Dell-Omnia-Clusters-HPC-AI/docs/control_plane/input_parameters/POWERVAULT_STORAGE.md

Dell EMC PowerVault Storage

Update the input parameters

Under the control_plane/input_params directory, edit the following files:

1. base_vars.yml file: Update the following variable to enable or disable PowerVault Storage configurations in the cluster.

   Variable	Default, choices	Description
   powervault_support	false true	Set the variable to "true" to enable PowerVault Storage configurations.

2. login_vars.yml file: Enter the following details to configure PowerVault Storage devices.
   a. powervault_me4_username- username for PowerVault Storage devices.
   NOTE: The username must not contain the following characters: -, \, "", and \'
   b. powervault_me4_password- password for PowerVault Storage devices.
   NOTE: Minimum length of the password must be eight characters and the maximum limit is 30 characters. The password must contain at least one uppercase, lowercase, numeric, and non-alphanumeric character. Do not use these characters while entering a password: -, ., \,, <, \, "", and \'

3. powervault_me4_vars file: If powervault_support is set to "true" in the base_vars.yml file, then update the following variables.

   A RAID 10 or 50 disk group with disks in subgroups are separated by colons (with no spaces). RAID-10 example:1.1-2:1.3-4:1.7,1.10 NOTE: Ensure that the entered disk location is empty and the Usage column lists the range as AVAIL. The disk range specified must be of the same vendor and they must have the same description.

   Variables	Default, choices	Description
   locale	English	Represents the selected language. Currently, only English is supported.
   powervault_me4_system_name [Optional]	Uninitialized_Name User-defined name	The system name used to identify the PowerVault Storage device. The name should be less than 30 characters and must not contain spaces.
   powervault_me4_snmp_notify_level [Required]	none crit error warn resolved info	Select the SNMP notification levels for PowerVault Storage devices.
   powervault_me4_raid_levels [Required]	raid1 Examples: r5/raid5: 3-16 r6/raid6: 4-16 r10/raid10: 4-16 adapt: 12-128	Enter the required RAID levels and the minimum and maximum number of disks for each RAID levels.
   powervault_me4_disk_range [Required]	0.1-2	Enter the range of disks in the format enclosure-number.disk-range,enclosure-number.disk-range. For example, to select disks 3 to 12 in enclosure 1 and to select disks 5 to 23 in enclosure 2, you must enter 1.3-12, 2.5-23.

   powervault_me4_k8s_volume_name [Required]
   • k8s_volume
   • User-defined name
   Enter the Kubernetes volume name. powervault_me4_slurm_volume_name [Required]
   • slurm_volume
   • User-defined name
   Enter the Slurm volume name. powervault_me4_disk_group_name
   • omnia
   • User-defined name
   Enter the group name of the disk. powervault_me4_disk_partition_size [Required]
   • 5
   • Any value between 5-90
   Enter the partition size which would be used as an NFS share. powervault_me4_volume_size [Required]
   • 100GB
   • Custom value
   Enter the volume size in the format: SizeTB, SizeGB, SizeMB, or SizeB. powervault_me4_pool [Required]
   • a (or A)
   • b (or B)
   Enter the pool for the volume. powervault_me4_pool_type [Required]
   • Virtual
   • Linear
   Select the type of pool to be deployed on PowerVault. Ensure that all pools on the device are exclusively virtual or linear. powervault_me4_server_nic [Required]
   • eno1
   Enter the NIC of the server to which the PowerVault Storage is connected.

Deploy Omnia Control Plane

Before you configure the PowerVault Storage devices, you must complete the deployment of Omnia control plane. Go to Step 8 in the Steps to install the Omnia Control Plane file to run the ansible-playbook control_plane.yml file.