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Chapter 4: Management with WebPAM PROe
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• 10GB Truncate – Reduces the useful capacity to the nearest
10,000,000,000 byte boundary.
• Group Rounding – Uses an algorithm to determine how much to
truncate. Results in the maximum amount of usable drive capacity.
• Table Rounding – Applies a predefined table to determine how much to
truncate.
10. Enter a time interval (1 to 12 seconds) in the Write Back Cache Flush
Interval field.
For more information, see “Cache Policy” on page 192.
11. Select a Cache Line Size (8KB or 64KB) from the Preferred Cache Line Size
dropdown menu.
For more information, see “Cache Line Size” on page 193.
12. Click the Submit button.
The changes take effect immediately.
Enclosures
The Enclosures–Information tab provides component information about the
VTrak subsystem enclosure, including:
• Enclosure ID number
• Number of power supply units
• Number of fans
• Number of blowers – Blowers are scroll fans, one in each cooling unit
• Number of physical drive slots – 12 or 8 depending on the VTrak model
• Number of temperature sensors – The number of sensors varies among
VTrak models
• Number of voltage sensors – 3.3V, 5.0V, and 12.0V
• Number of batteries – One for each controller in the enclosure
Identify Enclosure
To identify the VTrak subsystem enclosure:
1. Click the Subsystem icon in Tree View.
2. Click on the Enclosures icon.
3. Click on the Locate Enclosure button.
The FRU LEDs on the back of the enclosure will flash for one minute. See
the illustration below.