18
capacity (1MB = 1024KB). The figures shown at
TOTAL
represent the overall performance of
the Host Drives as a whole. With the
←
and
→
keys you may change the scale of the
graphical KB/s indication. With the
↑
and
↓
keys you can scroll the screen to see further
Drives (if available).
After selecting the menu option „Cache Statistics“ you can view the utilization of the ICP
Controller’s Caches, separated in the Read Cache and the Write Cache.
This menu also displays the size of the Cache in KB and the settings of both Caches (On, or
Off). The figures for „Cache Hits“ show the how often requests can be serviced out of the
cache, i.e., without triggering an immediate Disk IO.
By setting the „Sample Rate”, you can choose the interval at which the ICP Controller deliv-
ers new measurements. According to the operating system used, the sampling rate can be
set to a maximum of 60 seconds. The default setting is 1 second.
With „Logging On/Off“, you may create a log file which records all the statistic values over a
longer period. If you choose On, ICPCON asks for the path/name of the log file.
I.3.2 Menu Monitor: View Events
With „View Events“ ICPCON displays all ICP Controller Events. They can also be recorded
and saved into a log file. This function gives the administrator a good help to analyze and
supervise ICP Controllers with Array Drives.
I.3.3 Menu Monitor: View Hard Disk Info
This menu shows for all Drives :
