Pools: Volume tabs

Summary

Item

Description

Status

Displays information about the pool status.

Normal: Pool is in a normal status.

Warning: Pool-VOL in the pool is blocked, or the pool is being shrunk.

Exceeded Threshold: Percentages of the sum of the mapped capacity of the pool and the reserved capacity of the pool exceed the pool threshold.

Shrinking: Pool-VOL is being reduced.

Blocked: The pool is full, or an error occurred in the pool, indicating that the pool is blocked. If the pool is in both Warning and Blocked status, only Blocked is displayed.

Pool Name (ID)

Displays the pool name and pool ID.

Pool VOL with System Area (Name)

Displays the LDEV ID and LDEV name of the pool-VOL which includes the pool management area.

Pool Type

Displays the pool type.

For a Dynamic Provisioning pool, DP is displayed.

For a Dynamic Tiering pool, DT is displayed.

For an active flash pool, DT(Active Flash) is displayed.

For a pool of the data direct mapping attribute, DP(data direct mapping) is displayed.

For a Thin Image pool, TI is displayed.

RAID Level

Displays RAID level. If multiple RAID levels exist in a pool, this field indicates that RAID levels are mixed. If all pool-VOLs are external volumes, a hyphen (-) is displayed.

Drive Type/RPM

Displays the data drive type and RPM of the pool. When the volume is the external volume, Drive Type displays External Storage and the value of the external LDEV tier rank. If various types (such as drive types, RPMs, external LDEV tier ranks) of drives exist in a pool, Mixed is displayed.

Encryption

Displays the encryption information about the pool.

  • Enabled: Encryption setting of a pool-VOL containing LDEV is enabled.

  • Disable: Encryption setting of a pool-VOL containing LDEV is disabled.

  • Mixed: In the pool, pool-VOLs whose encryption settings are enabled or disabled are intermixed.

This status appears 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.

Cache Mode

For a configuration of external volumes, displays whether the cache mode is enabled or disabled. For a configuration other than external volume configuration, a hyphen (-) is displayed.

Protect V-VOLs when I/O fails to Blocked Pool VOL

Displays whether the protect function for DP-VOL is being enabled or disabled. If the setting is enabled, when the pool-VOL is blocked, DP-VOL is protected from reading and writing requests. And at the same instant, the access attribute of the DP-VOL is changed to the Protect attribute.

A hyphen appears if the pool corresponds with one of following:

  • Data Retention Utility is not installed.

  • Pool type is other than DP or DT.

Protect V-VOLs when I/O fails to Full Pool

Displays whether the protect function for DP-VOL is being enabled or disabled. If the setting is enabled, when the pool usage reaches the full size, DP-VOL is protected from reading and writing requests. And at the same instant, the access attribute of the DP-VOL is changed to the Protect attribute.

A hyphen appears if the pool corresponds with one of following:

  • Data Retention Utility is not installed.

  • Pool type is other than DP or DT.

Number of Pool VOLs

Displays the number of pool-VOLs set for the pool, and the maximum number of pool-VOLs that can be set for the pool.

Number of V-VOLs

Displays the number of V-VOLs associated with the pool, and the maximum number of V-VOLs that can be associated with the pool.

For the pool of a data direct mapping attribute, a hyphen (-) appears for the maximum number of V-VOLs which can associate with the pool.

For a Thin Image, a hyphen (-) is displayed.

Number of Primary VOLs

Displays the number of primary volumes of the Thin Image pairs. When the applicable volume does not exist, a hyphen (-) is displayed.

Pool Capacity (Used/Total)

Displays the sum of the mapped capacity and reserved capacity for the pool, and the total capacity of the pool. If the pool consists of multiple pool-VOLs, the sum of its capacities is displayed in the Total field.

Physical Pool Capacity (Used/Total)

Displays the percentage of the total pool capacity with respect to the capacity reserved for writing. If accelerated compression is not supported, a hyphen (-) is displayed.

As for the pool using pool-VOLs assigned from the accelerated compression-enabled parity groups, the writable capacity may be smaller than the capacity which is displayed.

V-VOL Capacity (Used/Total)

Displays the sum of the mapped capacity and the reserved capacity for virtual volumes, and the total capacity of virtual volumes. For a Thin Image pool, a hyphen (-) is displayed along with the used and total V-VOL capacity.

Subscription (Current/Limit)

Displays the subscription (Rate of total V-VOL capacity associated with a pool to the pool capacity/Subscription that is set).

For a Thin Image, a hyphen (-) is displayed for Current or Limit.

User-Defined Threshold (Warning/Depletion)

Displays the user-defined threshold (Warning/Depletion).

For a Thin Image, a hyphen (-) is displayed for Depletion.

Tier Management

If Dynamic Tiering is enabled, Auto or Manual is displayed. If Dynamic Tiering is disabled, a hyphen (-) is displayed.

For a Thin Image, a hyphen (-) is displayed.

Cycle Time

Displays the cycle of performance monitoring and tier relocation. If Dynamic Tiering is disabled, a hyphen (-) is displayed.

Monitoring Period

Displays the time of starting and ending of performance monitoring. If Dynamic Tiering is disabled, a hyphen (-) is displayed.

Monitoring Mode

Displays the monitoring mode that is set for the pool. If the continuous mode is enabled, Continuous Mode is displayed. If the period mode is enabled, Period Mode is displayed. If Dynamic Tiering is disabled, a hyphen (-) is displayed.

Monitoring Status

Displays the status of pool monitoring.

If the monitoring is being performed, In Progress is displayed. A hyphen (-) is displayed other than this case.

Recent Monitor Data

Displays the latest monitoring data.

  • If the monitoring data exists, the monitoring period of time is displayed.

Example: 2010/11/15 00:00 - 2010/11/15 23:59

  • If the monitoring data is being obtained, only the starting time is displayed.

Example: 2010/11/15 00:00 -

  • If the latest monitoring data does not exist, a hyphen (-) is displayed.

Pool Management Task

Displays the pool management task being performed to the pool.

  • Waiting for Rebalance: The rebalance process is waiting.

  • Rebalancing: The rebalance process is being performed.

  • Waiting for Relocation: The tier relocation process is waiting.

  • Relocating: The tier relocation process is being performed.

  • Waiting for Shrink: The pool shrinking process is waiting.

  • Shrinking: The pool shrinking process is being performed.

  • Blank:The pool management task is not being performed to the pool.

For details about the tier relocation, see the tier relocation log file.

Relocation Result

Displays the status of the tier relocation processing.

In Progress: The status of Pool Management Task is Waiting for Relocation or Relocating.

Completed: The tier relocation operation is not in progress, or the tier relocation is complete.

Uncompleted (n% relocated): The tier relocation is suspended at the indicated percentage progression.

Hyphen (-): The pool is not a Dynamic Tiering or active flash pool.

Relocation Speed

Displays the tier relocation speed: 1(Slowest), 2(Slower), 3(Standard), 4(Faster), or 5(Fastest).

Pool Volumes tab

Only the LDEVs assigned to the logged-on user are available.

Item

Description

LDEV ID

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

LDEV Name

Displays the LDEV name.

Status

Displays the following information about the pool-VOL status.

Normal: Pool-VOL is in the normal status.

Shrinking: Pool-VOL is being reduced.

Blocked: Pool-VOL is blocked.

Parity Group ID

Displays the parity group ID.

Capacity

Displays the pool capacity.

  • Usable: The usable capacity in the pool-VOL that is offset on the basis of the page appears. For the pool-VOL with system area, the displayed capacity does not include the capacity of the management area.

  • Mapped: The mapped capacity in the pool-VOL that is offset on the basis of the page appears. For the pool of Dynamic Provisioning, Dynamic Tiering, active flash, and Thin Image, a hyphen (-) is displayed if the unit of capacity is changed to Cylinder.

For the pool of Dynamic Provisioning, Dynamic Tiering, and Thin Image, a hyphen (-) is displayed if the unit of capacity is changed to Cylinder.

RAID Level

Displays the RAID level.

Drive Type/RPM

Displays the data drive type and RPM. When the volume is the external volume, Drive Type displays External Storage and the value of the external LDEV tier rank.

Tier ID

Displays the tier identifier. For a Dynamic Provisioning, or a Thin Image pool, a hyphen (-) is displayed.

Provisioning Type

Displays the type of the LDEV.

Basic: Internal volume.

External: External volume.

Attribute

Description: Attribute of the volume, indicating how the LDEV is being used.

Data Direct Mapping: LDEV of the data direct mapping attribute.

Hyphen (-): Volume in which the attribute is not defined.

Cache Mode

For the external volume, this item displays whether the cache mode is enabled. If the LDEV is not an external volume, a hyphen (-) is displayed.

Shrinkable

Displays whether the pool-VOL can be removed while the pool is being shrunk, a hyphen (-) is displayed.

Encryption1

Displays the information about parity group encryption.

  • Enabled: Encryption setting of a parity group or pool-VOL containing LDEV is enabled.

  • Disable: Encryption setting of a parity group or pool-VOL containing LDEV is disabled.

  • Mixed: Pool-VOLs whose encryption settings are enabled and pool-VOLs whose encryption settings are disabled are intermixed in the pool in which the LDEV is placed.

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.

Accelerated Compression1

Displays information about the accelerated compression of the parity group that is created of LDEVs.

Enabled: The accelerated compression of the parity group is enabled.

Disabled: The accelerated compression of the parity group is disabled.

Hyphen (-): accelerated compression is not supported on the parity group.

Expanded Space Used1

Displays the allocation of the LDEV in the expanded area or the physical area. If accelerated compression is enabled, LDEVs are initially allocated in the physical area. Otherwise, LDEVs are allocated in the expanded area.

Yes: The LDEV is allocated in the expanded area.

No: The LDEV is allocated in the physical area.

Data Direct Mapped LDEV

Displays the LDEV ID of the pool-VOL in the pool of the data direct mapping attribute. If the link of the LDEV ID is clicked, the LDEV Properties window appears.

A hyphen (-) appears if the data direct mapping attribute is disabled. If DP-VOL with a data direct mapping attribute is not created in the pool of the data direct mapping attribute, this item is blank.

Resource Group Name (ID)

Displays the resource group names and IDs of the LDEV. The identifier is provided in parentheses.

Expand Pool

Displays the Expand Pool window.

Shrink Pool

Displays the Shrink Pool window.

Stop Shrinking Pools

Displays the Stop Shrinking Pools window.

Edit External LDEV Tier Rank2

Displays the Edit External LDEV Tier Rank window. You cannot operate the pool other than the pool of Dynamic Provisioning, Dynamic Tiering, or active flash.

Edit External Volumes2

Displays the Edit External Volumes window. If the volume type of the specified pool-VOL is other than the external volume, you cannot operate this button. For details, see the Universal Volume Manager User Guide

Export2

Displays the window for outputting table information.

1 This item does not appear in the window by default. To display this item, change the Column Settings window.

2Appears when you click More Actions.

Virtual Volumes tab

This tab is displayed unless you select a Thin Image pool.

Item

Description

LDEV ID

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

LDEV Name

Displays the LDEV name.

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 to a read-only volume.

Shredding: Volume is being shredded.

Hyphen (-): Any status other than the above.

Capacity

Displays information about the V-VOL capacity.

  • Total: Displays the V-VOL capacity.

  • Reserved: Displays the reserved capacity of the V-VOL.

The displayed value of Reserved might be larger than the displayed value of Total due to following reasons:

  • Reserved displays the reserved capacity that is rounded up on each page.

  • The mapped capacity of V-VOL for Dynamic Provisioning includes the capacity of control information (168 MB is required per 3,145,548 MB).

  • Used: Displays the sum of the mapped capacity and the reserved capacity.

The displayed value of Used might be larger than the displayed value of Total due to following reasons:

  • Used displays the sum of the mapped capacity and the reserved capacity that is rounded up on each page.

  • The mapped capacity of DP-VOL includes the capacity of the control information (Uses a maximum of 168 MB per 3,145,548 MB).

  • DP-VOL of the data direct mapping attribute includes the control information (168 MB is used per 3,145,548 MB) and the capacity for one page.

If used capacity is referenced during I/O or copy processing by software such as ShadowImage or Universal Replicator, the used capacity displayed might be different from the actual capacity even if the full allocation is enabled on the V-VOL. This is caused by a gap between the times that information is gathered about the mapped capacity and the reserved capacity.

  • Used(%): For the entire capacity of V-VOL, this item displays percentages of the sum of the mapped capacity and the reserved capacity.

Used Capacity

Displays information about the mapped capacity of V-VOL

  • Tier1: Displays the used capacity of tier 1.

A hyphen (-) is displayed if the logical volume is a not a V-VOL of Dynamic Tiering or active flash.

  • Tier2: Displays the used capacity of tier 2.

A hyphen (-) is displayed if tier 2 does not exist or if the logical volume is a not a V-VOL of Dynamic Tiering or active flash.

  • Tier3: Displays the used capacity of tier 3.

A hyphen (-) is displayed if tier 3 does not exist or if the logical volume is not a V-VOL of Dynamic Tiering or active flash.

The reserved capacity is not included in the used capacity for each tier of the V-VOL. Therefore, the Used value in the Capacity column might not correspond with the Used Capacity value.

Number of Paths

Displays the number of alternate paths.

CLPR

Displays the CLPR ID.

Full Allocation

Displays the status of the setting for the full allocation in a pool associated with the V-VOL.

  • Enable: Pages are reserved.

  • Disable: Pages are not reserved.

Tiering Policy

Displays the tiering policy name and identifier.

All(0): The policy of which all tiers in the pool are used.

Level1(1) - Level5(5): One of the policy from Level1 to Level5 is set to V-VOL.

Level6(6) - Level31(31): The tiering policy of the user definition is set to V-VOL

Hyphen (-): V-VOL is not the Dynamic Tiering or active flash V-VOL.

New Page Assignment Tier

Displays the new page assignment tier.

High: High is set to V-VOL.

Middle: Middle is set to V-VOL.

Low: Low is set to V-VOL.

Hyphen (-): V-VOL is not the Dynamic Tiering or active flash V-VOL.

Tier Relocation

Displays whether tier relocation is set to enabled or disabled. If the Dynamic Tiering or active flash V-VOL is not used, a hyphen (-) is displayed.

Relocation Priority

Displays the relocation priority.

Prioritized: The priority is set to V-VOL.

Blank: The priority is not set to V-VOL.

Hyphen (-): V-VOL is not the Dynamic Tiering or active flash V-VOL or the tier relocation function is disabled.

Pool Management Task

Displays the pool management task being performed to the pool.

Waiting for Rebalance: The rebalance process is waiting.

Rebalancing: The rebalance process is being performed.

Waiting for Relocation: The tier relocation process is waiting.

Relocating: The tier relocation process is being performed.

Waiting for Shrink: The pool shrinking process is waiting.

Shrinking: The pool shrinking process is being performed.

Blank:The pool management task is not being performed to the pool.

V-VOL Management Task

Displays the V-VOL management task being performed to V-VOL.

Reclaiming Zero Pages: The zero page reclaiming processing is being performed.

Waiting for Zero Page Reclaiming: The zero page reclaiming processing is waiting.

Blank:The V-VOL management task is not being performed to V-VOL.

Attribute

Displays the attribute of the LDEV.

Data Direct Mapping: LDEV of the data direct mapping attribute.

Hyphen (-): Volume in which the attribute is not defined.

T10 PI1

T10 PI attribute setting (Enabled or Disabled) on LDEV.

Access Attribute1

Displays the access attribute of the LDEV.

Data Direct Mapped LDEV 1

Displays the LDEV ID of the pool-VOL in the pool of the data direct mapping attribute. If the link of the LDEV ID is clucked, the LDEV Properties window appears. A hyphen (-) appears if the data direct mapping attribute is disabled.

Resource Group Name (ID)

Displays the resource group names and identifiers of the LDEV. The identifier is provided in parentheses.

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.

  • Attribute1: Virtual LDEV attribute. If the attribute is not set for LDEV, this column is blank.

Create LDEVs

Displays the Create LDEV window.

Add LUN Paths

Displays the Add LUN Paths window.

Expand V-VOLs

Displays the Expand V-VOLs window.

Format LDEVs2

Displays the Format LDEVs window.

Delete LDEVs2

Displays the Delete LDEVs window.

Shred LDEVs2

Displays the Shred LDEVs window.

Delete LUN Paths2

Displays the Delete LUN Paths window.

Block LDEVs2

Displays the Block LDEVs window.

Restore LDEVs2

Displays the Restore LDEVs window.

Edit LDEVs2

Displays the Edit LDEVs window.

Reclaim Zero Pages2

Displays the Reclaim Zero Pages window.

Stop Reclaiming Zero Pages2

Displays the Stop Reclaiming Zero Pages window.

View Tier Properties2

Displays the View Tier Properties window. This window can open only for a pool for which Dynamic Tiering is enabled.

Edit Command Devices2

Opens the Edit Command Devices window.

Assign MP Unit2

Opens the Assign MP Unit window.

Delete UUIDs2

Opens the Delete UUIDs window.

Interrupt LDEV Task2

Select Shred to display the Interrupt Shredding Task window.

Force Delete Pairs2

  • 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.

View ALUs / SLUs3

Displays the ALUs / SLUs window.

Export3

Displays the window for outputting table information.

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

2Appears when you click More Actions.

3Appears when you click More Actions - more.

Primary Volumes tab

If you select a Thin Image pool, this tab is displayed.

Item

Description

LDEV ID

Displays the combination of the LDKC, CU, and LDEV.

Clicking LDEV ID opens the LDEV Properties window.

LDEV Name

Displays the LDEV name.

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 to a read-only volume.

Shredding: Volume is being shredded.

Hyphen (-): Any status other than the above.

Used Pool Capacity

Displays the used pool capacity.

Pool Usage(%)

Displays the pool usage level.

Number of Paths

Displays the number of alternate paths.

CLPR

Displays the CLPR. Displays in ID:CLPR form.

Pool Management Task

Displays the pool management task being performed to the pool.

Waiting for Rebalance: The rebalance process is waiting.

Rebalancing: The rebalance process is being performed.

Waiting for Relocation: The tier relocation process is waiting.

Relocating: The tier relocation process is being performed.

Waiting for Shrink: The pool shrinking process is waiting.

Shrinking: The pool shrinking process is being performed.

Blank:The pool management task is not being performed to the pool.

Encryption1

Displays the information about parity group encryption.

  • Enable: Encryption setting of a parity group or pool-VOL containing LDEV is enabled.

  • Disable: Encryption setting of a parity group or pool-VOL containing LDEV is disabled.

  • Mixed: Pool-VOLs whose encryption settings are enabled and pool-VOLs whose encryption settings are disabled are intermixed in the pool in which the LDEV is placed.

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.

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.

Export

Displays the window for outputting table information.

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