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# Set volume names

A storage volume is an identifiable unit of data storage. Storage groups are sets of volumes.

## About this task

When creating or duplicating volumes; or creating or expanding storage groups, you can optionally name the new volumes.

When naming volumes, you should be aware of the following:

- Volume names cannot exceed 64 characters. Only alphanumeric characters, underscores ( _ ), and periods (.) are allowed.
- Volume names plus an optional suffix cannot exceed 64 characters. If using a numerical suffix, volume names cannot exceed 50 characters (prefix) and the trailing numerical suffix number cannot exceed 14 characters. If not using a numerical suffix, all 64 characters can be specified for the volume name. The maximum starting suffix is 1000000.
- This feature is not supported for the following types of volumes: SFS, DRV, Meta members, SAVE, DATA, Vault, and diskless.