Chapter 4: Management with WebPAM PROe
65
Setting Cache Mirroring for the Subsystem
This option applies only to subsystems with two controllers. To use Cache
Mirroring, the Redundancy Type must be set to Active-Active.
To change Cache Mirroring for this subsystem:
1. In Tree View, click the Subsystem icon.
2. In Management View, click the Settings tab.
3. Do one of the following actions:
• To enable Cache Mirroring, check the Cache Mirroring box.
• To disable Cache Mirroring, uncheck the Cache Mirroring box.
4. Click the Submit button.
5. Restart the subsystem.
See “Restarting the Subsystem” on page 119.
Setting Subsystem Date and Time
To set a Date and Time for this subsystem:
1. In Tree View, click the Subsystem icon.
2. From the dropdown menu on the Settings tab, choose Date and Time
Settings.
3. Under Subsystem Date, choose the Month and Day from the dropdown
menus.
4. Type the current year into the Year field.
5. Under Subsystem Time, choose the Hour, Minutes, and Seconds from the
dropdown menus.
6. Click the Submit button.
Making NTP Settings
After you have made Network Time Protocol (NTP) settings, the VTrak
subsystem synchronizes with a NTP server.
• At startup
• Every night
Notes
• If you disable Cache Mirroring, LUN Affinity will be enabled
automatically.
• If you change Cache Mirroring, be sure both controllers are
properly installed in the subsystem before you restart.
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