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The dbvolchange utility may be used to modify parameters of a database volume file.
usage: dbvolchange [options] volume_file_name
options:
-v - verbose
-d flags - debug flags
-c cfg - configuration file name
-e sz - Extension size
-m sz - Max volume size
The options are:
- -help
- The -help option displays a brief help text.
- -v
- The -v option causes dbvolchange to output more detailed processing messages.
- -d flags
- The -d option specifies debug flags and is normally not used.
- -c cfg
- The -c option specifies the eloqdb server configuration file name. If not specified,
the default configuration file name depends on OS platform and Eloquence version.
- -e size
- The -e option specifies the extension size (in MB). When the volume is getting full,
it will be extended in steps of size MB. If size is 0, the volume will not be extended
automatically by the server. The default extension size is 1 MB.
- -m size
- The -m option specifies the maximum volume size (in MB). Automatic volume extensions
will not grow the volume beyond size MB. If not specified (or specified as zero), the
maximum volume size is determined by the "VolumeFileSizeLimit" setting in the eloqdb
server configuration file.
- The eloqdb database server must not be running when dbvolchange is used.
- As of Eloquence B.08.30 the dbctl volume
command may be useful to change volume file size limits for a running database server.
The example below changes the extension size for volumes /data/db-01.vol and /data/db-02.vol
to 50 MB per automatic volume extension and specifies a maximum size of 1024 MB for each file.
dbvolchange -v -c eloqdb.cfg -e 50 -m 1024 /data/db-01.vol
dbvolchange -v -c eloqdb.cfg -e 50 -m 1024 /data/db-02.vol
dbvolcreate,
dbvolextend,
dbvoldump,
dbctl volume.
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