View Pair Properties window

Use this window to monitor pair properties and to confirm the status of a volume.

Pair Properties table

The following table lists the items in this table.

Item

Description

Copy Type

The volume’s copy type.

Values:

  • ShadowImageSI pair
  • Thin ImageHTI pair
  • ShadowImage for MainframeSIz pair.

Pool Name (ID)

The pool name and identification number.

For non-HTI pairs, a hyphen (-) is displayed.

Pool Encryption

The pool's encryption information.

  • EnabledA pool was created by the pool volume for which encryption is enabled.
  • DisabledA pool was created by the pool volume for which encryption is disabled.
  • MixedA pool contains two or more of the following:
    • Volume for which encryption is enabled
    • Volume for which encryption is disabled
    • External volume

Note: Data encryption is not ensured in an LDEV with Mixed encryption status.

For pools created in external volumes, blocked pools, and non-HTI pairs, a hyphen (-) is displayed.

For DP-VOLs, the pool to which an LDEV belongs is an external volume or blocked.

Most Recent Snapshot Date

The most recent date and time you created the pair to store snapshot data.

For non-HTI pairs, a hyphen (-) is displayed.

LDEV ID

The identification number of the LDEV for the P-VOL and S-VOLs.

LDEV Name

The name of the LDEV for the P-VOL and S-VOLs.

Mirror Unit

The mirror unit number.

Virtual Storage Machine

The model type and serial number of the virtual storage machine to which the P-VOL and S-VOL belong.

Virtual LDEV ID

The identification number of the virtual LDEV for the P-VOL and S-VOLs.

If no virtual LDEV ID is assigned, a blank is displayed.

Pairs table

This table shows a list of all pairs related to a pair shown in the Pair Properties table.

The following table lists the items in this table.

Item

Description

Primary Volume

The P-VOL information.

Values:

  • LDEV IDThe P-VOL's LDEV identification number.
  • LDEV NameThe P-VOL's LDEV name.
  • Provisioning TypeThe P-VOL’s provisioning type.
    • BasicInternal volume
    • DPDP-VOL
    • ExternalExternal volume
  • Attribute(VSP Gx00 models and VSP Fx00 models only) The P-VOL's attribute.
  • Emulation Type The P-VOL’s emulation type.
  • CapacityThe P-VOL's capacity.
  • CLPRThe P-VOL's CLPR ID.
  • EncryptionThe P-VOL's encryption information.
    • EnabledEncryption is enabled for the parity group to which the P-VOL's LDEV belongs, or a V-VOL is associated with a pool in which a pool volume has encryption enabled.
    • DisabledEncryption is disabled for the parity group to which the P-VOL's LDEV belongs, or a V-VOL is associated with a pool in which a pool volume has encryption disabled.
    • MixedThe pool to which the P-VOL's LDEV belongs contains two or more of the following:
      • Volume for which encryption is enabled
      • Volume for which encryption is disabled
      • External volume
    Note: Data encryption is not ensured in an LDEV with Mixed encryption status.

    If the LDEV is an external volume or migration volume, a hyphen (-) is displayed.

    For DP-VOLs, the pool to which an LDEV belongs is an external volume or blocked.

  • T10 PIThe P-VOL's T10 PI attribute information.
    • EnabledThe P-VOL's T10 PI attribute is enabled.
    • DisabledThe P-VOL's T10 PI attribute is disabled.
  • Virtual Storage MachineThe model type and serial number of the virtual storage machine to which the P-VOL belongs.
  • Virtual LDEV IDThe identification number of the P-VOL’s virtual LDEV. If no virtual LDEV ID is assigned, a blank is displayed.
  • Virtual Device NameThe name of the P-VOL’s virtual device, in a combined format of "virtual emulation type", "number of virtual LUSE volumes", and "virtual CVS attribute". Each of these three items is displayed only if it is specified. If none of them are specified, a blank is displayed.
  • Virtual SSIDThe virtual SSID of the P-VOL. If no virtual SSID is specified, a blank is displayed.

Snapshot Group

The snapshot group name.

Information is displayed for this item only if you have configured a snapshot group for the HTI pair.

Status

The pair status.

Snapshot Date

The date and time you created the pair to store snapshot data.

Secondary Volume

The S-VOL information.

Values:

  • LDEV IDThe S-VOL's LDEV identification number. Click to open the LDEV Properties window.
  • LDEV NameThe S-VOL's LDEV name.
  • Provisioning TypeThe S-VOL’s provisioning type.
    • BasicInternal volume
    • DPDP-VOL
    • ExternalExternal volume
    • SnapshotHTI volume
  • Emulation Type The S-VOL’s emulation type.
  • Attribute(VSP Gx00 models and VSP Fx00 models only) The S-VOL's attribute.
  • CapacityThe S-VOL's capacity.
  • CLPRThe S-VOL's CLPR ID.
  • EncryptionThe S-VOL's encryption information.
    • EnabledEncryption is enabled for the parity group to which the S-VOL's LDEV belongs, or a V-VOL is associated with a pool in which a pool volume has encryption enabled.
    • DisabledEncryption is disabled for the parity group to which the S-VOL's LDEV belongs, or a V-VOL is associated with a pool in which a pool volume has encryption disabled.
    • MixedThe pool to which the S-VOL's LDEV belongs contains two or more of the following:
      • Volume for which encryption is enabled
      • Volume for which encryption is disabled
      • External volume

    Note: Data encryption is not ensured in an LDEV with Mixed encryption status.

    If the LDEV is an external volume or migration volume, a hyphen (-) is displayed.

    For DP-VOLs, the pool to which an LDEV belongs is an external volume or blocked.

  • ModeIndicates whether the S-VOL has been written to.
    • For SI W is displayed if the S-VOL has been written to, but it cannot be read when its pair status is PSUS(SP)/PSUS or PSUS.
    • N is displayed when the S-VOL cannot be read because "-m noread" is specified using CCI.
    • A hyphen (-) is displayed if the S-VOL has not been written to, and it can be read.
    • For HTI W is displayed if the S-VOL has been written to when its pair status is PSUS.
    • A hyphen (-) is displayed if the S-VOL has not been written to.
    • For SIz W is displayed if the S-VOL has been written to when its pair status is V-Split/SUSPVS or Split/SUSPOP.
    • Protect is displayed if Protect is set from Business Continuity Manager when S-VOL's pair status is Split/SUSPOP, SP-Pend/TRANS, or V-Split/SUSPVS.
    • A hyphen (-) is displayed when the S-VOL has not been written to, and Protect is not set.
  • T10 PIThe S-VOL's T10 PI attribute information.
    • EnabledThe S-VOL's T10 PI attribute is enabled.
    • DisabledThe S-VOL's T10 PI attribute is disabled.
  • Virtual Storage MachineThe model type and serial number of the virtual storage machine to which the S-VOL belongs.
  • Virtual LDEV IDThe identification number of the S-VOL’s virtual LDEV. If no virtual LDEV ID is assigned, a blank is displayed.
  • Virtual Device NameThe name of the S-VOL’s virtual device, in a combined format of "virtual emulation type", "number of virtual LUSE volumes", and "virtual CVS attribute". Each of these three items is displayed only if it is specified. If none of them are specified, a blank is displayed.
  • Virtual SSIDThe virtual SSID of the S-VOL. If no virtual SSID is specified, a blank is displayed.

CTG ID

The consistency group identification number.

Copy Pace

The speed at which the S-VOL is copied.

A hyphen (-) is displayed.

Mirror Unit

The mirror unit number.

Cascade

Indicates whether a cascaded pair can be created.

  • Enabled Cascaded pairs can be created.
  • Disabled Cascaded pairs cannot be created.

A hyphen (-) is displayed for non-HTI pairs.

Type

The pair type.

  • Snapshot A pair with the snapshot attribute.
  • Clone A pair with the clone attribute.

A hyphen (-) is displayed for non-HTI pairs.

Topology ID

The topology ID, which indicates the layer of the pair based on the mirror unit. The topology ID consists of the LDEV ID of the volume (root volume for Thin Image pairs) and the mirror unit number.

Parent Topic