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Why can't I use the ECS console to operate E-HPC cluster nodes?

Last Updated: Aug 08, 2018

Though Elastic High Performance Computing (E-HPC) clusters are created on ECS, E-HPC has additional deployment procedures, including but not limited to the following:

  • E-HPC activates multiple ECS for all node types according to a predefined node ratio (for example, when high availability is activated, the ratio of control nodes to logon nodes to computing nodes is 4:1:n) and specified instance configuration.

  • E-HPC deploys a control system after ECS is activated for all nodes.

  • E-HPC uses the control system to pre-install the selected software and dependent packages.

  • E-HPC configures the server and client of the job scheduler based on node types.

The preceding operations and related services depend on the E-HPC cluster deployment procedures. If you operate nodes in the ECS console, exceptions such as cluster creation failure, node disconnection, and scheduling system failure may occur. Therefore, do not use the ECS console to operate E-HPC cluster nodes unless you are troubleshooting.

If you have special requirements, use the ECS console to operate nodes only under the guidance of E-HPC development and maintenance personnel.

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