Building Disaster Recovery Serviceguard Solutions Using Metrocluster with 3PAR Remote Copy

Table 4 Replication modes and failover scenarios (continued)
ResolutionMetrocluster ActionMetrocluster
Parameters
Replication
Mode
Replication
State/Link
Status
Remote
RCVG
Role
Local
RCVG
Role
in the location
specified in the
Error: The Remote
Copy link is down and
DTS_PKG_DIR
parameter.
data in the local
storage system may
not be current. The
user has set
AUTO_NONCURDATA
to "0” and has not
created the
FORCEFLAG file. To
start the package
forcefully using non
current data, use
FORCEFLAG file.
If the
AUTO_NONCURDATA
AUTO_NONCURDATA
=1
parameter is set to 1
or if the FORCEFLAG
is present, then
Metrocluster fails over
and allows the
package to start up.
This results in the local
role becoming
primary-rev and
remote role becoming
primary. When the
link is up, then you
must manually run the
recover operation to
ensure that the
replication is
happening.
Run the
setrcopygroup
Metrocluster does not
start the package and
logs the following
Periodic/SyncStopped/Down
Stopped/Up
Primary
Rev
Primary
recover command
error message in the
log file.
or use the Inform
Management
console GUI.
Error: The local
Remote Copy volume
group role is
"Primary" and the
Remote Copy volume
group role is
"Primary-Rev". Start
Remote Copy from the
other site to this site
using "recover"
operation before
restarting the
package.
Failure scenarios in a complex workload
This section elaborates on the failure scenarios that can occur when a complex workload is
configured using Site Aware Disaster Tolerant Architecture.
Failure scenarios in a complex workload 45