4.13 How to discard unused blocks in a pool?

The unused blocks in the selected pool can be freed by using the Discard option, making them available for usage. This functionality is supported only on thin-provisioned SCSI devices with VMware ESXi on a linear target.

Table 4-2 Support Matrix

Device Type

Provisioning Type

Support on Pool

SCSI Devices with Vmware ESXi

Thin

 

Supported

SCSI Devices with Vmware ESXi

 

Thick

Not Supported

SCSI Devices with Vmware ESXi

Thin

Thick

Not Supported

RAID Devices

Any type

Any type

Not Supported

Pools that contain Snapshots

Any type

Any type

Not Supported

  1. In UMC, click Storage > Pools.

  2. Search or browse the servers to list the pools associated with them.

  3. Select the pool, click More Options icon, click Modify, and then select Discard Unused Blocks.

    NOTE:If you select multiple pools, the More Options icon is available at the top right corner of the table.

  4. Click CONFIRM to discard the unused blocks in the selected pool.

    The process is executed in the background and discards unused blocks on the selected pool.