Minimum Configuration
The minimum hardware configuration for deploying a Virtuozzo Storage cluster is given below:
Server Role
|
Number of Servers
|
Metadata Server
|
1 (can be shared with chunk servers and clients)
|
Chunk Server
|
1 (can be shared with metadata servers and clients)
|
Client
|
1 (can be shared with chunk and metadata servers)
|
Total number of servers
|
with role sharing: 1 without role sharing: 3
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Graphically, the minimum configuration can be represented as follows:
For a Virtuozzo Storage cluster to function, it must have at least one MDS server, one chunk server, and one client. The minimum configuration has two main limitations:
- The cluster has one metadata server, which presents a single point of failure. If the metadata server fails, the entire Virtuozzo Storage cluster will become non-operational.
- The cluster has one chunk server that can store only one chunk replica. If the chunk server fails, the cluster will suspend all operations with chunks until a new chunk server is added to the cluster.
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