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This topic describes adding and expanding storage devices after initial configuration. Delphix recommends expanding existing storage whenever possible; if it is not possible to expand Delphix recommends adding new LUNs of equal size to the existing storage pool.

Prerequisites

If you are expanding a storage device after initial configuration, first make sure to add capacity to it using the storage management tools available through the device's operating system. In vSphere, for example, you can add capacity using Edit System Settings.

Procedure

  1. Launch the ServerSetup application and log in using the sysadmin credentials.
  2. In the Storage section of the Server Setup Summary screen, click Modify.
  3. The Delphix Engine should automatically detect any new storage devices. 
    If a newly added storage device does not appear in in the Storage section of the Server Setup Summary screen, click Rediscover.
  4. Select Expand for each device that you want to expand. 
    The Expand checkbox appears next to the name of devices that have added capacity (in other words,  the underlying LUN has been expanded), and the Unused column indicates how much capacity is available for each device. Newly-added devices will have a drop-down in the Usage Assignment column. Set the Usage Assignment to DATA for newly-added devices that you wish to add to the storage pool.
  5. Click OK.

WARNING: DO NOT REMOVE A CONFIGURED STORAGE DEVICE

Do not remove a configured storage device or reduce its capacity. Removing or reducing a configured storage device will cause a fault with the Delphix Engine, and will require the assistance of Delphix Support for recovery.

1 Comment

  1. If the storage expansion is via adding LUNs, and the addition of these LUNs requires adding a new SCSI controller, the Delphix engine guest VM will need to be rebooted in order to detect the new controller.