Cisco Cisco Unified MeetingPlace Audio Server Manuel De Maintenance
February 27, 2004
Cisco MeetingPlace Audio Server System Manager’s Guide
I
Shadow server
About the shadow server
The shadow server is a backup system that can replace the primary
MeetingPlace 8112 or 8106 server during a failure or if the primary server
cannot continue processing for any reason.
MeetingPlace 8112 or 8106 server during a failure or if the primary server
cannot continue processing for any reason.
The switchover of the shadow server ensures that MeetingPlace can be
returned to full operation with minimal loss of time and disruption in service.
returned to full operation with minimal loss of time and disruption in service.
The shadow server is kept current by polling the primary MeetingPlace server
for all database updates. A minimal loss of data is to be expected if a failure
occurs between update polling periods.
for all database updates. A minimal loss of data is to be expected if a failure
occurs between update polling periods.
For the shadow server to function correctly, your Domain Name Server
(DNS) must be configured with host name entries that contain IP addresses
for the MeetingPlace server and shadow server. (For more information, see
the Cisco MeetingPlace Audio Server 5.2 Installation Planning Guide.)
(DNS) must be configured with host name entries that contain IP addresses
for the MeetingPlace server and shadow server. (For more information, see
the Cisco MeetingPlace Audio Server 5.2 Installation Planning Guide.)
N
OTE
The shadow server
hardware is sized accordingly for the 8112 and
8106 servers.
MeetingPlace shadow server feature differences
The MeetingPlace shadow server uses the same underlying mechanisms as
the MeetingPlace shadow server in PCI versions. In general, they behave the
same. However, the following are substantial differences between the PCI
shadow server and the shadow server:
the MeetingPlace shadow server in PCI versions. In general, they behave the
same. However, the following are substantial differences between the PCI
shadow server and the shadow server:
•
There is no automated switchover mechanism. Converting the shadow to a
standalone server requires connecting to the command line interface and
entering commands to switch modes.
standalone server requires connecting to the command line interface and
entering commands to switch modes.
•
The shadow server is not required to be on the same network segment as
the primary.
the primary.
•
Hardware configuration data is not replicated between servers, including
the telephony configuration and license keys. Separate configuration must
be done on the shadow server.
the telephony configuration and license keys. Separate configuration must
be done on the shadow server.
•
Software upgrades do not propagate automatically between servers. You
must install software on each server independently.
must install software on each server independently.