Volume Migration

• View Migration Plans: Opens the View Migration Plans window.
• View Histories: Opens the View Histories window.

Number of LDEVs

• Allocated: Number of allocated LDEVs.
• Unallocated: Number of unallocated LDEVs.
• Reserved: Number of reserved LDEVs.
• V-VOLs: Number of allocated V-VOLs.

Total Number of LDEVs

Total number of LDEVs.

Format/Shredding Task Status

Formatting n %: Displays the percentage of the progress of formatting processing.

Preparing Quick Format n %: Displays the percentage of the progress of the preparing quick format processing.

Shredding n %: Displays the percentage of the progress of the shredding processing.

Verifying n % (x / y parity groups): Displays the progress of the verifying. n represents the progress of the verifying. x represents the number of parity groups that are completed of verifying. y represents the number of all parity groups that are to be verified

Blank: Displays a blank when formatting or shredding does not perform. If the information cannot be obtained, for example being changed of the storage system configuration, a blank is displayed.

LDEV ID

LDEV identifier, which is the combination of LDKC, CU, and LDEV.

LDEV Name

LDEV name.

Status

LDEV status:

• Normal: Normal status.
• Blocked: Hosts cannot access a blocked volume.
• Warning: Problem occurs in the volume.
• Formatting: Volume is being formatted.
• Preparing Quick Format: Volume is being prepared for quick formatting.
• Quick Formatting: Volume is being quick-formatted.
• Correction Access: Access attribute is being corrected.
• Copying: Data in the volume is being copied.
• Read Only: Data cannot be written on a read-only volume.
• Shredding: Volume is being shredded.
• - (hyphen): Any status other than the above.

PIN Status

Displays the PIN status.

V-VOL Management Task¹

Displays the V-VOL management task being performed on a Dynamic Provisioning, Dynamic Tiering, or a V-VOL.

• Reclaiming Zero Pages: The process is in progress.
• Waiting for Zero Page Reclaiming: The process has been waited.
• Blank: The V-VOL management task can be performed on the volume, but the task is not currently in process.
• - (hyphen): The V-VOL management task cannot be performed on the volume.

Capacity

LDEV capacity.

Capacity Saving¹

Capacity saving setting of the LDEV:

• Compression: The compression function is used.
• Deduplication and Compression: The deduplication and compression functions are used.
• Disabled: The capacity saving function is not used.

Capacity Saving Status¹

Status of the capacity saving function:

• Enabling: The format for enabling the capacity saving function is being performed.
• Rehydrating: The format for disabling the capacity saving function is being performed.
• Deleting Volume: The deletion of DP-VOL whose capacity saving function is Enabled is being performed.
• Enabled: The capacity saving function is enabled.
• Disabled: The capacity saving function is disabled.
• Failed: Data cannot be secured.
• - (hyphen): The LDEV does not support the capacity saving function.

Deduplication Data¹

Displays whether the deduplication function is applied to the volume (DP-VOL).

• Enabled: The deduplication function is applied.
• Disabled: The deduplication function is not applied.
• - (hyphen): The LDEV is not a DP-VOL, or the firmware version does not support deduplication.

If the capacity saving setting of a DP-VOL is Deduplication and Compression, Enabled is displayed even if the used capacity is 0.

When the capacity saving setting is Disabled and the disabling of the capacity saving setting is in process, Enabled is displayed for Deduplication Data while deduplicated data remains in the DP-VOL. When the disabling of the capacity saving setting is complete and no deduplicated data remains in the DP-VOL, Disabled is displayed.

Number of paths

Number of paths set for the LDEV.

Provisioning Type

Provisioning type to be assigned to the LDEV.

• Basic: Internal volume.
• DP: DP-VOL
• External: External volume.
• External MF: Migration volume.
• Snapshot: Thin Image volume.
• ALU: LDEV of the ALU attribution.

Attribute

Attribute of the volume indicating how the LDEV is being used.

• Command Device: Volume is a command device.
• Remote Command Device: Volume is a remote command device.
• JNL VOL: Volume is a journal volume.
• Pool VOL: Volume is a pool volume. The number in parentheses shows the pool identifier.
• Quorum Disk: Quorum disk for global-active device.
• ALU: LDEV of the ALU attribution.
• SLU: LDEV of the SLU attribution.
• Data Direct Mapping: LDEV with the data direct mapping attribute enabled.
• Deduplication System Data Volume (Fingerprint): LDEV used to manage data deduplication.
• Deduplication System Data Volume (Data Store): LDEV used to manage data deduplication.
• - (hyphen ): Volume other than the above.

Access Attribute¹

Displays the access attribute of the LDEV.

Pool Name (ID)

Pool name (pool identifier).

Parity Group ID

Parity group identifier.

RAID Level

RAID level. An asterisk (*) indicates that the parity group that the LDEV belong to is interleaved (concatenated).

MP Unit ID²

MP unit identifier.

Encryption¹

Encryption information:

• Enable: Encryption setting of a parity group in which the LDEV is placed is enabled. Or the virtual volume associated with the pool whose pool-VOLs are enabled of the encryption setting.
• Disable: Encryption setting of a parity group (or a pool) in which the LDEV is placed is disabled. Or the virtual volume associated with the pool whose pool-VOLs are disabled of the encryption setting.
• Mixed: This status is displayed when two or more of the following are specified as pool-VOLs:
  • Volume encryption setting is enabled.
  • Volume encryption setting is disabled.
  • External volume

  Caution: The data encryption is not ensured in the pool that has the Mixed encryption setting. To manage the data encryption securely, use the pool with an encryption setting of Enabled or Disabled.

• - (hyphen): External volume. For DP-VOL of Dynamic Provisioning, either the pool-VOL in the pool that owns DP-VOL is an external volume or that pool is being blocked.

Expanded Space Used¹

Displays the information that LDEV is allocated in the expanded area or the physical area. If the accelerated compression is enabled, LDEVs are initially allocated in the physical area, then LDEVs are allocated in the expanded area.

This item displays whether the LDEV area is allocated in the expanded or physical area.

• Yes: LDEV is allocated in the expanded area.
• No: LDEV is allocated in the physical area.

ALUA Mode

Information about the ALUA mode.

• Enabled: LDEV can be used in ALUA.
• Disabled: LDEV cannot be used in ALUA.

T10 PI¹

The LDEV's T10 PI attribute setting (Enabled or Disabled).

External Storage System¹

Information about the external storage system.

If LDEV is the DP-VOL of the data direct mapping attribure, the information about the external storage system to which LDEV is being mapped appears.

• Vendor/Model/Serial Number: The information about these items of the external storage system is displayed. A hyphen(-) appears if an external storage system is not mapped to LDEV.
• Path Group ID: The information about this item of the external storage system is displayed. If the link of the path group id is clicked, the Mapped Volumes tab appears. A hyphen (-) appears if an external storage system is not mapped to LDEV.

Data Direct Mapping¹

Information about the data direct mapping.

• LDEV ID: LDEV ID of the pool-VOL in the pool with data direct mapping enabled, or LDEV ID of the DP-VOL with data direct mapping enabled. If the link of LDEV ID is clicked, the LDEV Properties window appears. If data direct mapping is disabled, a hyphen (-) is displayed. If a DP-VOL with data direct mapping enabled is not created in the pool with data direct mapping enabled, this field is blank.
• Parity Group ID: Parity Group ID of the pool-VOL in the pool with data direct mapping enabled. If data direct mapping is disabled, a hyphen (-) is displayed.

Resource Group Name (ID)¹

Name and ID of the resource group to which this LDEV belongs.

Virtual Storage Machine¹

Information about the virtual storage machine.

• Model / Serial Number¹: Model name and serial number of the virtual storage machine that has the LDEV.
• LDEV ID¹: Virtual LDEV ID. If a Virtual LDEV ID is not assigned to LDEV, this column is blank.
• Device Name¹: Virtual device name, which is a combination of the virtual emulation type, virtual LUSE volume number, and the virtual CVS attribute. Values of the virtual emulation type, virtual LUSE volume number, and virtual CVS attribute appear only for items that have been set. This column is blank when the virtual emulation type, virtual LUSE volume number, and virtual CVS attribute are not set. If the virtual CVS attribute is set, CVS is attached as the suffix to the device name.
• SSID¹: Virtual SSID. If Virtual SSID is not set for LDEV, this column is blank.

Create LDEVs

Opens the Create LDEVs window.

Add LUN Paths

Opens the LUN Paths window.

Edit LDEVs

Opens the Edit LDEVs window.

Format LDEVs³

Opens the Format LDEVs window.

Delete LDEVs³

Opens the Delete LDEVs window.

Shred LDEVs³

Opens the Shred LDEVs window.

Delete LUN Paths³

Opens the Delete LUN Paths window.

Edit Command Device³

Opens the Edit Command Devices window

Block LDEVs³

Opens the Block LDEVs window.

Restore LDEVs³

Opens the Restore LDEVs window.

Assign MP Unit

Opens the Assign MP Unit window.

Delete UUIDs³

Opens the Delete UUIDs window.

Reclaim Zero Pages³

Opens the Reclaim Zero Pages window.

Stop Reclaiming Zero Pages³

Opens the Stop Reclaiming Zero Pages window.

Expand V-VOLs³

Opens the Expand V-VOLs window.

View Tier Properties³

Opens the View Tier Properties window.

Migrate Volumes³

Opens the Migrate Volumes window.

Interrupt LDEV Task³

Select Interrupt Format Task to display the Interrupt Formatting Task window.

Select Interrupt Shredding Task to display the Interrupt Shredding Task window.

Force Delete Pairs³

• TC Pairs: Opens the Force Delete Pairs (TC Pairs) window. For details see the TrueCopy User Guide .
• UR Pairs: Opens the Force Delete Pairs (UR Pairs) window. For details see the Universal Replicator User Guide.
• GAD Pairs: Opens the Force Delete Pairs (GAD Pairs) window. For details see the Global-Active Device User Guide.

ALUs/SLUs³

Opens the ALUs / SLUs window.

Unbind SLUs³

Opens the Unbind SLUs window.

Export³

Opens a window where you can export configuration information listed in the table to a file that can be used for multiple purposes, such as backup or reporting.

Notes:

1. Does not appear by default. To display this item, change the Column Settings for the table.
2. If an MP unit is blocked due to a failure, the processing to be performed by the MP unit where the failure occurred is taken over by another normal MP unit. See the following table.
3. Available when you click More Actions.