VSS writers either come with the Windows operating system or with applications.
For a complete list of supported VSS writers and providers, see the latest support
matrices at http://www.hp.com/support/manuals.
The Data Protector Microsoft VSS integration does not provide any restore method
for writers requesting a custom restore. If a writer specifies a custom restore method,
it is only possible to restore the writer's data as plain files using the Data Protector
functionality. You can perform the custom restore manually. Refer to the writers
documentation for additional information on the restore methods.
NOTE:
Writers requiring custom restore methods are by default not shown by Data Protector.
The omnirc variable OB2VSS_SHOWALLWRITERS must be set to 1 for all writers to
be displayed.
Table 23 on page 356 provides a description of VSS writers.
Table 23 Writer description
Restore methodDescriptionWriter name
Files are restored after
a reboot.
This is a system writer, used to back up and
restore Certificate Authority (CA) Service
database. This service issues, revokes, and
manages certificates employed in public
key-based cryptography technologies.
Certificate
Authority Writer
Custom restore methodThis VSS writer using a custom API, is used to
back up and restore Cluster Service on Microsoft
Cluster Server (MSCS). The Cluster Service is a
component on Windows servers used to control
server cluster activities on cluster nodes. It is
fundamental to the operation of the cluster.
Cluster Service
Writer
Custom restore methodThis VSS writer using a custom API, is used to
back up and restore COM+ Database Service.
This service provides automatic distribution of
events to subscribing COM+ components.
COM+ REGDB
Writer
Integrating the Data Protector ZDB integrations and Microsoft Volume Shadow Copy Service356
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