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366 IBM System Storage DS6000 Series: Copy Services with IBM System z
Example 26-35 Remove the paths
//* ------------------ TSO ----------------- CLEANUP (6) --------- ***
//* Delete path(s) this completes the GM cleanup ***
//* -------------------------------------------------------------- ***
//DPATH EXEC PGM=IKJEFT01
//SYSPRINT DD SYSOUT=*
//SYSTSPRT DD SYSOUT=*
//SYSTSIN DD DDNAME=SYSIN
CQUERY DEVN(X'2C00') PATHS
CDELPATH DEVN(X'2C00') +
PRIM(X'2C00' 5005076303FFC228 X'0C') +
SEC (X'3C00' 5005076303FFC422 X'0C')
CQUERY DEVN(X'2C00') PATHS
CQUERY DEVN(X'2D00') PATHS
CDELPATH DEVN(X'2D00') +
PRIM(X'2D00' 5005076303FFC228 X'0D') +
SEC (X'3D00' 5005076303FFC422 X'0D')
CQUERY DEVN(X'2D00') PATHS
This concludes the example of how to remove the Global Mirror environment that was set up
in 26.3, “Set up the Global Mirror environment using TSO” on page 345.
26.6 Planned outage management using ICKDSF
This section briefly presents an example of a Global Mirror planned outage that is managed
using ICKDSF. The procedure presented here can be used to control a planned Global Mirror
outage that is done to create a data consistent set of D volumes at the remote site.
Figure 26-6 Global Mirror planned outage scenario
Remote site
Host
Local site
Secondary Volumes
Primary Volumes
Global Copy
(2) Suspend all GC pairs
(4) Failover B->A
A volumes
B volumes
D volumes
(10) Resume session
(6) FlashCopy B->C
Start Change Recording
Host
(7) Flashcopy B -> D
(9) Failback (A=Primary, B=Secondary)
(1) Pause session
(5) Fast Reverse restore, FRR
(3) Application I/O still
going on to A volumes
C volumes
(8) Perform testing