Novell ZENWORKS LINUX MANAGEMENT 7.3 IR2 - INSTALLATION GUIDE 07-20-2009 Installation Manual

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Novell ZENWORKS LINUX MANAGEMENT 7.3 IR2 - INSTALLATION GUIDE 07-20-2009 Installation Manual Manual pdf 47 page image

Installing a ZENworks Secondary Server647novdocx (en) 7 January 20106Installing a ZENworks SecondaryServerYour ZENworks Management Zone has only one Primary Server. Any ZENworks Servers that youinstall after the Primary Server are called ZENworks Secondary Servers. A Secondary Serverperforms all of the same functions as the Primary Server. Complete the tasks in the followingsections to install a Secondary Server: Section 6.1, “Determining If a Secondary Server is Needed,” on page 47 Section 6.2, “Installing the ZENworks Server Software as Secondary Server,” on page 48 Section 6.3, “Defining a Content Replication Schedule,” on page 516.1 Determining If a Secondary Server is NeededThere are two main factors that determine whether or not you need Secondary Servers in yoursystem: Number of devices: The number of devices you intend to manage is one of the major factors indetermining the number of ZENworks Servers you need. How many management tasks you'llbe regularly performing on these devices is another contributing factor. Network speed: The ZENworks system has three key communication paths that should not beimpeded by slow WAN links: 1) the ZENworks Primary Server to a ZENworks SecondaryServer, 2) any ZENworks Servers to the ZENworks Data Store, and 3) any managed device toits ZENworks Server.In general, this means that to achieve the best performance, you should do the following: Make sure that each managed device resides in the same local area network as itsZENworks Server. For example, if you have devices in a Los Angeles office and devicesin a London offices and the two offices have a slow WAN link, you should haveZENworks Servers in both offices. Make sure that all Secondary Servers reside in the same local area network as the PrimaryServer. The Primary Server replicates software packages and images to each SecondaryServer in its Management Zone on a regularly scheduled basis. If there is a large amountof data to transfer, this process can consume extensive bandwidth. Make sure that ZENworks Servers reside in the same local area network as the ZENworksData Store. The servers consistently access the Data Store for ZENworks information.Overall, you achieve best performance if all ZENworks Servers and managed devices withinthe same Management Zone are located on the same LAN or have fast WAN links. To facilitateconsistency between different Management Zones, you can mirror the software packagesbetween Primary Servers in the different zones (see “Mirroring Software” in the NovellZENworks 7.3 Linux Management Administration Guide).