6.26
The Moab HPC Suite is installed and configured differently for small, medium or large environment types. This topic provides a general topology of the Moab HPC Suite and the server hardware requirements depending on your environment size.
In this topic:
The following diagram provides a general topology of the Moab HPC Suite for a medium (with high throughput) or a large environment.
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Click to enlarge |
Please note the following:
- Smaller environments may elect to consolidate the Torque Server with the Moab Server on the same host, including PBS Server in the list of components installed on the same host.
- Although Moab Workload Manager and Moab Accounting Manager may share the same database instance, it is not a requirement. Two database instances may be used, one for each component.
- Larger systems will require more dedicated resources for each component, in which case it may be necessary to move individual components from the Moab Server Host (i.e. databases, Moab Accounting Manager, and/or Viewpoint) to their own respective servers.
The following table identifies the minimum and recommended hardware requirements for the different environment types. Use this table as a guide when planing out your suite topology.
Software requirements are listed per-component rather than suite-wide as the suite components reside on different hosts. See 6.25 Component Requirements
|
Environment Type |
# of Compute Nodes |
Jobs/ Week |
Minimum Requirements (per Host Distribution) |
Recommended Requirements (targeting minimum number of hosts) |
|---|---|---|---|---|
|
Proof of Concept / Small Demo |
50 |
<1k |
Moab Server+Torque Server Host
Insight Server Host
|
Same as minimum |
|
Medium |
500 |
<100k |
Moab Server+Torque Server Host
Insight Server Host
|
Moab Server+Torque Server Host
Insight Server Host
|
|
Medium with High Throughput or Larger |
>500 |
>100k |
Moab Server Host
Torque Server Host
Insight Server Host
|
The Moab Server should not reside on the same host as the Torque Server.
MWS Server must reside on the same host as the Moab Server (Moab Server Host).
The MAM Server may reside on its own host, on the Moab Host (preferred), or another server's host (except for the Insight Host).
The Viewpoint Server may reside on its own host, on the Moab Server Host (preferred), or another server's host (except for the Insight Server Host).
Databases may also reside on the same or a different host from its server component. |
Please note the following:
- All requirements above (minimum and recommended) target a minimum number of management servers. Administrators are encouraged to separate the Torque Server and the Moab Server onto different hosts where possible for better results; especially when High Throughput is enabled.
- Although many factors may have an impact on performance (network bandwidth, intended use and configuration, etc.), we consider High Throughput as something that makes a significant enough difference between minimum and recommended hardware requirements to merit mention in the table above.
- Moab and Torque are both multi-threaded and perform better with more processors.
- Due to the large amount of data Moab must send to Insight, Moab performs better without Insight enabled (for environments that do not require Viewpoint, or use Crystal Reporting).
- Regarding disk space, consideration should be given to requirements related to log files, log depth, number of jobs/nodes/reservations (more objects impact database journal size), average number of events generated (more events take more space), etc.