Users Guide

Events Database Size
After tasks (status polling, OpenManage Server
Administrator deployment tasks, remote tasks, and
system update tasks) against these alerts are
executed
54.5 MB
After deleting all the alerts and sending 20000
alerts with all the alert actions configured
97.2 MB
During the daily maintenance, OpenManage Essentials compresses and optimizes the database.
OpenManage Essentials also downloads updates for managed servers. These updates are saved in the
local file system (not in the database) where OpenManage Essentials is installed.
NOTE: For more information, see the OpenManage Essentials Scalability and Performance technical
white paper at DellTechCenter.com/OME.
Network Bandwidth Utilization
The following table provides information about the network bandwidth utilized by OpenManage
Essentials on a network with a link speed of 1 Gbps.
Event Bandwidth utilized (in percent)
Discovery 0.64 for 100 devices
Inventory 1.16 for 100 devices
System update 5.34 for 10 targets and 10 packages
Remote task 4.42 (10 targets)
OpenManage Essentials at maximum use —
Discovery, inventory, scheduled inventory,
scheduled status, generic command-line task, and
OMSA deployment.
4.13
NOTE: The network bandwidth utilization may vary depending on the network interface controller
(NIC) and bandwidth allocation.
NOTE: The minimum network bandwidth required for OpenManage Essentials to work in a WAN
environment is 40 Mbps.
Minimum Login Roles for Microsoft SQL Server
The following table provides information about the minimum permissions for SQL Server based on
different installation and upgrade use cases.
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