# IBM Spectrum Scale (GPFS)

Commvault software provides an integrated approach to protect your GPFS data, in the GPFS shared-disk architecture and the complex parallel I/O operations between GPFS nodes and disks.

You install the Commvault software on one or more nodes in the GPFS cluster. These nodes are referred to as access nodes.

## Key Features

- Distributed backup and restores, which run in parallel on multiple data access nodes, for optimal sharing of the backup load

- Fault-tolerant model that redistributes task loads when a data access node fails

- Optimized scan uses mmapplypolicy by default for GPFS volumes

- Snapshot-based scans and backups that offload processing from the source GPFS volumes for improved performance

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