Dell PowerVault MD3420 User Manual

Page 391

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Parameter

Description

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.
SSD 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

SSD Cache Performance Modeling Data (Response Time):

SSD Reads

HDD Reads

HDD Writes

Cache
Capacity

Overall
Response
Time

Avg.
Response
Time

% of
I/Os

Avg.
Response
Time

% of
I/Os

Avg.
Response
Time

% of
I/Os

186 GB

0 ms

0 ms

0.0 %

0 ms

0.0 %

0 ms

0.0 %

372 GB

0 ms

0 ms

0.0 %

0 ms

0.0 %

0 ms

0.0 %

557 GB *

0 ms

0 ms

0.0 %

0 ms

0.0 %

0 ms

0.0 %

558 GB

0 ms

0 ms

0.0 %

0 ms

0.0 %

0 ms

0.0 %

744 GB

0 ms

0 ms

0.0 %

0 ms

0.0 %

0 ms

0.0 %

931 GB

0 ms

0 ms

0.0 %

0 ms

0.0 %

0 ms

0.0 %

1117 GB

0 ms

0 ms

0.0 %

0 ms

0.0 %

0 ms

0.0 %

1303 GB

0 ms

0 ms

0.0 %

0 ms

0.0 %

0 ms

0.0 %

1489 GB

0 ms

0 ms

0.0 %

0 ms

0.0 %

0 ms

0.0 %

1675 GB

0 ms

0 ms

0.0 %

0 ms

0.0 %

0 ms

0.0 %

1862 GB

0 ms

0 ms

0.0 %

0 ms

0.0 %

0 ms

0.0 %

* = Current SSD cache physical capacity.

SSD Cache Performance Modeling Data (Cache Hit %):

Cache Capacity

Cache Hit %

186 GB

0 %

372 GB

0 %

557 GB *

0 %

558 GB

0 %

391

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