# Support for FusionStorage

You can deploy Commvault to protect FusionCompute workloads running as part of a hyper-converged solution on FusionStorage.

## Considerations

When FusionCompute runs as part of a hyper-converged solution on FusionStorage, it operates similarly to an on-premises deployment of FusionCompute, with the following exceptions:

- For FusionStorage deployments, the Virtual Server Agent must be installed on at least one FusionStorage node within a FusionStorage cluster.

  The Virtual Server Agent must be installed on the Domain 0 host (Dom0).

  A single VSA proxy can be used throughout a FusionStorage cluster, but you can deploy additional proxies as needed for your environment.

  Windows proxies are not supported.

- Physical disks from the FusionStorage nodes are presented to the cluster as a shared datastore.

- Because the FusionCompute SDK does not support operations with FusionStorage, Commvault uses a Java SDK and command-line utilities to access disks.

  In addition to standard Commvault logs, FusionStorage.log contains a record of the commands used and their verbose output.

- FusionStorage uses a bitmap volume to track changes to allocated blocks on storage volumes. For that reason, in FusionStorage deployments Commvault tracks allocated blocks and does not provide changed block tracking (CBT).

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