HP P6000 Cluster Extension Software Administrator Guide (5697-0986, June 2011)

Description Specifies the directory where P6000 Cluster Extension searches for application-
specific files, such as the force flag or online file.
If ApplicationDir is set to a nonexistent drive, P6000 Cluster Extension is unable
to create the online file and cannot bring the resource online.
Windows
If ApplicationDir is not set, P6000 Cluster Extension uses the local %HP-
CLX_EVA_PATH% values as defined in the registry.
Default values Linux
online file: /etc/opt/hpclxeva
force flag file: /etc/opt/hpclxeva/conf
Windows
%HPCLX_EVA_PATH%
Files resource_name.forceflag
resource_name.online
If specified in a user configuration file, resource_name is the value of the APPLIC-
ATION tag; otherwise, resource_name is the value of the P6000 Cluster Extension
resource name.
ApplicationStartup (Optional)
Format String
Description Specifies where a cluster group should be brought online.
The ApplicationStartup object can be customized to determine whether an applic-
ation service starts locally or is transferred back to the remote data center (if pos-
sible) to start immediately without waiting for resynchronization. This object is used
only if an application service has already been transferred to the secondary site
and no recovery procedure has been applied to the DR group (the DR group has
not been recovered and is not in a normal state). This process is considered a
failback attempt without prior DR group recovery.
P6000 Cluster Extension can detect the most current copy of your data based on
the DR group information. If P6000 Cluster Extension detects that the remote
P6000/EVA storage system has the most current data, it orders a resynchronization
of the local disk from the remote disk, or it stops the startup process to enable the
cluster software to fail back to the remote P6000/EVA storage system.
If a resynchronization is ordered, P6000 Cluster Extension monitors the progress
of the copy process. If the application service was running on a secondary
P6000/EVA storage system without a replication link, a large number of records
may need to be copied. If the copy process takes longer than the configured ap-
plication startup timeout value, the application startup will fail.
MSCS
If the ApplicationStartup resource property is set to FASTFAILBACK, and the Fail-
overThreshold value is set to a number higher than the current number of clustered
systems for the service or application, the service or application will restart on
configured nodes until one of the following conditions is met:
• The resource is brought online in the remote data center.
User configuration file and P6000 Cluster Extension objects78