All user data, scheduler data, and job data in an E-HPC cluster are stored in shared file systems that every node in the cluster can access. A file system must be mounted when you create a cluster. If a single file system is approaching its performance or capacity limit, mount additional file systems to distribute the load and support larger workloads. This topic describes how to mount and unmount a File Storage NAS (NAS) file system on an existing E-HPC cluster.
Prerequisites
Before you begin, ensure that you have:
Activated File Storage NAS, and created a NAS file system and a mount target in the same virtual private cloud (VPC) as the E-HPC cluster. For more information, see Create a file system and Create a mount target
A cluster image that is a public image or a shared image
Mounting a file system on a cluster that uses a custom image does not work as expected.
Mount a file system
By default, the /ehpcdata, /home, and /opt directories already have file systems mounted. Mount additional file systems to other directories as needed.
A newly mounted file system is automatically mounted on compute nodes added after the mount operation. It is not mounted on existing compute nodes.
Log on to the E-HPC console.
In the top navigation bar, select a region.
In the left-side navigation pane, choose Resource Management > Storage.
From the Cluster drop-down list, select the target cluster, and then click the Resource Management tab.
On the Resource Management tab, click Mount Storage Resource.
In the panel that appears, configure the following parameters, and then click OK.
Parameter Description Local Directory The directory on the cluster where the file system is mounted. If the directory does not exist, E-HPC creates it automatically. The existing content in this directory is overwritten by the file system content — specify this parameter with caution. Storage Instance ID The ID of the NAS file system. Mount Point Address The endpoint of the NAS mount target. Remote Mounting Directory The directory within the NAS file system to mount to the cluster. Mount Configurations The Network File System (NFS) protocol version used for the mount.
Unmount a file system
Unmounting a file system removes the mount relationship between the cluster and the NAS file system.
You cannot unmount file systems from the /ehpcdata, /home, or /opt directory.
In the left-side navigation pane of the E-HPC console, choose Resource Management > Storage.
From the Cluster drop-down list, select the target cluster, and then click the Resource Management tab.
Select the directory from which you want to unmount the file system, click Dismount Storage Resource, and follow the on-screen instructions to delete the file system.
What's next
Monitor the performance and capacity of shared storage in the E-HPC console. For more information, see Monitor storage resources.