It is
important to make regular backups of your SAS metadata repositories.
The SAS Metadata Server locks repository files, so you cannot use
operating system commands to back up a running SAS Metadata Server
unless you stop the server or change it to an OFFLINE state before
you back up the files.
The SAS 9.3 Metadata
Server includes a server-based facility that can be used to perform
unassisted, scheduled SAS Metadata Server backups. Because the facility
is run by the server (in a separate thread), the following is true:
-
Backups can run without interrupting
the regular operation of the SAS Metadata Server.
-
There is no need to obtain operating
system access to SAS Metadata Server directories or to configure a
special account for backup processing.
-
There is no need to obtain appropriate
authorization to metadata to back up the SAS Metadata Server.
The facility can be
used to perform ad hoc backups, restores, and roll-forward recovery
of the SAS Metadata Server from the metadata server journal. A client
must have administrative access to the SAS Metadata Server to perform
these tasks.
This facility replaces the %OMABAKUP macro
that was provided to back up and restore the SAS Metadata Server in
SAS 9.1 and SAS 9.2.
The SAS
Deployment Wizard uses this facility to configure a default schedule
of unassisted metadata server backups for all new and migrated SAS
9.3 systems during installation. The SAS 9.3 Management Console Metadata
Manager provides a graphical user interface to enable customers to
monitor and manipulate backups, modify the default backup configuration
and backup schedule, perform ad hoc backups, and perform metadata
server recovery. A MetadataServer script in the
SASMeta/MetadataServer directory provides a batch interface for the functionality available
in SAS Management Console.
Lower-level access can be obtained
by using metadata procedures, such as PROC METAOPERATE and PROC METADATA,
or by issuing IServer Refresh and Status method requests. However,
using metadata procedures and issuing method requests are not necessary.
Directly using the IServer Refresh or Status method is discouraged.
The recommended interface for manipulating, administering, and monitoring
server backups is SAS Management Console.