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IBM System Storage DS3000 User Manual

IBM System Storage DS3000
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Syntax
stop performanceReadCache [performanceReadCacheName] performanceModeling
[file="filename"]
Parameters
Parameter Description
performanceReadCache The alphanumeric identifier (including - and _) of the
Performance Read Cache that you want to locate. Enclose
the identifier in square brackets ([ ]). If the Performance
Read Cache name contains special characters or consists
only of numbers, you also must enclose the identifier in
double quotation marks (" ") inside square brackets.
file The file path and the file name to which you want to
save the performance modeling data. Enclose the file
name in double quotation marks (" "). For example:
file="C:\Program
Files\CLI\logs\performance.csv" The default name of
the file that contains the performance modeling data is
readLinkStatus.csv. You can use any file name, but you
must use the .csv extension.
Notes
This command returns the performance modeling information similar to this example. The size of your
monitor determines how the information wraps and will affect how the information appears.
Performance Read Cache Name: my_cache
Start time: 4/18/12 2:38:26 PM IST
Stop time: 4/18/12 2:38:45 PM IST
Duration : 00:00:19
Performance Read Cache Performance Modeling Data (Response Time):
SSD Reads HDD Reads HDD Writes
Overall Avg. Avg. Avg.
Cache Response Response % of Response % of Response % of
Capacity Time Time I/Os Time I/Os Time I/Os
186GB0ms0ms0.0%0ms0.0%0ms0.0%
372GB0ms0ms0.0%0ms0.0%0ms0.0%
557GB*0ms0ms0.0%0ms0.0%0ms0.0%
558GB0ms0ms0.0%0ms0.0%0ms0.0%
744GB0ms0ms0.0%0ms0.0%0ms0.0%
931GB0ms0ms0.0%0ms0.0%0ms0.0%
1117 GB 0 ms 0 ms 0.0%0ms0.0%0ms0.0%
1303 GB 0 ms 0 ms 0.0%0ms0.0%0ms0.0%
1489 GB 0 ms 0 ms 0.0%0ms0.0%0ms0.0%
1675 GB 0 ms 0 ms 0.0%0ms0.0%0ms0.0%
1862 GB 0 ms 0 ms 0.0%0ms0.0%0ms0.0%
* = Current Performance Read Cache physical capacity.
Performance Read Cache Performance Modeling Data (Cache Hit %):
Cache Capacity Cache Hit %
186 GB 0 %
372 GB 0 %557 GB*0%
558 GB 0 %
744 GB 0 %
931 GB 0 %
1117 GB 0 %
1303 GB 0 %
Chapter 3. Script Commands 3-315

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IBM System Storage DS3000 Specifications

General IconGeneral
BrandIBM
ModelSystem Storage DS3000
CategoryStorage
LanguageEnglish

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