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 compression accelerator module is installed on VSP One B26 and VSP One B28.
This table describes the capacity saving statuses for VSP One B26 and VSP One B28.
Capacity saving status | Compression accelerator | Description | Approximate time to change to the next status | Allowed host I/O operations |
---|---|---|---|---|
Disabled | - (Does not depend on the compression accelerator settings) |
Status before setting the capacity saving function. | Not applicable | Read and write |
Enabling | - (Does not depend on the compression accelerator settings) |
The capacity saving function is being initialized. | From a few seconds to minutes | Read and write |
Enabled | Enabled or Disabled | The capacity saving function is enabled. | Not applicable | Read and write |
Deleting Volume This status is not available for DRS-VOLs because the synchronous LDEV deletion cannot be performed. |
- (Does not depend on the compression accelerator settings) |
The capacity saving-enabled DRD-VOL with LDEV formatting complete is being deleted. | From a few seconds to a few minutes. (The LDEV formatting operation can take several minutes through 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 capacity saving-enabled DRD-VOL with LDEV formatting complete while the DRD-VOL is being deleted, the delete operation fails. If this occurs, first format the LDEV, and then delete the DRD-VOL. |
Deleting Volume (nn %) | - (Does not depend on the compression accelerator settings) |
The capacity saving-enabled DP-VOL whose LDEV is not formatted is being deleted. | From a few minutes to a few hours | Read and write |
Converting This status is available only for VSP One B26 and VSP One B28. |
Enabled | Transitioning from data compression with software to data compression with compression accelerator |
From a few seconds to one month (The transition might take one month or more depending on the data size and the load status on the system.) |
Read and write |
Disabled | Transitioning from data compression with compression accelerator to data compression with software |
From a few seconds to one month (The transition might take one month or more depending on the data size and the load status on the system.) |
Read and write | |
Failed | - (Does not depend on the compression accelerator settings) |
The shared memory is volatilized, and the storage system is restarted. | Not applicable | Read-only Because the integrity of the metadata cannot be guaranteed, SIM code 680001 might be output depending on the reading position. If it is output, take corrective action according to the appropriate SIM code. See SIMs for Dynamic Provisioning. |
This table lists the capacity saving status transitions.
Operation | Before operation | Capacity saving processing phase 11 | Capacity saving processing phase 21 | Capacity saving processing is complete |
---|---|---|---|---|
Creating a capacity saving-enabled DRD-VOL on the storage system with the compression accelerator module disabled |
DRD-VOL: None Capacity saving status: Disabled |
DRD-VOL: Available Capacity saving status: Disabled |
DRD-VOL: Available Capacity saving status: Enabling |
DRD-VOL: Available Capacity saving status: Enabled |
Creating a DRD-VOL with capacity saving enabled and compression accelerator disabled2 |
DRD-VOL: None Capacity saving status: Disabled Compression accelerator: - |
DRD-VOL: Available Capacity saving status: Disabled Compression accelerator: - |
DRD-VOL: Available Capacity saving status: Enabling Compression accelerator: - |
DRD-VOL: Available Capacity saving status: Enabled Compression accelerator: Disabled |
Creating a capacity saving-enabled DRD-VOL on the storage system with the compression accelerator module enabled2 |
DRD-VOL: None Capacity saving status: Disabled Compression accelerator: - |
DRD-VOL: Available Capacity saving status: Disabled Compression accelerator: - |
DRD-VOL: Available Capacity saving status: Enabling Compression accelerator: - |
DRD-VOL: Available Capacity saving status: Enabled Compression accelerator: Enabled |
Creating a DRD-VOL with capacity saving enabled and compression accelerator enabled |
DRD-VOL: None Capacity saving status: Disabled Compression accelerator: - |
DRD-VOL: Available Capacity saving status: Disabled Compression accelerator: - |
DRD-VOL: Available Capacity saving status: Enabling Compression accelerator: - |
DRD-VOL: Available Capacity saving status: Enabled Compression accelerator: Enabled |
Deleting an LDEV |
DRD-VOL: Available Capacity saving status: Disabled Compression accelerator: - |
DRD-VOL: Available Capacity saving status: Disabled Compression accelerator: - |
DRD-VOL: None Capacity saving status: - Compression accelerator: - |
|
Deleting an LDEV |
DRD-VOL: Available Capacity saving status: Enabling Compression accelerator: - |
DRD-VOL: Available Capacity saving status: Deleting Volume (nn%) Compression accelerator: - |
DRD-VOL: Available Capacity saving status: Disabled Compression accelerator: - |
DRD-VOL: None Capacity saving status: - Compression accelerator: - |
Deleting an LDEV |
DRD-VOL: Available Capacity saving status: Enabled Compression accelerator: Disabled or Enabled |
DRD-VOL: Available Capacity saving status: Deleting Volume nn%) Compression accelerator: - |
DRD-VOL: Available Capacity saving status: Disabled Compression accelerator: - |
DRD-VOL: None Capacity saving status: - Compression accelerator: - |
Deleting an LDEV |
DRD-VOL: Available Capacity saving status: Converting Compression accelerator: Disabled or Enabled |
DRD-VOL: Available Capacity saving status: Deleting Volume (nn%) Compression accelerator: - |
DRD-VOL: Available Capacity saving status: Disabled Compression accelerator: - |
DRD-VOL: None Capacity saving status: - Compression accelerator: - |
Deleting an LDEV |
DRD-VOL: Available Capacity saving status: Deleting Volume Compression accelerator: - |
DRD-VOL: Available Capacity saving status: Deleting Volume (nn%) Compression accelerator: - |
DRD-VOL: Available Capacity saving status: Disabled Compression accelerator: - |
DRD-VOL: None Capacity saving status: - Compression accelerator: - |
Deleting an LDEV of formatted DRD-VOL |
DRD-VOL: Available Capacity saving status: Enabling Compression accelerator: - |
DRD-VOL: Available Capacity saving status: Deleting Volume Compression accelerator: - |
DRD-VOL: Available Capacity saving status: Disabled Compression accelerator: - |
DRD-VOL: None Capacity saving status: - Compression accelerator: - |
Deleting an LDEV of formatted DRD-VOL |
DRD-VOL: Available Capacity saving status: Enabled Compression accelerator: Disabled or enabled |
DRD-VOL: Available Capacity saving status: Deleting Volume Compression accelerator: - |
DRD-VOL: Available Capacity saving status: Disabled Compression accelerator: - |
DRD-VOL: None Capacity saving status: - Compression accelerator: - |
Restarting the storage system with shared memory data volatilization |
Capacity saving status: Enabling Compression accelerator: - |
Capacity saving status: Enabling Compression accelerator: - |
Capacity saving status: Failed Compression accelerator: - |
|
Restarting the storage system with shared memory data volatilization |
Capacity saving status: Enabled Compression accelerator: Disabled or enabled |
Capacity saving status: Enabled Compression accelerator: Disabled or enabled |
Capacity saving status: Failed Compression accelerator: - |
|
Restarting the storage system with shared memory data volatilization |
Capacity saving status: Converting Compression accelerator: Disabled or enabled |
Capacity saving status: Converting Compression accelerator: Disabled or enabled |
Capacity saving status: Failed Compression accelerator: - |
|
Restarting the storage system with shared memory data volatilization |
Capacity saving status: Deleting Volume Compression accelerator: - |
Capacity saving status: Deleting Volume Compression accelerator: - |
Capacity saving status: Failed Compression accelerator: - |
|
Restarting the storage system with shared memory data volatilization |
Capacity saving status: Deleting Volume (nn%) Compression accelerator: - |
Capacity saving status: Deleting Volume (nn%) Compression accelerator: - |
Capacity saving status: Failed Compression accelerator: - |
|
Initializing duplicated data with compression accelerator status disabled |
Capacity saving status: Deleting Volume Compression accelerator: - |
Capacity saving status: Deleting Volume Compression accelerator: - |
Capacity saving status: Enabled Compression accelerator: Disabled |
|
Initializing duplicated data with compression accelerator status disabled |
Capacity saving status: Deleting Volume (nn%) Compression accelerator: - |
Capacity saving status: Deleting Volume (nn%) Compression accelerator: - |
Capacity saving status: Enabled Compression accelerator: Disabled |
|
Initializing duplicated data with compression accelerator status disabled |
Capacity saving status: Failed Compression accelerator: - |
Capacity saving status: Failed Compression accelerator: - |
Capacity saving status: Enabled Compression accelerator: Disabled |
|
Initializing duplicated data with compression accelerator status hybrid or enabled |
Capacity saving status: Deleting Volume Compression accelerator: - |
Capacity saving status: Deleting Volume Compression accelerator: - |
Capacity saving status: Enabled Compression accelerator: Enabled |
|
Initializing duplicated data with compression accelerator status hybrid or enabled |
Capacity saving status: Deleting Volume (nn%) Compression accelerator: - |
Capacity saving status: Deleting Volume (nn%) Compression accelerator: - |
Capacity saving status: Enabled Compression accelerator: Enabled |
|
Initializing duplicated data with compression accelerator status hybrid or enabled |
Capacity saving status: Failed Compression accelerator: - |
Capacity saving status: Failed Compression accelerator: - |
Capacity saving status: Enabled Compression accelerator: Enabled |
|
Disabling compression accelerator |
Capacity saving status: Enabled Compression accelerator: Enabled |
Capacity saving status: Converting Compression accelerator: Disabled |
Capacity saving status: Enabled Compression accelerator: Disabled |
|
Disabling compression accelerator |
Capacity saving status: Converting Compression accelerator: Enabled |
Capacity saving status: Converting Compression accelerator: Disabled |
Capacity saving status: Enabled Compression accelerator: Disabled |
|
Enabling compression accelerator |
Capacity saving status: Enabled Compression accelerator: Disabled |
Capacity saving status: Converting Compression accelerator: Enabled |
Capacity saving status: Enabled Compression accelerator: Enabled |
|
Enabling compression accelerator |
Capacity saving status: Converting Compression accelerator: Disabled |
Capacity saving status: Converting Compression accelerator: Enabled |
Capacity saving status: Enabled Compression accelerator: Enabled |
|
Notes:
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