Nexsan BEAST Series, Руководство пользователя, Страница: 141 / 267

Enable snapshots : On arrays that have advanced feature support enabled, (see Create a New
RAID Array on page 115), this option is checked by default. To enable snapshots (and replication) for
this volume, leave this box checked. To disable snapshots for this volume, uncheck the box.
Notes:
If you disable snapshots for this volume, you can enable them later on the Configure Volume
Snapshots page (see Volume Snapshots on page 150).
If a valid snapshot and replication license is not installed on the storage system, the message A
snapshot license must be installed before snapshots can be created is displayed beneath the
Enable snapshots check box. See Application and Feature Licenses on page 237.
For detailed information regarding the snapshots and replication features, see the Nexsan High-
Density Storage Snapshots and Replication User Guide .
Reserve for snapshots ( X to one decimal place) : When Enable snapshots is checked, the value
of this field defaults to approximately 25% of the value of Volume Size ( X to one decimal place) .
Enter the desires size of the snapshot reserve.
Note It is recommended that the snapshot reservation be set to approximately 25% of the volume
size. See the Nexsan High-Density Storage Snapshots and Replication User Guide for more
information.
Note If at any time you wish to return the Create a Logical Volume page to its initial state, click Reset .
2. When you have entered all of the required information, click Create Volume .
A message is displayed, informing you that the volume as been created, and you are prompted to assign
the logical unit numbers (LUNs) and host port access:
Figure 3-89: Volume mapping tool
Chapter 3: The Graphical User Interface — Configure Volumes
Nexsan High-Density Storage
User Guide
www.nexsan.com
141