C.4 Redundant components in a cluster
The following table lists and describes redundant components in the JP1/DH - Server cluster configuration.
|
No. |
Component |
Description |
Clustered |
|---|---|---|---|
|
1 |
NIC |
Used to provide a host address and an IP address for accepting service requests. |
Yes |
|
2 |
NIC (for heartbeats) |
Used for the alive monitoring of the machine. |
No |
|
3 |
Clustering software |
Clustering software that provides redundancy. For details about the clustering software supported by JP1/DH - Server, see C.2 Supported clustering software. |
Yes |
|
4 |
IP address for accepting service requests |
An IP address, which is allocated to a clustered JP1/DH - Server environment, accessible to clients. Service requests reach the NIC on the machine running the clustering software. |
Yes |
|
5 |
Runtime libraries for managed applications |
A set of files necessary to run applications managed by your clustering software. In a Windows environment, these are mainly services. |
Yes |
|
6 |
Managed applications |
Applications managed by your clustering software. In a Windows environment, these are mainly services. |
Yes |
|
7 |
Other non-managed applications |
A set of applications installed in your operating system by default. |
No |
|
8 |
Shared disk (for application data) |
A shared disk that stores application data, specified by the runtime libraries for the managed applications. |
-- |
|
9 |
Shared disk (for cluster management) |
A set of files for managing the cluster configuration used by your clustering software (WSFC-specific). |
-- |
|
10 |
Domain controller |
A domain controller used for managing an account that your clustering software uses (WSFC-specific). |
No |
- Legend:
-
Yes: It is included in the cluster.
No: It is not included in the cluster.
--: It is not supported by the clustering software.