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GroupWise 7 Interoperability Guide
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If the node where GWTSA is running goes down, the backup needs to be rerun when the node is up
again, unless the nodes where the domain and post office volumes failed over are also configured to
back them up. Using GWTSA, there is currently no way to restart a backup from a checkpoint
position. By configuring redundant backup jobs on all nodes where domains and post offices could
fail over, you can ensure that domains and post offices are always backed up, regardless of the node
they are mounted on when the backup takes place.
To restore data in a clustering environment, you must run your backup/restore software on the node
where the location to restore is currently mounted.
8.2 Using TSAFSGW in a NetWare 6.
x
Cluster
In a clustering environment, TSAFSGW must be installed and loaded on each node from which your
backup software backs up any portion of your GroupWise system. To accommodate the variable
locations of data to back up from a clustered GroupWise system, the
.ncf
file for TSAFSGW on
each node should be edited to include a /home startup switch for every domain and post office on
every cluster-enabled volume that might ever be mounted on that node.
If you are using TSAFSGW, the /vserver switch enables you to specify the name of a virtual server
in your NetWare cluster. Then you can use the /home switch to specify shared volumes and paths
rather than physical volumes and paths. For example:
/vserver-
clustername
_
volumename
_SERVER
/home-
volumename
:\
domaindirectory
/home-
volumename
:\
postofficedirectory
For example, if you have a domain named NewYork and a post office named Engineering, with
libraries named Design and Training, the switches for TSAFSGW would be:
/vserver-CORPORATE_GROUPWISE_SERVER
/home-gw:\gwsystem\newyork
/home-gw:\gwsystem\engineering
You can use this same configuration file on every node in the cluster. TSAFSGW can identify the
libraries based on information provided by the post office. Your backup software would then list the
following locations to back up, based on the previous example:
GroupWise Cluster System
[DOM] newyork
[PO] engineering
[DMS] lib0001
[BLB] design_store
[DMS] lib0002
[BLB] training_store
From the list provided in your backup software, you can select
GroupWise Cluster System
to back up
all the objects listed, or you can select individual objects for backup.
Because TSAFSGW must be installed and loaded on all nodes in the cluster, it can connect to the
virtual server from all nodes. If the node where TSAFSGW is performing a backup goes down, that
node is dismounted and the next node is mounted to the virtual server. However, because
TSAFSGW creates its list of resources when it loads, it is not aware of the newly mounted node. It
must be unloaded and reloaded in order to notify your backup software of the change. Your backup
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