Software Defined Storage [SDS] (Ceph : is open source and unified storage…
Software Defined Storage [SDS]
: is open source and unified storage solution
Ceph Monitors (MON)
: monitors the cluster state.
Ceph Metadata Server (MDS)
: only needed by CephFS, to store file hierarchy and metada for files
Object Storage Device (OSD)
: user content is written to and retrieved with read operations. One OSD daemon is typically tied to one physical disk in the cluster.
Reliable Autonomic Distributed Object Store (RADOS)
: performs operations like - replication, failure detection, recovery, data migration, and rebalancing across the clusters
Free and Open Source
is an open-source container data volume manager for your Dockerized applications. Manages Docker containers and data volumes together.
is designed to work with existing container tools like
Docker Compose, Docker Swarm, Kubernetes, and Mesos
Diagram of the Flocker Architecture
Supported Storage Options for Flocker
AWS Elastic Block Storage (EBS)
EMC ScalelO, XtremeIO, VMAX
VMware vSphere and vSan
ClusterHQ - flocker solution
VMware Virtual SAN
: Storage virtualization in which the storage hardware is separated from the software which manages it.
SDS allows multiple access methods like File, Block and Object.