| PRIMECLUSTER Installation and Administration Guide 4.2 (Linux for Itanium) |
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Contents
Index
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| Part 1 Planning | > Chapter 2 Site Preparation |
PRIMECLUSTER allows you to configure multiple cluster applications. The operation mode is determined depending on how you set up the cluster applications in the cluster system.
The main operation modes are listed below:
|
Classification |
Operation mode |
Number of cluster applications |
Number of nodes |
|---|---|---|---|
|
Standby operation |
1:1 standby |
1 |
2 |
|
Mutual standby |
2 to (number of nodes) |
2 to (number of supported nodes) |
|
|
N:1 standby |
2 to (number of nodes - 1) |
3 to (number of supported nodes) |
|
|
Cascade |
1 to (number of nodes) |
3 to (number of supported nodes) |
|
|
Priority transfer |
2 to (number of nodes - 1) |
3 to (number of supported nodes) |
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|
Scalable operation |
Scalable |
1 to (number of nodes) |
1 to (number of supported nodes) |
|
High-availability scalable operation |
1 to (number of nodes) |
2 to (number of supported nodes) |
If an operating node is powered off, the failover function may fail to work. Take corrective action as follows.
* Connect all nodes to UPS.
2.3.1 Standby Operation2.3.2 Scalable Operation|
Contents
Index
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