HP XP Racks User Manual
Page 453
Using a 2DC configuration with HyperSwap and Continuous Access Journal
Z
The following table describes the maintenance and troubleshooting operations for a 2DC
configuration with HyperSwap and Continuous Access Journal Z.
Table 110 Operation Examples in a 2DC Configuration with HyperSwap and Continuous Access
Journal Z
See
Contents
Target
Maintenance
or Failure
“Performing primary storage
system maintenance” (page 455)
An operation example for performing a
planned outage for primary storage
Primary storage system
maintenance
Maintenance
system maintenance. This procedure
executes HyperSwap, and then performs
a delta resync.
“Performing local storage system
maintenance” (page 464)
An operation example for performing a
planned outage for local storage system
Local storage system
maintenance
maintenance. This procedure suspends
Cnt Ac-S Z copy pairs with the
HyperSwap attribute.
“Performing remote storage
system maintenance” (page 465)
An operation example for performing a
planned outage for remote storage
Remote storage system
maintenance
system maintenance. This procedure
suspends copy pairs between the
primary storage system and the remote
storage system.
“Performing primary host
maintenance” (page 460)
An operation example for performing a
planned outage of the primary site for
Primary host maintenance
primary host maintenance. This
procedure reverses the copy direction of
copy pairs between the primary storage
system and the remote storage system,
in order to continue operations only at
the secondary site.
“Operating procedure during a
primary storage system failure
An operation example when the primary
storage system stops due to a failure,
During a primary storage
system failure (with
Failure
(with information lost from
memory)” (page 466)
with information lost from memory. After
a HyperSwap is executed, a delta resync
is performed.
information lost from
memory)
“Operating procedure during a
primary storage system failure
An operation example when the primary
storage system stops due to a failure,
During a primary storage
system failure (with no
(with no information lost from
memory)” (page 472)
with no information lost from memory.
After a HyperSwap is executed, a delta
resync is performed.
information lost from
memory)
“Operating procedure during a
local storage system failure (with
An operation example when the local
storage system stops due to a failure,
During a local storage
system failure (with
information lost from memory)”
(page 481)
with information lost from memory. This
procedure uses TPC-R to stop Cnt Ac-S
information lost from
memory)
Z copy pairs with the HyperSwap
attribute, and then recovers the failure.
“Operating procedure during a
local storage system failure (with
An operation example when the local
storage system stops due to a failure,
During a local storage
system failure (with no
no information lost from
memory)” (page 483)
with no information lost from memory.
This procedure uses TPC-R to stop Cnt
information lost from
memory)
Ac-S Z copy pairs with the HyperSwap
attribute, and then recovers the failure.
“Operating procedure during
remote storage system failure
An operation example when the remote
storage system stops due to a failure,
During a remote storage
system failure (with
Using a 2DC configuration with HyperSwap and Continuous Access Journal Z 453