Disabling accelerated compression

Before you begin

• You must have the Storage Administrator (Provisioning) role.

• Set the parity group drive type to FMC.

• You should format the parity group.

• The emulation type of the target parity group must be OPEN-V.

• The target parity group must be in a storage system (an internal parity group).

• The RAID level and drive configuration of the target parity group must be accessible for use for pool volumes.

• The status of LDEVs in the target parity group must be Normal or Blocked.

• The Expanded Spaced Used column for the parity group must be No.

Procedure

1. Display the parity group for which you want to disable accelerated compression.

In Command Suite:

1. On the Resources tab, click Storage Systems, and then expand All Storage Systems and the target storage system.

2. Click Parity Groups of the target storage system.

In Device Manager - Storage Navigator:

1. Perform one of the following to display the Parity Groups tab:

- To display all parity groups in the storage system, in the storage system tree, select Parity Groups, then select the Parity Groups tab.

- To display parity groups related to Internal, in the storage system tree, expand Parity Groups, select Internal, then select the Parity Groups tab.

2. Select the target parity group.

2. Format the parity group.

 Before you disable the accelerated compression on a parity group, you must format the parity group.

3. Open the Edit Parity Groups window.

In Command Suite:

• Select one or more parity groups, and then click Edit Parity Groups.

In Device Manager - Storage Navigator:

• Click More Actions > Edit Parity Groups.

4. In the Accelerated Compression setting, check Disable.

5. Click Finish.

6. In the Confirm window, confirm the settings. In Task Name, type a unique name for this task or accept the default, then click Apply. If Go to tasks window for status is checked, the Tasks window opens.