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Chapter 2 Planning Server Usage 31
Making Sure Required Server Hardware Is Available
You might want to postpone setting up a server until all its hardware is in place.
For example, you might not want to set up a server whose data you want to mirror
until all disk drives you need for mirroring are available. You might also want to wait
until a RAID subsystem is set up before setting up a home folder server or other server
that will use it.
Minimizing the Need to Relocate Servers After Setup
Before setting up a server, try to place it in its nal network location (IP subnet).
If you’re concerned about preventing unauthorized or premature access during setup,
set up a rewall to protect the server while nalizing its conguration.
If you can’t avoid moving a server after initial setup, you must change settings that are
sensitive to network location before you can use the server. For example, the server’s IP
address and DNS name, stored in directories and conguration les on the server, must
be updated.
When you move a server, follow these guidelines:
Minimize the time the server is in its temporary location so the amount of Â
information you need to change is limited.
Postpone conguring services that depend on network settings until the server is in Â
its nal location. Such services include Open Directory replication, Apache settings
(such as virtual domains), DHCP, and other network infrastructure settings that other
computers depend on.
Wait to import nal user accounts. Limit accounts to test accounts so you minimize Â
the user-specic network information (such as home folder location) that you must
change after the move.
After you move the server, you can change its IP address in the Network pane of Â
System Preferences (or use the networksetup tool).
You probably will need to manually adjust service and system settings. For more
information on how to do this, see “Understanding Changes to the Server IP Address
or Network Identity” on page 132 .
Recongure the search policy of computers (such as user computers and DHCP Â
servers) that have been congured to use the server in its original location.
Dening Backup and Restore Policies
All storage systems can fail eventually. Either through equipment wear and tear,
accident, or disaster, your data and conguration settings are vulnerable to loss.
You should have a plan in place to prevent or minimize your data loss.