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Figure 6. Physical disks page

Wear Usage Monitoring

The Smartmon Tool

You can use a software tool — Smartmon — that monitors three Self-Monitoring, Analysis, and Reporting Technology

(SMART) attributes for SSDs. Smartmon includes a command line utility, smartctl, used to check these attributes.

Obtaining the Smartmon Tool

The Smartmon tool is available from the following sources:

• From Intel as part of the “Intel Solid-State Drive Toolbox” at http://downloadcenter.intel.com.

• From http://sourceforge.net/apps/trac/smartmontools/wiki.

NOTE: Use the latest version of the Smartmon tool with the Intel 320 Series SSDs.

SMART Attributes

The three primary attributes measured by the Smartmon tool are:

• Workload Timer ID E4h — Time elapsed during the current workload.

• Timed Workload Host Reads Percentage ID E3h — Percentage of I/O operations that are read operations during

the last workload timer loop.

• Timed Workload Media Wear Indicator ID E2h — Drive wear during the last wear timer loop, as a percentage of

the maximum rated cycles.

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Dell R320 Betriebsanweisung Seite 10