Novell ZENWORKS LINUX MANAGEMENT 7.3 IR2, Руководство администратора, Страница: 350 / 684

350 Novell ZENworks 7.3 Linux Management Administration Guide
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For a handful of devices, this might not be a problem. But for a larger number of devices, you should
install the Novell ZENworks Linux Management Imaging Agent (
novell-zislnx ) on each device
before doing the multicast (see Section 29.7.2, “Enabling a Device for Imaging Operations,” on
page 403 ). The Imaging Agent saves the device’s network identity settings before the multicast
session and restores them afterwards.
Automatic Multicasting Example
To automatically multicast an image to multiple devices using the ZENworks Control Center:
1. In the ZENworks Control Center, create a Multicast bundle using a wizard.
2. Specify the source image for the bundle.
You can multicast an existing image from your imaging server.
3. Configure the trigger for multicasting the bundle, as in the following examples:
Client count: When the specified number of clients specified in the bundle have booted and
registered, the multicast session begins.
Time count: When the specified length of time has passed with no new clients having
registered, the multicast session begins regardless of the number of client participating.
The first trigger to be realized causes the multicast session to begin.
4. Assign the Multicast bundle to the desired devices.
The ZENworks Control Center provides a way to enable or disable a Multicast bundle,
allowing you to temporarily stop the bundle from executing. This is more efficient than
unassigning the bundle from many devices.
5. Wait for the trigger to happen.
Each device booting into the session has its boot process delayed until the session begins,
which is determined by fulfillment of one of the triggers.
The multicast happens automatically when a device assigned to the Multicast bundle boots,
according the configuration you set up for the Multicast bundle and for the devices you
assigned to the bundle. This bundle is applied to each session device before it boots its
operating system. The ZENworks Multicast bundle is sent over the wire just once, using the
multicast capability of your network, and executed simultaneously on all participating devices.
28.5.7 Configuring Dell Linux Devices
Certain Dell computer models can be automatically configured using ZENworks Preboot Services.
You can configure the following for Dell devices:
Š
BIOS/BMC/DRAC 5 Configuration File: You can use syscfg to auto-generate a BIOS, BMS,
or DRAC 5 file with a specific configuration for the device.
Š RAID Configuration Script: You can use a supplied example script to configure your RAID
settings for the device.
Š
DRAC Configuration File: You can run a supplied script to create your DRAC 4 or earlier
configuration file.
Š
Dell Utility Partition: You can create a Dell utility partition when imaging the device,
including setting its size, specifying the target disk, indicate whether to use a specific Dell
utility partition file, and indicate whether to overwrite any existing utility files.