HP Netserver L Server series - Manual (Page 59)

Chapter 4 Configuration
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Enable SAF-TE Use of UPS - Enables monitoring of uninterruptable
power supply (if supported by the system enclosure). This is not currently
supported by the HP Rack Storage/12FC.
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Enable Restrict Reassign to One Block - Restricts a reassign to the
failing block. If disabled, reassigns will be for the entire current I/O blocks,
not just all of the failing blocks.
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Enable Smart Large Host Transfers - For transfers larger than the stripe
size, allows selection of Coalesce (fewer disconnects) on host data
transfers.
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Enable Elevator Ordering of Device Queues - Attempts to keep the drive
heads moving in the same direction as long as possible to improve
performance. Assumes LBAs are physically sequentially ordered.
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Enable Coalesce Device Queues - Joins data from adjacent I/Os into a
single I/O to improve performance.
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Enable Super Read Ahead (SRA) - Extends the Read Ahead process by
always reading an extra cache line on a read request and reading an
additional cache line when a cache hit occurs. Most useful for applications
where read-sequential data is high.
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Enable True Verification of Data - Performs a true verify with data
comparison.
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Enable Write Through Verify - During error handling, this turns on
Force Unit Access for reads and writes.
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Enable Operational Fault Management - Allows the controller to take
autonomous actions when a failure occurs. Do not disable this function
unless specifically instructed to do so as part of a troubleshooting
diagnostic activity.
Disable (by checking) or Enable (by un-checking) the following option:
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Disable Wide Transfer on Host - When disabled, the controller will
negotiate only narrow data transfers. Doing this unnecessarily will result in
slower performance.