Managing the holdtrns status – HP XP Racks User Manual

Page 446

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Managing the HOLDTRNS Status

If the pair status changes to HOLDTRNS before execution of the command YKRESYNC DELTAJNL
(delta resync pair synchronization), or if the pair status does not change from HOLDTRNS to HOLD
after execution of the command YKMAKE HOLD (delta resync pair creation), no differential update
has been kept in journal between the local site and the remote site because of an environmental
reason or the effect of the copy pair status of other copy group. In this case, perform the following
procedure to change the copy pair status to HOLD:

1.

Check

Table 108 (page 446)

to see if all conditions are met. If any of the conditions is not met,

perform the action shown in Action Item.

Table 108 Required Conditions for Changing to HOLD Status

Action Item

How to check

Condition

Execute the YKMAKE command or the
YKDELETE

command to make the

Execute the YKQUERY command for
delta resync pairs, Cnt Ac-J Z pairs,
and Cnt Ac-S Z pairs. Make sure

The number of delta resync pairs is
equal to the number of Cnt Ac-J Z
pairs

same number of Cnt Ac-S Z, Cnt Ac-J

that the number of pairs in

Z, and delta resync pairs with the
same status.

non-SIMPLEX status is the same for
each copy type.

Modify the copy direction of all Cnt
Ac-S Z pairs to be the same.

Execute the YKQUERY command for
Cnt Ac-S Z pairs. Make sure that the

All Cnt Ac-S Z pairs have the same
copy direction.

copy direction of all Cnt Ac-S Z
pairs is set from the primary site
toward the local site, or from the
local site toward the primary site.

Case where the conditions described in No. 1 are not satisfied:

Fewer delta resync pairs compared to Cnt Ac-S Z and Cnt Ac-J Z copy pairs

446 Maintenance and troubleshooting operations

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