Sun Java System Application Server Enterprise Edition 8.1 2005Q2 Performance Tuning Guide

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### Tuning Data Device Size

To increase the size of the HADB data devices, use the following command:

    hadbm set TotalDatadeviceSizePerNode

This command restarts all the nodes, one by one, to apply the change. For more information on using this command, seeConfiguring HADB in Sun Java System Application Server Enterprise Edition 8.1 2005Q2 High Availability Administration Guide.

Note –

`hadbm` does not add data devices to a running database instance.

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