexpected conditions. DRBD already has fencing mechanisms and even a system of quorum, which is now capable of using a diskless arbitrator to break ties without requiring additional storage beyond that of two nodes. Quorum […]

Key/Value Store in LINSTOR

Recently we introduced a Key/Value store in LINSTOR and exposed it in a developer-friendly way in the Python API (python-linstor). The first question is why would one want such a Key/Value store in LINSTOR when there are many high performance implementations such as etcd. The request for a K/V store was mainly driven by LINSTOR […]