# Modifying the Reserve Space on HyperScale Nodes

The reserve space on HyperScale mount path can be modified.

## Procedure

1. From the CommCell Browser, expand to Storage Resources | Storage Pools | <Storage Pool> | Storage | <Disk Library> | <Mount Path>.

2. Right-click the appropriate mount path, and then click Properties.

   The Mount Path Properties dialog box is displayed.

3. From the Allocation Policy tab, click the Reserve Space box and type the value.

   By default the reserve space is set to 40 TB or 4% (whichever is smaller) of the total capacity of the mount path. This can be increased if needed to act as a reminder of when to expand your storage pool. Setting it to a lower value is not recommended as it will impact the performance on jobs running to and from the mount path.

4. Click OK.

## Result

When the reserve space falls below the established threshold, the mount paths in the HyperScale storage poolHyperScale Reference Architecture is marked offline. In addition the system logs a message in the Event Viewer and generates the Insufficient Storage Alert, if configured.

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