Volume (Basic Information)

Overview
Display Contents

Overview

This function displays the basic information of volumes.

Note

In this manual, "volumes" include "External Volumes" if differentiation is not specifically required.

Display Contents

In this screen, the basic information of volumes is displayed in a list.

Volume List

Item

Description

No.

The volume number is displayed.

The volume number can be automatically selected or manually specified when creating a volume. When using an automatically selected volume number, the volume number is allocated in ascending order.

Click this item to display the [Volume Detail] Screen ([Basic] Tab).

Name

The volume name is displayed.

Click this item to display the [Volume Detail] Screen ([Basic] Tab).

Status

The volume status is displayed.

When the volume status is normal, "Available" is displayed.

Refer to Volume Status for details.

Type

The volume type is displayed.

Standard

WSV

TPV

FTV

SDV

SDPV

Temporary

Usage

The usage of the volume is displayed.

Refer to Usage of Volumes for details.

Capacity

The volume capacity is displayed.

When the volume type is "SDV", the virtual capacity is displayed.

RAID Group/TPP/FTRP No.

The following number is displayed:

For "WSV" type volumes

The RAID group number to which the representative volume belongs is displayed.
For "TPV" type volumes

The TPP number to which the volume belongs is displayed.
For "FTV" type volumes

The FTRP number to which the volume belongs is displayed.
For "Standard" type volumes whose "Usage" is "Migration"

The External RAID Group number to which the External Volume belongs is displayed.
If the type is not one of the types listed above,

the RAID group number to which the volume belongs is displayed.

RAID Group/TPP/FTRP Name

The following name is displayed:

For "WSV" type volumes

The RAID group name to which the representative volume belongs is displayed.
For "TPV" type volumes

The TPP name to which the volume belongs is displayed.
For "FTV" type volumes

The FTRP name to which the volume belongs is displayed.
For "Standard" type volumes whose "Usage" is "Migration"

The External RAID Group name to which the External Volume belongs is displayed.
If the type is not one of the types listed above,

the RAID group name to which the volume belongs is displayed.

Encryption

The encryption status is displayed.

CM

A volume that is encrypted by CM.
"-" (hyphen)

A volume that is not encrypted (plain text volume).
SED

A volume that is encrypted by SED.

UID

The Universal Identifier (UID) is displayed.

The UID is an identifier (storage system name) to specify a volume from the open system server. The UID status is displayed in the "UID Mode" field.

A "-" (hyphen) is displayed for the Data Container Volume.

32-digit capital letters and numeric characters (hexadecimal)

Note

For External Volumes that inherit the External LU Information, the UID of the External Volumes is displayed. For External Volumes that do not inherit the External LU Information, the UID that is assigned by the storage system (local storage system) is displayed.
If the External LU Information is deleted, the UID that is assigned by the storage system is displayed. Refer to the [Delete External LU Information] function for details.

UID Mode

The UID status is displayed.

A "-" (hyphen) is displayed for the Data Container Volume.

Default

This status is displayed for the following volumes.
- Volumes that are created with the storage system
- Volumes that do not inherit the External LU Information (*1)
Custom

This status is displayed for one of the following volumes.
- Volumes where the UIDs that are changed with the "set volume" CLI command are applied
- Volumes that are used for the Storage Cluster function
External

This status is displayed for volumes that inherit the External LU Information (*1).

This status is displayed for volumes before, during, and after a data migration of the Non-disruptive Storage Migration.

Note

If the External LU Information is deleted, this item is changed from "External" to "Default". Refer to the [Delete External LU Information] function for details.

Process

A process that is being performed for the volume is displayed. If multiple processes are currently being performed, the processes are separated with a ":" (colon) and displayed in the "xx:yy:zz" format. "Encrypting", "Formatting", "Migrating", or "Balancing" is displayed as "xx". "Optimizing Capacity", "Reserved Optimizing Capacity", "Automatic Stop", or "Manual Stop" is displayed as "yy". "Optimizing Capacity" or "Reserved Optimizing Capacity" is displayed as "zz".

Note that "Automatic Stop" and "Manual Stop" are displayed only if the Non-disruptive Storage Migration License has been registered.

If no process is being performed, a "-" (hyphen) is displayed.

Encrypting

Encryption is being performed.
Formatting

Formatting is being performed.
Migrating

RAID migration is being performed.
Balancing

TPV balancing or FTRP balancing is being performed.
Optimizing Capacity

Capacity optimization is being performed in a TPV or an FTV.
Reserved Optimizing Capacity

Capacity optimization is being reserved (*1) for a TPV or an FTV.
Automatic Stop

The data synchronization between the migration source volume and the migration destination volume is automatically stopped.
Manual Stop

The data synchronization between the migration source volume and the migration destination volume is manually stopped.

If "Start Optimizing TPV/FTV Capacity after migration" is enabled for the RAID migration function, the migration source volume is reserved for capacity optimization.

Note

If "Automatic Stop" or "Manual Stop" is selected for "Data Sync after Migration" when starting a data migration for Non-disruptive Storage Migration using the [Start RAID Migration] function, "Migrating : Automatic Stop" or "Migrating : Manual Stop" is displayed for "Process" of the migration source volume.

If "Manual Stop" is selected, "Migrating : Manual Stop" is displayed for "Process" of the migration source volume during a data synchronization between the migration source volume and the migration destination volume even if the migration has been completed.

Forbid Advanced Copy

The protection status of the volume or the volume attribute (such as mirroring reservation) is displayed.

"No" is displayed for Data Container Volumes.

Yes

The volume is protected. The volume cannot be used as a copy destination volume.
No

The volume is not protected. The volume can be used as a copy destination volume.
DLM (Dynamic LUN Mirroring)

An attribute that is to be set to a volume being created as the REC copy destination by the Dynamic LUN Mirroring function regardless of whether the volume is protected. If this attribute is displayed, the volume might be the one that is left in the storage system due to unsuccessful creation.
ODX (Offloaded Data Transfer)

An ODX Buffer volume. The ODX Buffer volume cannot be protected.

Storage Cluster

When the volume is being used by the Storage Cluster function, "Enable" is displayed. When no volumes are used for the Storage Cluster function, "Disable" is displayed.

This item is only displayed when "Enable" is selected for the Storage Cluster function.

Virtual Volume

When the volume is being used by the Virtual Volume function, "Enable" is displayed. When no volumes are used for the Virtual Volume function, "Disable" is displayed. For $VVOL_META, "Disable" is displayed even if the relevant volume is being used for the Virtual Volume function. "$VVOL_META" is a system volume that is used for storing the management information (metadata) of the Virtual Volume function.

This item is only displayed when "Enable" is selected for the Virtual Volume function.

Allocation

The allocation method for the volume is displayed.

A "-" (hyphen) is displayed when the volume type is other than "TPV" or "FTV".

Thin

Physical area is allocated to the target area of the volume when a write I/O is received.
Thick

Physical area is allocated to the whole area of the volume when volumes are created.

Used Capacity

The used capacity (physically allocated capacity) of volume is displayed.

A "-" (hyphen) is displayed in the following conditions:

The volume type is not "TPV" or "FTV"
Deduplication/Compression Volumes (*1)

To check the used capacity of the Deduplication/Compression Volumes, see the used capacity of the Data Container Volume in the TPP to which the Deduplication/Compression Volumes belong. The used capacity of the Data Container Volume is equivalent to the total used capacity of the Deduplication/Compression Volumes in the relevant TPP.

Original Data Size

The pre-compression capacity (logically allocated capacity) of the data written to a volume is displayed.

For volumes other than the Deduplication/Compression Volumes, the same value as "Used Capacity" is displayed.

A "-" (hyphen) is displayed in the following conditions:

The volume type is not "TPV" or "FTV"
The volume type is "TPV" and the usage is "System"
The volume type is "FTV" and the usage is "System"
The pre-compression data capacity cannot be obtained

This item is displayed only when the Deduplication/Compression function is enabled.

Used Rate

The volume utilization (0 to 100 %) is displayed.

For Deduplication/Compression Volumes, the ratio of the pre-compression data capacity to the volume capacity is displayed.

Used Rate = Original Data Size ÷ Capacity
For other volumes, the ratio of the physically allocated capacity to the volume capacity is displayed.

Used Rate = Used Capacity ÷ Capacity

A "-" (hyphen) is displayed when the volume type is other than "TPV" and "FTV".

Threshold

The threshold for monitoring the volume utilization (0 to 100 %) is displayed.

If the "Used Rate" value exceeds the "Threshold", a Host Sense Key Code Qualifier is notified.

A "-" (hyphen) is displayed in the following conditions:

The volume type is not "TPV" or "FTV"
Data Container Volumes

Note

To change the threshold of TPVs and Deduplication/Compression Volumes, use the [Modify Thin Provisioning Volume Threshold] function.
The threshold for TPPs can be checked in the [Threshold] screen. Refer to the [Threshold (Thin Provisioning Pool)] function for details.
The threshold for FTRPs can be checked in the [Flexible Tier Pool] screen. Refer to the [Flexible Tier Pool (Basic Information)] function for details.

Data Reduction Processing CM

For Deduplication/Compression Volumes and Data Container Volumes, a CM that controls data deduplication/compression is displayed.

For the other volumes, a "-" (hyphen) is displayed.

This item is displayed only when the Deduplication/Compression function is enabled.

CE#n CM#n or CM#n

Note

The Data Reduction Processing CM for Deduplication/Compression Volumes can be changed from Web GUI. Refer to the [Change Data Reduction Processing CM] function for details.
The Data Reduction Processing CM for Data Container Volumes cannot be changed from Web GUI. Use CLI to change the setting.

External LU Information

Whether the volume inherits the External LU Information is displayed.

This item displays "Inherited" for External Volumes that inherit the External LU Information while "Usage" is "Migration" (if a data migration has not been performed or if a data migration is being performed).

A "-" (hyphen) is displayed for the following volumes.

Volumes (of which "Usage" is "Block") that have inherited the External LU Information if a data migration has already been performed
External Volumes that do not inherit the External LU Information
Volumes of which the External LU Information is deleted
Volumes (internal volumes)

This item is displayed only if the Non-disruptive Storage Migration License has been registered.

Snapshot Name

For volumes that can be operated from Veeam Backup & Replication (hereinafter referred to as "Veeam B&R"), the following names are displayed.

If the volume is a copy destination of the Veeam session (or if the volume is a Veeam Snapshot Volume), the snapshot name is displayed. This is the name that is displayed on the operation screen of Veeam B&R.
If the volume is a copy destination of the SnapOPC+ session, the volume name is displayed. This is the same as the "Name" that is displayed in the volume list.

For the other volumes, a "-" (hyphen) is displayed.

When the selected volume is a WSV or a volume that is concatenated by the [LUN Concatenation] function, the [Used RAID Group] tab is displayed. For display items, refer to the [Volume Detail] Screen ([Used RAID Group] Tab).

[Volume Detail] Screen ([Basic] Tab)

Volume Information

The volume number, volume name, type, and usage are displayed.

Item

Description

Status

The volume status is displayed.

When the volume status is normal, "Available" is displayed.

Refer to Volume Status for details.

Used Status

The used status of the Data Container Volume is displayed.

Normal

The Data Container Volume usage is less than 80 %.

Or both Deduplication and Compression are disabled.
Attention

The Data Container Volume usage is 80 % or larger, or there is no free space in the Data Container Volume.
Unknown

A status other than the ones listed above

This item is displayed when the volume type is "TPV" or "FTV".

Capacity

The volume capacity is displayed with a unit that is determined according to the actual volume size.

Capacity on RAID Group

The volume capacity is displayed with a unit that is determined according to the volume size secured in the RAID group or External RAID Group.

While the capacity that is specified by the user when creating the volume is displayed in the "Capacity" field described above, the volume capacity that is actually secured in units of the basic volume size in the RAID group is displayed in this field.

This item is displayed when the volume type is "Standard", "WSV", "SDV", "SDPV", or "Temporary".

Used Capacity

The used capacity (physically allocated capacity) of volume is displayed.

A "-" (hyphen) is displayed for the Deduplication/Compression Volume.

This item is displayed when the volume type is "TPV" or "FTV".

Original Data Size

The pre-compression capacity (logically allocated capacity) of the data written to a volume is displayed.

For volumes other than the Deduplication/Compression Volumes, the same value as "Used Capacity" is displayed.

A "-" (hyphen) is displayed in the following conditions:

The volume type is "TPV" and the usage is "System"
The volume type is "FTV" and the usage is "System"
The pre-compression data capacity cannot be obtained

This item is displayed when the Deduplication/Compression function is enabled and the volume type is "TPV" or "FTV".

Used Rate

The volume utilization (0 to 100 %) is displayed.

For Deduplication/Compression Volumes, the ratio of the pre-compression data capacity to the volume capacity is displayed.

Used Rate = Original Data Size ÷ Capacity
For other volumes, the ratio of the physically allocated capacity to the volume capacity is displayed.

Used Rate = Used Capacity ÷ Capacity

This item is displayed when the volume type is "TPV" or "FTV".

Threshold

The threshold for monitoring the volume utilization (0 to 100 %) is displayed.

If the "Used Rate" value exceeds the "Threshold", a Host Sense Key Code Qualifier is notified.

A "-" (hyphen) is displayed for the Data Container Volume.

This item is displayed when the volume type is "TPV" or "FTV".

8 KB

32 KB

256 KB

RAID Group No.

The RAID group number or External RAID Group number to which the volume belongs is displayed.

If the type is "WSV", the RAID group number to which the representative volume belongs is displayed.

This item is not displayed when the volume type is "TPV" or "FTV".

RAID group name

The RAID group name or External RAID Group name to which the volume belongs is displayed.

If the type is "WSV", the RAID group name to which the representative volume belongs is displayed.

This item is not displayed when the volume type is "TPV" or "FTV".

Thin Provisioning Pool No.

The TPP number to which the volume belongs is displayed.

This item is displayed only when the volume type is "TPV".

Thin Provisioning Pool Name

The TPP name to which the volume belongs is displayed.

This item is displayed only when the volume type is "TPV".

FTRP No.

The FTRP number to which the volume belongs is displayed.

This item is displayed only when the volume type is "FTV".

FTRP name

The FTRP name to which the volume belongs is displayed.

This item is displayed only when the volume type is "FTV".

Encryption

The encryption status of the volume is displayed.

"-" (hyphen)

SED

Data Integrity

The volume protection method is displayed.

Default

Data is protected within the storage system.
T10-DIF

Data is protected with a T10-DIF (Data Integrity Field) compatible method in the storage system and the host paths. This method is available only when the host interface is FC.

Wide Stripe Size

The Wide Stripe Size is displayed.

"Wide Stripe Size" is the size of the WSV Unit that is allocated to each RAID group in series. A "-" (hyphen) is displayed when the volume type is other than "WSV".

Normal

An integral multiple of the basic size for each RAID level (*1). The maximum size is 16 MB or smaller.
Small

An integral multiple of the basic size for each RAID level (*1). The maximum size is 2 MB or smaller. Note that when the basic size for a RAID group is larger than 2 MB, the basic size is specified.

The basic size (stripe size) when creating a volume. Refer to "Basic Size for each RAID Level" for details.

Reserved Deletion

The "Reserved Deletion" state of the SDPV is displayed.

If an SDPV is currently being used and the SDPV is deleted by using the [Delete Snap Data Pool Volume] function, the target SDPV status changes to "Reserved Deletion". A "-" (hyphen) is displayed when the volume type is other than "SDPV".

Yes

SDPVs are in the "Reserved Deletion" state.
No

SDPVs are not in the "Reserved Deletion" state.

UID

The UID is displayed.

A "-" (hyphen) is displayed for the Data Container Volume.

32-digit capital letters and numeric characters (hexadecimal)

Note

For External Volumes that inherit the External LU Information, the UID of the External Volumes is displayed. For External Volumes that do not inherit the External LU Information, the UID that is assigned by the storage system (local storage system) is displayed.
If the External LU Information is deleted, the UID that is assigned by the storage system is displayed. Refer to the [Delete External LU Information] function for details.

UID Mode

The UID status is displayed.

A "-" (hyphen) is displayed for the Data Container Volume.

Default

Custom

External

Note

If the External LU Information is deleted, this item is changed from "External" to "Default". Refer to the [Delete External LU Information] function for details.

Storage Cluster

When the volume is being used by the Storage Cluster function, "Enable" is displayed. When no volumes are used for the Storage Cluster function, "Disable" is displayed.

This item is only displayed when "Enable" is selected for the Storage Cluster function.

Virtual Volume

This item is only displayed when "Enable" is selected for the Virtual Volume function.

Allocation

The allocation method for the volume is displayed.

A "-" (hyphen) is displayed when the volume type is other than "TPV" or "FTV".

Thin

Thick

Usage Details

The detailed usage of the volume is displayed.

Usage	Usage Details	Description
Block	Block	The volumes that are used for the SAN.
Block/Dedupe&Comp	Block Deduplication and Compression Enabled	The Deduplication/Compression Volumes. The volumes that have both the Deduplication and Compression functions enabled.
Block/Dedupe	Block Deduplication Enabled	The Deduplication/Compression Volumes. The volumes that have the Deduplication function enabled.
Block/Comp	Block Compression Enabled	The Deduplication/Compression Volumes. The volumes that have the Compression function enabled.
System	VVOL Metadata	The system volumes that are used for storing the management information (metadata) of the Virtual Volume function. This volume is automatically created when the Virtual Volume function is set to "Enable" and when VVOL is created from ETERNUS SF Storage Cruiser for the first time.
System	Data Container (*1)	The Data Container Volumes. The container volumes that are used for the Deduplication/Compression function.
Migration	Migration	An External Volume that is used for data migrations.
Veeam	Veeam	The Veeam Snapshot Volumes that have both the Deduplication and Compression functions disabled.
Dedupe&Comp/Veeam	Dedupe&Comp/Veeam	The Veeam Snapshot Volumes that have both the Deduplication and Compression functions enabled.
Dedupe/Veeam	Dedupe/Veeam	The Veeam Snapshot Volumes that have the Deduplication function enabled.
Comp/Veeam	Comp/Veeam	The Veeam Snapshot Volumes that have the Compression function enabled.

The volume is created automatically when Deduplication/Compression (or the Deduplication/Compression function) for TPP is enabled.

Data Reduction Processing CM

For Deduplication/Compression Volumes and Data Container Volumes, a CM that controls data deduplication/compression is displayed.

For the other volumes, a "-" (hyphen) is displayed.

This item is displayed only when the Deduplication/Compression function is enabled.

CE#n CM#n or CM#n

Process

A process that is being performed for the volume is displayed.

If no process is being performed, a "-" (hyphen) is displayed.

If multiple processes are currently being performed, the processes are separated with a ":" (colon) and displayed in the "xx:yy:zz" format. "Encrypting", "Formatting", "Migrating", or "Balancing" is displayed as "xx". "Optimizing Capacity", "Reserved Optimizing Capacity", "Automatic Stop", or "Manual Stop" is displayed as "yy". "Optimizing Capacity" or "Reserved Optimizing Capacity" is displayed as "zz".

Note that "Automatic Stop" and "Manual Stop" are displayed only if the Non-disruptive Storage Migration License has been registered.

Note

If "Automatic Stop" or "Manual Stop" is selected for "Data Sync after Migration" when starting a data migration for Non-disruptive Storage Migration using the [Start RAID Migration] function, "Migrating : Automatic Stop" or "Migrating : Manual Stop" is displayed for "Process" of the migration source volume.

The following items are displayed if "Manual Stop" is selected and data synchronization is being performed between the migration source volumes and migration destination volumes even if the migration has been completed.

Item	Migration source volume	Migration destination volume
Usage Details	Migration	Block
Process	Migrating: Manual Stop	Migrating
Migration Status	Active	Active
Progress	100 %	100 %

Migration Status

The RAID migration status is displayed.

This item is not displayed when the process is other than "Migrating".

Reserved

The RAID migration is in a reserved state.
Active

The RAID migration is operating normally.
Error

The RAID migration has been suspended due to an error.
"-" (hyphen)

A status other than the ones listed above.

Progress

The progress of a process that is being performed is displayed with a bar and a rate (0 to 100 %). To display the latest progress, refresh the screen. If no process is being performed, or if the migration status is "Reserved", a "-" (hyphen) is displayed.

Estimated Time Left

The estimated remaining time before formatting is complete is displayed. To display the latest estimated remaining time, refresh the screen. This item is not displayed when the process is other than "Formatting".

Calculating

The storage system is calculating the estimated remaining time.
30 days or more

The estimated remaining time is 30 days or more.
x days y h z min.

The estimated remaining time is more than one minute and less than 30 days. When the estimated remaining time is less than one day, the "days" value is omitted. When the estimated remaining time is less than one hour, the "days" and "h" values are omitted.
Less than 1 min.

The estimated remaining time is less than one minute.

Caution

The estimated time that is left may increase or decrease depending on the I/O load when this parameter is used.

Remaining Size

The remaining size of the unformatted volume is displayed. To display the latest size, refresh the screen. This item is not displayed when the process is other than "Formatting".

Optimizing Capacity Progress

The progress of capacity optimization processes that are being performed is displayed with a bar and a rate (0 to 100 %). To display the latest progress for the capacity optimization, refresh the screen. When capacity optimization is not being performed, a "-" (hyphen) is displayed.

When the storage system status is "Not Ready", the field is blank.

External LU Information

Whether the volume inherits the External LU Information is displayed.

A "-" (hyphen) is displayed for the following volumes.

Volumes (of which "Usage" is "Block") that have inherited the External LU Information if a data migration has already been performed
External Volumes that do not inherit the External LU Information
Volumes of which the External LU Information is deleted
Volumes (internal volumes)

This item is displayed only if the Non-disruptive Storage Migration License has been registered.

Snapshot Name

For volumes that can be operated from Veeam B&R, the following names are displayed.

If the volume is a copy destination of the Veeam session (or if the volume is a Veeam Snapshot Volume), the snapshot name is displayed. This is the name that is displayed on the operation screen of Veeam B&R.
If the volume is a copy destination of the SnapOPC+ session, the volume name is displayed. This is the same as the "Name" that is displayed in the volume list.

For the other volumes, a "-" (hyphen) is displayed.

[Volume Detail] Screen ([Used RAID Group] Tab)

The [Used RAID Group] tab is not displayed when the volume type is "TPV" and "FTV".

Used RAID Group Information

The information for a RAID group that is being used is displayed in the following order. Note that sorting of the display contents is not available.

When the volume type is "Standard", volumes are displayed in concatenation order with the LUN Concatenation function
When the volume type is "WSV", volumes are displayed according to the concatenation number of the WSV Unit (the order of allocating the WSV unit to the RAID group)

Item	Description
RAID Group No.	The RAID group number to which the concatenated volume or WSV Unit belongs is displayed.
RAID Group Name	The RAID group name to which the concatenated volume or WSV Unit belongs is displayed.
Capacity	The capacity of the concatenated volume or the WSV Unit is displayed. The capacity is displayed with a unit that is determined according to the actual size.
Capacity on RAID Group	The capacity that is secured in the RAID group by the concatenated volume or the WSV Unit is displayed. The capacity is displayed with a unit that is determined according to the secured size.