Rockwell Automation 1756-HIST2G Historian ME 2.1 - Manual (Page 189)

10 • U SING W EB D IAGNOSTICS
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The CPU, RAM page lists the following information under RAM Statistics:

Buffers - total amount of RAM in megabytes that is buffered.

Cached - total amount of RAM in megabytes that is cached.

Active - total amount of RAM in megabytes that is in use.

Inactive - total amount of RAM in megabytes that is not in use.

Usage - the percent of total memory utilization for the module.
The Top Result section displays results of the Linux top command. This command
generates dynamic views of frequently-updated processes in summary form for
module administration, configuration, and troubleshooting.
To set the table to auto refresh, enter a refresh interval (in sections) in the Auto
Refresh box below the table. Setting the Auto Refresh value to 0 or not entering a
value in the box disables the Auto Refresh feature.
NAND
The NAND (Not AND) page displays information about the NAND flash memory
used for data storage. It contains three sections: Application, Archive, and Log and
Core File. To access the page, click Hardware in the top navigation bar of the Web
Diagnostics interface, and then click NAND in the left navigation bar.