Split Mirrors window

Use this window to split pairs.

For instructions, in the Help Contents tab, click: UR pair operations > Splitting mirrors

Selected Mirrors table


Item	Description
Journal ID	Journal identifier.
Mirror ID	Mirror’s identifier
Journal Type (VSP G1000, G1500, and VSP F1500)	Journal copy type, UR or URMF, plus the following journal type option: Standard, a normal pair If Standard is the journal type option, then only the copy type is displayed. Journal type options are defined in the Create Journals window.
Attribute	Mirror’s attribute: Master, Restore, or Initial. Master is displayed when the P-VOL is paired (initial copy performed). Restore is displayed when the S-VOL is paired (initial copy performed). Initial is displayed when neither data volume is paired yet (initial copy not performed).
Status	Mirror’s status.
Remote Storage System	Displays the following information about pair volumes in the Remote Storage System. Model/Serial Number: Storage system model name and serial number. Journal ID: Journal identifier.
Path Group ID	Path group identifier.
Number of Data VOLs	Number of volumes associated with the journal. (VSP Gx00 models and VSP Fx00 models) With the delta resync configuration, the number of data volumes registered to the journal of the mirrors not for delta resync is displayed. The number of volumes registered to the journal of the delta resync mirrors (whose status is Hold, Holding, or Hold(Failure)) is not displayed.
Data Capacity	Total capacity of all the data volumes. (VSP G1000, G1500, and VSP F1500) If the journal uses multiple mirror IDs, the capacity of volumes in mirrors with Hold, Holding, or Hold(Failure) status is not included. (VSP Gx00 models and VSP Fx00 models) With the delta resync configuration, the total capacity of the data volumes registered to the journal of the mirrors not for delta resync is displayed. The total capacity of the data volumes registered to the journal of the delta resync mirrors (whose status is Hold, Holding, or Hold(Failure)) is not displayed.
Remote Command Device	LDEV number of the remote command device if it is assigned to the mirror. The column is blank if the remote command device is not assigned to the mirror. A hyphen (-) indicates the remote command device cannot be assigned to the mirror.
CTG ID	Consistency group identifier.
CTG Utilization	Whether the consistency group is shared by multiple storage systems. Single: The consistency group consists of a single pair of primary and secondary storage systems. Multi: The consistency group consists of multiple storage systems.

Settings


Secondary Volume Write	Whether data can be written to the S-VOL while the pair is split. Enable: Data can be written to the S-VOL. Available only when the selected mirror’s Attribute is Master. If Restore, Disable is used automatically. Disable: Data cannot be written to the S-VOL (default).
Split Mode	Whether update data is written to S-VOLs in the mirror before the split operation. Flush: Data is copied to S-VOLs. Purge: Data is not copied to S-VOLs until resynchronization.

Item

Description

Secondary Volume Write

Whether data can be written to the S-VOL while the pair is split.

Enable: Data can be written to the S-VOL. Available only when the selected mirror’s Attribute is Master. If Restore, Disable is used automatically.

Disable: Data cannot be written to the S-VOL (default).

Split Mode

Whether update data is written to S-VOLs in the mirror before the split operation.

Flush: Data is copied to S-VOLs.

Purge: Data is not copied to S-VOLs until resynchronization.