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7 iDRAC Service Module – OS based capabilities for Out-of-band management with iDRAC9 | 469
Management (WS-Man) API. A single release of iSM also supports multiple generations of PowerEdge
servers.
Besides a smaller memory footprint when compared to OMSA, iSM is also supported on more operating
systems. There are also features offered by iSM that OMSA does not provide. One such iDRAC9 feature is
the option to completely drain the power from the server remotely. The result means no longer requiring a
technician in the data center to physically pull the power cable from the back of the server. Other value-added
capabilities available in iDRAC via iSM includes availability of Lifecycle logs in OS logs, accessing iDRAC via
Host OS and OS Credentials, iDRAC SNMP alerts via in-band and auto-dispatch of drives for certain
predictive alerts.
iSM bridges the gap between the operating system and iDRAC and provides several additional features
available. For example, having iSM installed greatly reduces the time that is spent on the phone with Tech
Support. Automation of SupportAssist Collection (SAC) logs along with addition of valuable information such
as operating system and application logs, lead to faster time to resolution.