GlusterFS is a scalable network filesystem suitable for data-intensive tasks such as cloud storage and media streaming. GlusterFS is free and open source software and can utilize common off-the-shelf hardware, distributed file system capable of scaling to several petabytes and handling thousands of clients. It is a file system with a modular, stackable design, and a unique no-metadata server architecture. This no-metadata server architecture ensures better performance, linear scalability, and reliability.
Gluster volume quota feature provides users a mechanism to control the disk utlization at volume level or directory level or both. This is particularly useful in cloud deployments to facilitate the use of utility billing models.
– In this guide, we will show you how to manage Quota on Glusterfs Server at volume level or directory level. In this articles, we will go through those steps:
- Enabling Quotas
- Disabling Quotas
- Setting limits usage at the Volume Level or Directory Level
- Displaying quota list
- Displaying Disk Limit Informationat volume level or directory level
1. Enabling Quotas
– To set disk limits you have to enable the quotas on the volume using the following command:
# gluster volume quota volume_name enable volume quota : success
2. Setting or Replacing Disk Limit
You can create new directories in your storage environment and set the disk limit or set disk limit for the existing directories.
– For example, to set limit to 10GB on the test-volume, you can use the following command:
# gluster volume quota test-volume limit-usage / 10GB
– For example, to set limit on data directory on the test-volume where data is a directory under the export directory:
# gluster volume quota test-volume limit-usage /data 10GB Usage limit has been set on /data
3. Displaying Disk Limit Information
– To display disk limit information on all the directories on which the limit is set, you can use the following command:
# gluster volume quota list
– For example, to see the set disks limit on the test-volume:
# gluster volume quota test-volume list /Test/data 10 GB 6 GB
Display disk limit information on a particular directory on which limit is set, using the following command:
# gluster volume quota volume_name list /directory_name
– For example, to view the set limit on /data directory of test-volume:
# gluster volume quota test-volume list /data /Test/data 10 GB 6 GB
4. Disabling Quota
– To disable quota, use the following command:
# gluster volume quota disable
– For example, to disable quota on the test-volume:
# gluster volume quota test-volume disable Quota translator is disabled on /test-volume
To read more about Gluster volume quota feature, see :http://docs.gluster.org/en/latest/Administrator%20Guide/Directory%20Quota/
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