NIC
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Monitors a configured NIC. If a network link fails or if a problem arises with the NIC, the resource is marked FAULTED. You can use the NIC agent to make a single IP address on a single adapter highly available and monitor it. No child dependencies exist for this resource.
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IP
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Manages the process of configuring a virtual IP address and its
subnet mask on an interface. You can
use the IP agent to monitor a single IP address on a single adapter.
The interface must be enabled with a physical (or administrative) base IP
address before you can assign it a virtual IP address.
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MultiNICA
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Represents a set of network interfaces and provides failover capabilities between them. You can use the MultiNICA agent to make IP addresses on multiple adapter systems highly available and to monitor them. If a MultiNICA resource changes its active device, the MultiNICA agent handles the shifting of IP addresses.
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IPMultiNIC
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Manages a virtual IP address that is configured as an alias on one interface of a MultiNICA resource. If the interface faults, the IPMultiNIC agent works with the MultiNICA resource to fail over to a backup NIC. The IPMultiNIC agent depends upon the MultiNICA agent to select the most preferred NIC on the system.
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MultiNICB
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Works with the IPMultiNICB agent. The MultiNICB agent allows IP addresses
to fail over to multiple NICs on the same system before VCS tries to fail over to
another system. You can use the agent to make IP addresses on multiple-adapter
systems highly available or to monitor them. No dependencies exist for the MultiNICB resource.
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IPMultiNICB
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Works with the MultiNICB agent. The IPMultiNICB agent configures
and manages virtual IP addresses (IP aliases) on an active network device that
the MultiNICB resource specifies. When the MultiNICB agent reports a particular interface as failed, the IPMultiNICB agent moves the IP address to the
next active interface. IPMultiNICB resources depend on MultiNICB resources.
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DNS
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Updates and monitors the mapping of host names to IP addresses and canonical names (CNAME). The DNS agent performs these tasks for a DNS zone when it fails over nodes across subnets (a wide-area failover). Use the DNS agent when the failover source and target nodes are on different subnets. The DNS agent updates the name server and allows clients to connect to the failed over instance of the application service.
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