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Note
The backup command may not end normally at times, so do not perform the following operations:
- Forced end using Ctrl+C during execution of the backup command
- Stopping the Manager during execution of the backup command
If the operations listed above have been performed, the following action will be required, depending on the status:
Execute the command shown below the next time and any subsequent times the base backup does not end normally.
When this command is executed, base backup will end normally.
For details on the command, refer to "12.10 ctmg_resetbackuperror (Recover Base Backup Error)" in the "Reference Guide (Command/
XML) CE".
<Installation_folder>\RCXCTMG\bin\ctmg_resetbackuperror.bat
The processing result is output as standard output.
The contents and meaning of the processing result are shown in the table below.
Processing Result Return Value Message
Normal end 0 Successfully reset the base-backup error.
Error Other than 0 Failed to reset the base-backup error.
- If starting of the Manager fails
When operations continue after a while without the command mentioned above (ctmg_resetbackuperror) being executed, and then
the Manager is stopped, subsequent starts of the Manager may fail. If this happens, an error message will be output to the database
log files, as follows:
- Database Log Files
Installation_folder\RCXCTMG\Charging\log\psql-nn.log (*)
* Note: The "nn" part is a 2-digit numeral indicating the day on which the log was output.
- Error Message
Example: If the access control database failed to start
LOG: could not open file "pg_xlog/xxxxxxxx" (log file 0, segment xx): No such file or directory
(*)
LOG: invalid checkpoint record
PANIC: could not locate required checkpoint record
HINT: If you are not restoring from a backup, try removing the file
"C:/Fujitsu/ROR/RCXCTMG/Charging/pgsql/data/backup_label".
* Note: The "xxxxxxxx" and "xx" parts of the log are undefined.
In a case like this, delete the file shown below. When this file is deleted, start of the Manager will end normally. When this
file is deleted, start of the Manager will end normally.
Installation_folder\RCXCTMG\Charging\pgsql\data\backup_label
Differential Backup
With differential backup, the contents of updates to the database are output to multiple files in 16 MB-sized lots.
These files are called Write-Ahead Logging (WAL) files.
Usually, for each 16 MB written, the WAL file being written to is switched, and the WAL file for which writing has been completed is
saved to the "wal" directory under the backup directory.
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