Novell ZENWORKS LINUX MANAGEMENT 7.2 IR2 - 07-20-2009, Руководство по установке

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Installing a ZENworks Secondary Server
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Installing a ZENworks Secondary
Server
Your ZENworks Management Zone has only one Primary Server. Any ZENworks Servers that you
install after the Primary Server are called ZENworks Secondary Servers. A Secondary Server
performs all of the same functions as the Primary Server. Complete the tasks in the following
sections to install a Secondary Server:
Š
Section 6.1, “Determining If a Secondary Server is Needed,” on page 47
Š
Section 6.2, “Installing the ZENworks Server Software as Secondary Server,” on page 48
Š
Section 6.3, “Defining a Content Replication Schedule,” on page 51
6.1 Determining If a Secondary Server is Needed
There are two main factors that determine whether or not you need Secondary Servers in your
system:
Š
Number of devices: The number of devices you intend to manage is one of the major factors in
determining the number of ZENworks Servers you need. How many management tasks you'll
be regularly performing on these devices is another contributing factor.
Š
Network speed: The ZENworks system has three key communication paths that should not be
impeded by slow WAN links: 1) the ZENworks Primary Server to a ZENworks Secondary
Server, 2) any ZENworks Servers to the ZENworks Data Store, and 3) any managed device to
its ZENworks Server.
In general, this means that to achieve the best performance, you should do the following:
Š
Make sure that each managed device resides in the same local area network as its
ZENworks Server. For example, if you have devices in a Los Angeles office and devices
in a London offices and the two offices have a slow WAN link, you should have
ZENworks Servers in both offices.
Š
Make sure that all Secondary Servers reside in the same local area network as the Primary
Server. The Primary Server replicates software packages and images to each Secondary
Server in its Management Zone on a regularly scheduled basis. If there is a large amount
of data to transfer, this process can consume extensive bandwidth.
Š
Make sure that ZENworks Servers reside in the same local area network as the ZENworks
Data Store. The servers consistently access the Data Store for ZENworks information.
Overall, you achieve best performance if all ZENworks Servers and managed devices within
the same Management Zone are located on the same LAN or have fast WAN links. To facilitate
consistency between different Management Zones, you can mirror the software packages
between Primary Servers in the different zones (see “
Mirroring Software ” in the Novell
ZENworks 7.27.3 Linux Management Administration Guide ).