Promise Technology VTRAK M610p, Product Manual

Page: 93 / 284

Chapter 4: Management with WebPAM PROe
81
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.
• Enter a time interval (1 to 12 seconds) in the Write Back Cache Flush
Interval field.
For more information, see “Cache Policy” on page 202.
• Enter a time interval (15 to 255 seconds) in the Enclosure Polling
Interval field.
• Check the Adaptive Writeback Cache box to enable the Adaptive
Writeback Cache feature.
For more information, see “Adaptive Writeback Cache” on page 203.
6. Click the Submit button.
The changes take effect immediately.
Clearing an Orphan Watermark
An Orphan Watermark condition is the result of a disk drive failure during an
NVRAM RAID level migration on a disk array.
To clear an Orphan Watermark:
1. Click the Subsystem icon in Tree View.
2. Click the Controllers icon.
3. Click the Controller icon.
4. Click on the Clear tab in Management View.
5. Click the Submit button.
The changes take effect immediately.