User`s guide

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Adaptec Storage Management Software User’s Guide
To see the HBA statistics window, shown in Figure 3-16, click I/O
Stats in the Host Bus Adapter Info Window.
Figure 3-16 HBA Statistics Window
Cache Statistics
Total Pages The total number of pages contained in the
controller cache.
Used Pages The number of pages that currently contain disk
data.
Dirty Pages The number of pages that contain dirty data (data in
cache that has not yet been written to disk).
Read-Ahead
Pages
The number of cache pages that contain data that
has been loaded from disk as a result of read-ahead
functions.
ECC Fault
Pages
The number of pages that have been mapped for
nonuse after a RAM fault was discovered by the
controller ECC feature.
Combined RAID SW-UG.book Page 46 Monday, September 9, 2002 1:25 PM