VMware VCENTER SERVER 4.0 - GETTING STARTED UPDATE 1 Specifications Page 125

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Chapter 6 Server Protection
When the vCenter Server Heartbeat pair establishes a connection, it triggers a file synchronization and
verification process to ensure all the files stipulated through file filters are mirror images of one another on
their respective servers. The process checks each 64K block of all protected files and performs a checksum to
find differences between blocks. When the checksum is the same, the block is marked as synchronized. When
the blocks are different, the block is replicated to the passive server and then marked as synchronized. The file
verification and synchronization process completes when all blocks of all files are marked as synchronized.
Configuring Heartbeat Settings
The Heartbeat interval dictates the time step at which the passive server sends Heartbeat packets to the active
server across the VMware Channel connections. Max Heartbeats Missed Before Failover determines the
number of missed packets before initiating a failover.
1Click Advanced > Communication on the left navigation pane and click the Configuration tab.
2Set Max Heartbeats Missed Before Failover and the Heartbeat Interval and click Apply.
Table 6-2. File and Registry Status
Icon Description
The files or registry are fully synchronized.
Files are present that are currently not checked. A full system check has not completed.
The registry is currently in the process of being synchronized.
The differences in the registry are currently being checked to see if they are synchronized.
The files or registry are not synchronized.
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