Capacity saving status
The capacity saving status of a DP-VOL indicates the processing progress of the capacity saving function and the availability of the host I/O operations. The following table lists and describes the capacity saving status terms.
|
Capacity saving status |
Description |
Approximate time to change to the next status |
Allowed host I/O operations |
|
Disabled |
The capacity saving function is disabled. |
Not applicable |
Read and write |
|
Enabling |
The capacity saving function is being initialized. |
From a few seconds to minutes |
Read and write |
|
Enabled |
The capacity saving function is enabled. |
Not applicable |
Read and write |
|
Rehydrating |
The capacity saving function is being changed to disable. |
From a few hours to a few days |
Read and write |
|
Deleting Volume |
The capacity saving-enabled DP-VOL which is formatted is being deleted. |
From a few seconds to a few minutes The LDEV formatting operation can take from several minutes to several hours. While the LDEV formatting operation is in progress, the capacity saving status is shown as Enabled. |
None If I/Os are issued to a formatted and capacity saving-enabled DP-VOL while the DP-VOL is being deleted, the delete operation fails. If this occurs, first format the DP-VOL, and then delete the DP-VOL. |
|
Deleting Volume (nn%) |
The capacity saving-enabled DP-VOL is being deleted. |
From a few minutes to a few hours |
Read and write |
|
Failed |
The integrity of the metadata cannot be guaranteed. This status occurs when the shared memory is volatilized and the storage system is restarted. |
Not applicable |
Read only |
The following figure illustrates the transition of the capacity saving status.
