Dell EqualLogic PS6610E EqualLogic Group Manager Administrator s Guide PS Seri - Page 242
About Snapshot Space Borrowing, Modify a Snapshot Collection Name or Description
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2. Click Custom Snapshot Collections in the Volumes list. 3. In the Activities panel, click Create custom collection to open the dialog box. 4. Provide the requested information in each step of the wizard and click Next. 5. Click Finish to create the collection or click Back to make changes. The default custom snapshot collection name is the volume collection name followed by the date and time when you created the snapshots (for example, UserData-2014-05-14-15:08:18.3). Modify a Snapshot Collection Name or Description Determine the following information before making any changes: • Whether you are modifying a snapshot collection or a custom snapshot collection • Timestamp of the collection 1. Click Volumes, then either: • Expand Volume Collections, then expand the collection and select the timestamp for the snapshot collection. • Expand Custom Snapshot Collections and select the timestamp for the custom snapshot collection. 2. In the Activities panel, click either Modify snapshot collection or Modify custom collection. 3. In the dialog box, modify the snapshot collection name (required) and description (optional): • A snapshot collection name can be up to 127 characters, with no spaces. Fewer characters are accepted for this field if you type the value as a Unicode character string, which takes up a variable number of bytes, depending on the specific character. • A snapshot collection description can be up to 127 characters, including colons, hyphens, and periods. Fewer characters are accepted for this field if you type the value as a Unicode character string, which takes up a variable number of bytes, depending on the specific character. 4. Click OK. Delete a Snapshot Collection Deleting a snapshot collection also deletes the snapshots in the collection. Before deleting a snapshot collection, determine the following information: • Whether you are deleting a snapshot collection or a custom snapshot collection • Timestamp of the collection (to make sure you delete the correct one) 1. Click Volumes, then either: • Expand Volume Collections and select the timestamp for the snapshot collection that you want to delete. • Expand Custom Snapshot Collections and select the timestamp for the custom snapshot collection that you want to delete. 2. In the Activities panel, click Delete snapshot collection or Delete custom collection. 3. When prompted, confirm that you want to delete the snapshot collection or the custom snapshot collection by clicking Yes. About Snapshot Space Borrowing Snapshot space borrowing enables the system to temporarily increase the available snapshot space for a volume by borrowing from other sources. If borrowed space is needed for other functions, the firmware might delete snapshots that are borrowing space. Because of this potential deletion, you should always be aware of when snapshots are borrowing space. NOTE: Borrowed space is intended to help during peaks of activity when more space is needed temporarily. It does not take the place of carefully provisioning snapshot reserves. 242 About Backing Up and Protecting Your Data