ShadowImage for Mainframe operations in a 3DC cascade configuration using delta resync

ShadowImage for Mainframe User Guide for VSP One Block 85

Version
10.5.x
Audience
anonymous
Part Number
MK-26VSP1B035-02
ft:lastEdition
2026-05-04

You can perform ShadowImage for Mainframe operations on Universal Replicator for Mainframe volumes that are used in a 3DC cascade configuration with delta resync.

The following tables specify whether SIz operations can be performed when URz volumes are shared with SIz volumes in a 3DC cascade delta resync configuration.

Table. 3DC cascade delta resync: Sharing a URz P-VOL on the primary system and a URz S-VOL for delta resync with SIz P-VOLs
URz pair status (P-VOL) URz delta resync pair mirror status ShadowImage for Mainframe operation
Create pair Split pair Suspend pair Release pair Resync pair
Normal copy Quick resync Reverse Quick restore
PAIR HOLD/ HLDE YES YES YES YES YES YES NO NO
COPY HOLD/ HLDE YES YES YES YES YES YES NO NO
PSUS/SSUS/PSUE HOLD/ HLDE YES YES YES YES YES YES NO NO
Table. 3DC cascade delta resync: Sharing a URz P-VOL on the primary system and a URz S-VOL for delta resync with SIz S-VOLs
URz pair status (P-VOL) URz delta resync pair mirror status ShadowImage for Mainframe operation
Create pair Split pair Suspend pair Release pair Resync pair
Normal copy Quick resync Reverse Quick restore
PAIR HOLD/ HLDE NO NO NO YES NO NO NO NO
COPY HOLD/ HLDE NO NO NO YES NO NO NO NO
PSUS/SSUS/PSUE HOLD/ HLDE NO NO NO YES NO NO NO NO
Table. 3DC cascade delta resync: Sharing a URz S-VOL on the secondary system and a URz S-VOL for delta resync with SIz P-VOLs
URz pair status (S-VOL) URz delta resync pair mirror status ShadowImage for Mainframe operation
Create pair Split pair Suspend pair Release pair Resync pair
Normal copy Quick resync Reverse Quick restore
PAIR HOLD/ HLDE YES YES YES YES YES YES NO NO
COPY HOLD/ HLDE YES YES YES YES YES YES NO NO
PSUS/SSUS/PSUE HOLD/ HLDE YES YES YES YES YES YES NO NO