Man page of NSRMMDBD
Section: Maintenance Commands (8)
Updated: Dec 11, 01m
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nsrmmdbd - NetWorker media management database daemon
daemon provides an RPC-based database service to the
daemons, and query-only access to the NetWorker clients. The RPC
program number provided by
The RPC version numbers provided by
are 3, 4, and 5.
is normally started by
The daemon manages a ``volume, save set and client id database'' located in
The primary purpose of the database is to remember which save sets
reside on which backup volumes. The database also provides the client
name mapping to the internally used client identifier.
Numerous access methods are provided
to save set, volume and client id map records within the database.
Directory containing the media database.
For performance and space reasons, the database is
periodically rebuilt (or compressed). This file
is created each time the database is compressed; its
associated ctime is used to determine the next time that
the database will be compressed. The database compression
can be invoked by removing this file and running
This is not recommended while the NetWorker server is actively
saving or recovering data.
This temporary file is created to hold the media database information
that will be saved to a volume by
A unique file name is generated by utilizing <n>, a 6 digit hex
number appended as part of the file name.
The file (created by
that is read when the media database information is being recovered.
A temporary directory created when recovering or compressing the media database.
An empty file is used to track the last time that the program nsrim was started to perform maintenance on the NetWorker databases.
The file to which Networker daemons writes the log messages.
diagnostic messages will normally be logged to the
Besides the messages listed below,
may generate other diagnostics.
Any diagnostics other than those listed below indicate a serious problem
with the media database.
It may be necessary to recover your media database using
if that occurs.
- media db is converting, this may take a while
Any media databases created prior to the NetWorker 7.? (KeyStone) release have to
be converted (once) to the new database format. The database is converted
to current version.
- media database conversion completed successfully
Printed when the conversion is completed successfully.
- media conversion failed! reason
Printed when the conversion is terminates unsuccessfully.
A more detailed reason may be appended to the message.
NetWorker cannot work until the media database is converted successfully.
- media db is saving its data, this may take a while
Printed when the daemon is dumping its records to a temporary file
when the database is being backed up. The service is unavailable
while the database is dumping.
- media db is recovering, this may take a while
Printed when the daemon is reloading its database. The service is
unavailable while the data is being reloaded.
- media db is checking btrees
Printed each time the daemon is restarted. Upon start-up, the daemon performs
sanity checks on the database search indexes.
- media db is consistency checking the database
Printed each time the daemon is restarted. Upon start-up, after the
database search indexes are checked, the database is checked
for incomplete records.
- media db is open for business
Printed after any of the previous messages are printed to indicate
that the service is once again available.
- media db is closed
Printed after the media database is successfully shutdown.
- A copy of this process is already running!
Another copy of
is currently running and has exclusive access to the media database.
process should be running on a given machine at a time.
This can happen if the previous
was not properly killed off.
to identify and kill off all the
NetWorker daemons before restarting
- Cannot open lock file
An internal error, check the permissions on the
- SEE ALSO
This document was created by
using the manual pages.
Time: 02:37:10 GMT, October 02, 2010