Viewing HDFS Storage Pool Information

Context

• On the storage pool management page, you can click to refresh storage pool information.
• On the storage pool management page, you can click or next to a parameter and enter a keyword or select a parameter value to search for the required storage pool information.
• On the storage pool management page, you can click to select the storage pool parameters you want to view.

Procedure

1. Choose Cluster > Cluster > Storage Pool.
2. View information about an HDFS storage pool in the function pane. Table 1 describes related parameters.

   Table 1 Storage pool parameters

   Parameter	Description
   Name	Indicates the name of a storage pool.
   Storage Pool ID	Indicates the ID of a storage pool.
   Status	Indicates the status of a storage pool. Possible values are Normal, Faulty, Write-protected, Stopped, Faulty and write-protected, Migrating data, Degraded, Rebuilding data, Migrating services, and Unknown. NOTE: When expanding or reducing the capacity of a storage pool on DeviceManager, the task is at the Notify EDS scale out or Clear EDS on the storage node step, and the storage pool is in normal status, Status of the storage pool is Migrating services. On the CLI, Migrating services is not included in possible values of storage pool status. A storage pool in such status will be displayed as Normal.
   Service Type	Indicates the service type of a storage pool.
   Total Usable Capacity	Indicates the actual usable physical disk space of a storage pool (Total physical disk capacity – Capacity consumed by EC redundancy – Capacity lost due to hardware faults).
   Used Capacity	Indicates the used physical disk space of a storage pool.
   Capacity Usage	Indicates the ratio of used capacity to total usable capacity of a storage pool.
   Total Available Capacity	Indicates the total amount of data that can be written into a storage pool.
   Used Available Capacity	Indicates the total amount of data that has been written into a storage pool.
   Security Level	Indicates the security level of a storage pool.

   

   You can click the name of a storage pool to view its summary and disk pool information. Table 2 describes related disk pool parameters.

   Table 2 Disk pool parameters

   Parameter	Description
   Disk Pool	Indicates the name of a disk pool.
   ID	Indicates the ID of a disk pool.
   Status	Indicates the status of a disk pool. Possible values are Normal, Faulty, Stopped, Migrating data, Degraded, Rebuilding data, and Unknown.
   Redundancy Policy	Indicates the redundancy policy of a disk pool.
   Main Storage	Indicates the main storage type of a disk pool.
   Tier Grade	Indicates the tier grade of a disk pool.

   

   ID and Tier Grade are not displayed by default. You can click to select them.