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Updated Volume Management (markdown)

Chris Lu 2019-05-07 09:12:59 -07:00
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Volume-Management.md

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When running large clusters, it is common to add more volume severs, or some volume servers are down, or some volume servers are replaced. These topology changes can cause missing volume replicas, or unbalanced number of volumes on volume servers.
## Optimize volumes
See [Optimization] page on how to optimize for concurrent writes and concurrent reads.
## Fix missing volumes
When running large clusters, it is common that some volume servers are down. If a volume is replicated and one replica is missing, the volume will be marked as readonly.