HP P2000 HP P2000 G3 MSA System SMU Reference Guide - Page 55
Changing a volume’s cache settings, Configuring a snapshot, Changing a snapshot’s name
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Changing a volume's cache settings CAUTION: • Only disable write-back caching if you fully understand how the host operating system, application, and adapter move data. If used incorrectly, you might hinder system performance. • Only change read-ahead cache settings if you fully understand how the host operating system, application, and adapter move data so that you can adjust the settings accordingly. To change a volume's cache settings 1. In the Configuration View panel, right-click a volume and select Configuration > Modify Volume Cache Settings. 2. In the main panel, set the read-ahead cache options: • Write Policy. Select write-back or write-through. The default is write-back. • Write Optimization. Select Standard or Super Sequential. The default is Standard. • Read Ahead Size. Select Default, Disabled, Maximum, or a specific size (64, 128, 256, or 512 KB; 1, 2, 4, 8, 16, or 32 MB). 3. Click Modify Cache Settings. Configuring a snapshot Changing a snapshot's name To change a snapshot's name 1. In the Configuration View panel, right-click a snapshot and select Configuration > Modify Snapshot Name. 2. Enter a new name. A snapshot name is case sensitive; cannot already exist in a vdisk; cannot include a comma, double quote, or backslash; and can have a maximum of 20 bytes. 3. Click Modify Name. The new name appears in the Configuration View panel. Configuring a snap pool Changing a snap pool's name To change a snap pool's name 1. In the Configuration View panel, right-click a snap pool and select Configuration > Modify Snap Pool Name. 2. Enter a new name. A snap pool name is case sensitive; cannot already exist in a vdisk; cannot include a comma, double quote, or backslash; and can have a maximum of 20 bytes. 3. Click Modify Name. The new name appears in the Configuration View panel. HP P2000 G3 MSA System SMU Reference Guide 55