Logical Devices window

Use this window to view information about logical devices. Only the LDEVS assigned to the logged-on user are available.

Summary

Item

Description

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 progress of the format task.

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

Shredding n %: Displays the progress of the shredding.

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: States that the format, shredding, or verifying is not being performed. If the configuration of the storage system is being changed, this field is also blank because the information cannot be collected.

View Migration Plans*

Open the View Migration Plans window. For details, see the Hitachi Volume Migration User Guide.

View Histories*

Open the View Histories window. For details, see the Hitachi Volume Migration User Guide.

*Available when you select Volume Migration.

LDEVs tab

Item

Description

LDEV ID

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

LDEV Name

LDEV name.

Status

LDEV status.

Normal: Normal status.

Blocked: Host 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, 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.

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.

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.

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 ID1,2

MP unit identifier.

Encryption1

Encryption information.

Enable: encrypted parity group

Disable: non-encrypted parity group

If the parity group in which the encryption setting is not defined, a hyphen (-) is displayed.

Resource Group Name (ID)1

Resource group name and identifier of which this LDEV is a member.

Virtual Storage Machine1

Information about the virtual storage machine.

  • Model / Serial Number1: Model name and serial number of the virtual storage machine that has 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 Unit3

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.

Migrate Volumes3

Opens the Migrate Volumes window. For details, see Hitachi Volume Migration User Guide.

Interrupt Shredding Task3

Opens the Interrupt Shredding Task window.

Force Delete Pairs (TC Pairs)3

Opens the Force Delete Pairs (TC Pairs) window. For details see Hitachi TrueCopy® User Guide.

Force Delete Pairs (UR Pairs)3

Opens the Force Delete Pairs (UR Pairs) window. For details see Hitachi Universal Replicator User Guide.

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.

1Does not appear by default. To display this item, change the Column Settings of the table option.

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 "MP unit priorities after takeover" for priorities assumed by MP blades after takeover.

3 Available when you click More Actions.

MP unit priorities after takeover

The following table shows the MP unit priorities after takeover.

MP unit blocked by failure

Priority assumed by MP units after takeover

1st

2nd

3rd

MPU10

MPU11

MPU21

MPU20

MPU11

MPU10

MPU20

MPU21

MPU20

MPU21

MPU11

MPU10

MPU21

MPU20

MPU10

MPU11