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Deselect Delete cloud server and delete this cluster. Use the cloud server to deploy another cluster. Parent topic: FAQs
Node management Query, start, stop, restart, and delete nodes in HPC-S² clusters. Shared storage management Provide storage for HPC-S² clusters by using Scalable File Service (SFS).
Handling Methods Delete the cluster. Manually bind an EIP to a compute node that was successfully created and then use it together with other compute nodes to create a new cluster. Delete the abnormal compute node to bring the cluster back to work. Parent topic: FAQs
User Management Has a built-in administrator account that can be used to create and delete common users. These users are assigned different roles to access the cluster UIs.
You can delete the clusters that are no longer needed and create new ones again. Parent topic: FAQs
# useradd rhel; su - rhel Obtain PKEY, delete the third digit of PKEY, and use this value to replace {pkey} in 4.d. # cat /sys/class/infiniband/mlx5_0/ports/1/pkeys/* | grep -v 0000 | head -n1 For example, if the obtained PKEY is 0x8f05, delete the third digit to obtain 0xf05.
# useradd rhel; su - rhel Obtain PKEY, delete the third digit of PKEY, and use this value to replace {pkey} in 4.d. # cat /sys/class/infiniband/mlx5_0/ports/1/pkeys/* | grep -v 0000 | head -n1 For example, if the obtained PKEY is 0x8f05, delete the third digit to obtain 0xf05.
Do not modify or delete files in the /usr/local/.hpccluster directory. Otherwise, the cluster may encounter errors. The authorized_keys file in the /usr/local/.hpccluster/role/.ssh/ directory is used only for system maintenance.
Deleting an HPC Cluster Scenarios If a cluster is no longer needed, you can delete it. If you do not select Delete cloud server when you delete the cluster, these servers will be retained and continue to be billed after the cluster is deleted.
If an EVS disk is attached to a node in the cluster, the disk is not deleted and is still being billed even if you select Delete cloud server when you delete the cluster. To stop billing, manually delete the EVS disk. Parent topic: FAQs
If you do not select Delete cloud server, all cloud servers will be retained. Parent topic: Node Management
Managing Reservations Update reservation parameters (for example, modifying the duration). scontrol update ReservationName=<Name> Duration=<New duration> Delete a reservation. scontrol delete ReservationName=<name> Preventing Non-specified Users from Using Reserved Resources You can
