VTrak E-Class Product Manual - Promise Technology, Inc.

VTrak E-Class Product Manual
Managing the Subsystem
Subsystem Management includes the following functions:
• Setting an Alias for the Subsystem (page 152)
• Setting Redundancy for the Subsystem (page 152)
• Setting Cache Mirroring for the Subsystem (page 152)
• Running Media Patrol (page 153)
• Locking or Unlocking the Subsystem (page 153)
• Setting Subsystem Date and Time (page 154)
Setting an Alias for the Subsystem
An alias is optional. To set an Alias for this subsystem:
1. From the Main Menu, highlight Subsystem Management and press Enter.
2. Type and alias into the Alias field.
Maximum of 48 characters. Use letters, numbers, space between words
and underscore.
3. Press Ctrl-A to save your settings.
Setting Redundancy for the Subsystem
This feature applies to models with dual controllers.
To set redundancy:
1. From the Main Menu, highlight Subsystem Management and press Enter.
2. Highlight Redundancy Type and press the spacebar to toggle between
Active-Active and Active-Standby.
• Active-Active – Both RAID controllers are active and can share the load
• Active-Standby – One RAID controller is in standby mode and goes
active if the other fails
3. Press Ctrl-A to save your settings.
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. From the Main Menu, highlight Subsystem Management and press Enter.
2. Highlight Redundancy Type and press the spacebar to toggle between
Active-Active and Active-Standby.
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