Creating CephFS subvolume groups

Create Ceph File System (CephFS) subvolume groups on the IBM Storage Ceph dashboard. You can use subvolume groups to apply policies across a set of subvolumes.

Before you begin

  • A working IBM Storage Ceph cluster with Ceph File System deployed.

About this task

You can create subvolume groups to create subvolume on the dashboard.

Procedure

  1. From the dashboard navigation, go to File > File Systems.
  2. From the listed volumes, select the row for which you want to create subvolumes and expand the row.
  3. From the Subvolume groups tab, click Create to create a subvolume group.
  4. In the Create Subvolume group window, enter the following parameters:
    • Name: Set the name of the subvolume group.
    • Volume name: Validate that the correct name of the volume is selected.
    • Size: Set the size of the subvolume group. If left blank or entered as 0, then, by default, the size will be set as infinite.
    • Pool: Set the pool of the subvolume group. By default, data_pool_layout of the parent directory is selected.
    • UID: Set the UID of the subvolume group.
    • GID: Set the GID of the subvolume group.
    • Mode: Set the permissions for the directory. By default, the mode is 755 which is rwxr-xr-x.
  5. Click Create Subvolume group.
    A notification displays that the subvolume group was created successfully.