This is the last major release of Veritas Storage Foundation for Oracle to support the Space Capacity Planning utility. The Storage Checkpoint Capacity Planning Utility helps you plan for adequate file system space needed for Storage Checkpoints.

VxFS file systems need extra disk space to store Storage Checkpoints. Because VxFS can remove Storage Checkpoints when a file system runs out of space, it is important to ensure that you have adequate space for Storage Checkpoints. The extra space needed depends on how the Storage Checkpoints are used, the number of VxFS changed blocks recorded in the Storage Checkpoints, the frequency with which you plan to create Storage Checkpoints, and how many Storage Checkpoints you want to retain on your system at any given time.

You can use Storage Checkpoint Capacity Planning to simulate various Storage Checkpoint creation and retention models in your production environment, collect the associated file system space usage information based on these models, and use this information to proactively determine how much additional storage space is needed for Storage Checkpoints.

Storage Checkpoint Capacity Planning uses the cron command as the underlying mechanism to run the Capacity Planning schedules you create. You must have the proper access and permissions to create a cron job, or the Capacity Planning schedule will fail to run.

All Storage Checkpoint Capacity Planning activity, including the file-level block change information, is logged into the /etc/vx/vxdba/logs/ckptplan.log log file.