HP XP7 Business Continuity Manager User Guide (TK954-96005)

Table 113 Using a 4x4x4 Delta Resync configuration
See:DescriptionTargetMaintenance
or failure
Page 534Execute Delta Resync, and then change the configuration
to a 4x4 configuration that originates from the local site
(Local -> Remote).
Primary site
storage system
maintenance
Maintenance
Page 540Suspend Cnt Ac-S Z copy pairs by using the Cnt Ac-S Z
Consistency Preservation Function, and then change the
Local site storage
system
maintenance configuration to a 4x4 configuration that originates from
the primary site (Primary -> Remote).
Page 543Suspend Cnt AC-J Z copy pairs (Primary -> Remote), and
then change the configuration to a 4x4 configuration that
originates from the primary site (Primary -> Local).
Remote site storage
system
maintenance
Page 545Execute Delta Resync, and then change the configuration
to a 4x4x4 Delta Resync configuration that originates from
the local site (Local -> Primary and Local -> Remote).
Primary site host
maintenance
--Operation in a 4x4x4 Delta Resync configuration is not
affected.
Local site host
maintenance
--Operation in a 4x4x4 Delta Resync configuration is not
affected.
Remote site host
maintenance
Page 550Execute Delta Resync, and then change the configuration
to a 4x4 configuration that originates from the local site
Primary site
storage system
Failure
(Local -> Remote). During recovery, the Cnt AC-J Z copy
pairs for the failed volume must be deleted and re-created.
failure (with
information lost
from memory)
Page 557Execute Delta Resync, and then change the configuration
to a 4x4 configuration that originates from the local site
(Local -> Remote).
Primary site
storage system
failure (with no
information lost
from memory)
Page 562Suspend Cnt Ac-S Z copy pairs by using the Cnt Ac-S Z
Consistency Preservation Function. During recovery, the
Local site storage
system failure (with
Cnt Ac-S Z copy pairs and Cnt AC-J Z copy pairs for the
failed volume must be deleted and re-created.
information lost
from memory)
Page 568Suspend Cnt Ac-S Z copy pairs by using the Cnt Ac-S Z
Consistency Preservation Function, and then resynchronize
the Cnt Ac-S Z copy pair.
Local site storage
system failure (with
no information lost
from memory)
Page 568After error recovery, delete the Cnt AC-J Z copy pairs
(Primary -> Remote and Local -> Remote) whose S-VOL is
Remote site storage
system failure (with
located in the storage system in which the failure occurred,
and then re-register the EXCTG.
information lost
from memory)
Page 573After error recovery, resynchronize the Cnt Ac-J Z copy
pairs (Primary -> Remote and Local -> Remote) whose S-VOL
Remote site storage
system failure (with
is located in the storage system in which the failure
occurred.
no information lost
from memory)
Page 575Execute Delta Resync, and then change the configuration
to a 4x4x4 configuration that originates from the local site
(Local -> Primary and Local -> Remote).
Primary site host
failure
Page 581Suspend Cnt Ac-S Z copy pairs by using the Cnt Ac-S Z
Consistency Preservation Function, and then resynchronize
the Cnt Ac-S Z copy pair.
Failure on a path
from the
primary-site storage
system to the
local-site storage
system
Using a 4x4x4 Delta Resync configuration 533