Compaq CL380 - ProLiant - 256 MB RAM Software User's Manual page 67

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Read-ahead cache limit—Enter the desired read-ahead limit (0-16). If
you enter 0, the read-ahead is disabled. Each increment equals 32 blocks
of data that are read ahead in the cache. For example, 2 would equal
64 blocks read-ahead.
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Controller mode—Shows the controller mode, which is active or
unavailable.
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Rebuild rate—Enter the desired rebuild rate, which ranges from
1 to 100. The controller rebuilds while it handles I/O activity. A rate
below 50 emphasizes I/O response over the RAID rebuild. A rate above
50 puts a higher priority on the RAID rebuild at the expense of I/O
activity.
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Create rate—Enter the desired create rate, which ranges from 1 to 100.
The controller creates RAID sets while it handles I/O activity. A rate
below 50 emphasizes I/O response over the RAID set creation. A rate
above 50 puts a higher priority on the RAID set creation at the expense
of I/O activity.
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Firmware revision—Shows the current firmware revision of the
CR3500 RAID Controller.
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Serial number—Shows the serial number of the controller.
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Connection type—Shows the connection type, which can be serial or
SCSI.
CR3500 Configuration Utility 4-15