A storage grade identifies the type of storage used by a Storage Node to store object data, for example, flash or spinning disk. If you use more than one type of storage, you can optionally create a storage grade to identify each type. Creating storage grades makes it easier to select the Storage Node when configuring storage pools.
Before you begin
- You must be signed in to the Grid Manager using a supported browser.
- To perform this task, you need specific access permissions. For details, see information about controlling system access with administration user accounts and groups.
About this task
When creating storage grades, do not create more storage grades than necessary. For example, do not create one storage grade for each Storage Node. Instead, assign each storage grade to two or more nodes. Storage grades assigned to only one node can cause ILM backlogs if that node becomes unavailable.
Note: You cannot configure storage grades for Archive Nodes.
Steps
- Select .
- Create a storage grade:
- For each storage grade you need to define, click
Insert
to add a row and enter a label for the storage grade.
The Default storage grade cannot be modified. It is reserved for new LDR services added during a StorageGRID Webscale system expansion.
- To edit an existing storage grade, click
Edit
and modify the label as required. Note: You cannot delete storage grades. - Click Apply Changes. These storage grades are now available for assignment to LDR services.
- For each storage grade you need to define, click
Insert
- Assign a storage grade to an LDR service:
- For each Storage Node's LDR service, click Edit and select a storage grade from the list.
Attention: Assign a storage grade to a given Storage Node only once. A Storage Node recovered from failure maintains the previously assigned storage grade. Do not change this assignment once the ILM policy is activated. If the assignment is changed, data is stored based on the new storage grade. - Click Apply Changes.
- For each Storage Node's LDR service, click Edit