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 |
|
Volume Migration |
For details, see the Volume Migration User Guide. |
|
Number of LDEVs |
|
|
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. |
LDEVs tab
|
Item |
Description |
|
LDEV ID |
LDEV identifier, which is the combination of LDKC, CU, and LDEV. |
|
LDEV Name |
LDEV name. |
|
Status |
LDEV status.
|
|
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.
|
|
Capacity |
LDEV capacity. |
|
Capacity Saving1 |
Capacity saving setting of the LDEV:
|
|
Capacity Saving Status1 |
Status of the capacity saving function:
|
|
Deduplication Data1 |
Displays whether the deduplication function is applied to the volume (DP-VOL).
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.
|
|
Attribute |
Attribute of the volume indicating how the LDEV is being used.
|
|
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:
This item is not displayed when using Virtual Storage Platform G200. |
|
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.
|
|
Data Direct Mapping1 |
Information about the data direct mapping.
|
|
Resource Group Name (ID)1 |
Resource group name and ID of which this LDEV is a member. |
|
Virtual Storage Machine1 |
Information about the virtual storage machine.
|
|
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 Blade3 |
Opens the Assign MP Blade window. |
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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. For details, see the Volume Migration User Guide. |
|
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 |
|
|
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:
| |
MP blade 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 |

Normal: Normal status.
Blocked: Host cannot access a blocked volume.
Warning: Problem occurs in the volume.