evms_metadata_backup8
Backup the metadata used to create evms objects, containers, and volumes.
Usage
evms_metadata_backup [options]
[directory]
options: [-d
debug_level,
--debug-level
debug_level]
directory:
Directory in
which
to
save
the
metadata
backup
file
Overview
Use the evms_metadata_backup utility to save a copy of all the metadata that are used to build the segments (partitions), regions, containers (groups), and volumes in the system. The metadata are saved in a file named "evms-metadata-yyyy-mm-dd-hh.mm.ss", where "yyyy-mm-dd-hh.mm.ss" is the time of the backup.
Options
The following options can be used with evms_metadata_backup:
-
-d, --debug-level debug_level -
Specify the amount of information that should be written to the log file. A numerical value between 0 and 9 can be specified, where a larger number generates more logging information. The following text values are also allowed:
critical serious error warning default details entry_exit debug extra everything
"Critical" generates the least information and "everything" generates the most information. The default debug level is "default" or "5."
-
-l, --log-file log_file_name -
Specify the location of the log file. The default value is /var/log/evms-engine.log.
-
-n, --node-name node_name -
Specify the node in the cluster on which the backup should be performed. The default value is the local node. If EVMS is not running in a cluster, this option is ignored.
-
-q, --quiet -
Display only error messages.
-
-v, --verbose -
Display verbose status information about the progress of the backup.
-
-h, -?, --help -
Display a summary of the options available for
evms_metadata_backup.
Parameters
- directory
-
Save the metadata backup file in this directory. The default directory is /var/evms/metadata-backups/. The directory can also be set with the "metadata_backup_dir" variable in the "engine" section of /etc/evms.conf.