Managing quota by using GUI

You can create new quotas or modify existing ones. A quota is the amount of disk space and the amount of metadata that is assigned as upper limits for a specified user, group of users, or fileset. The IBM Storage Scale management GUI provides options to manage both capacity and inode quotas.

To define user, group, of fileset quota, you need to enable quota for the file system if it is already not enabled. You can enable quota for the file system from the Enable Quota option that is available in the Settings tab of the Files > Quotas page of the IBM Storage Scale GUI.
You can define user, group, and fileset quota from the Files > Quotas page. The following procedure explains how to define user quota:
  1. Go to Files > Quotas page in the IBM Storage Scale GUI.
    The following options are available under the various tabs of the Quotas page:
    User
    • Define soft and hard limit for the capacity and inode.
    • Monitor quota.
    • Create, modify, and delete quota.
    • Change explicit quota to default quota.
    Group
    • Create group quota at the file system level. You can define a soft and hard limit for the capacity and inodes.
    • Monitor group quota.
    • Modify and delete group quota.
    • Change the group quota to default group quota.
    Fileset
    • Create fileset quota at the file system level. You can define a soft and hard limit for the capacity and inodes.
    • Monitor fileset quota.
    • Modify and delete fileset quota.
    • Change the fileset quota to default fileset quota.
    Settings
    • Enable or disable quota. You need to enforce quota at the file system level to enable user, group, and fileset quotas.
    • Change the quota accounting scope. The quota accounting can be done either at the file system level or per fileset level. Users and groups can have a different quota limits in each fileset, if the accounting scope is per fileset.
    • Check quota. This task takes significant amount of time to complete the process and it has some performance impact on the system.
    • Change grace periods set for soft limit. You can define soft limit for the capacity and number of inodes. When the soft limit is reached, the system starts a grace period. Users cannot write any more data when the grace period is over, or the hard limit is reached.
    Default Quota
    • Modify the default quota set for user, group, and filesets.
    • View the existing default quota definitions that are defined for each file system.

    This procedure explains how to create user quota. So, the corresponding options are selected in the following steps.

  2. From the User tab, click Create User Quota.
  3. In the File system field, select the file system for which you need to define user quota.
  4. Specify the user ID in the User ID field. The Used Capacity field displays the already used capacity by the user.
  5. Define the soft limit in the Soft Limit (Capacity) field. The value must be between 256 KiB and the hard limit. At the soft quota limit, a grace period starts. Data can be written until the grace period is expired or the hard quota limit is reached.
  6. Define the hard limit in the Hard Limit (Capacity) field. The hard capacity limit defines the maximum capacity that can be allocated for the fileset, user, or group. You cannot write more data when the quota limit is reached, unless you remove the existing files.
  7. Specify the soft limit for inodes in the Soft Limits (Inodes) field.
  8. Specify the hard limit for inodes in the Hard Limit (Inodes) field.
  9. Click Create. The user quota is created and you can see it from the user quota table.