Options
If no further options are specified, the archive should represent a full backup and this should
be restored in full. The status of all files is therefore the same after the "restore" as it was at
the time of the backup.
● The -full option additionally forces the partition and the file system to be recreated on the
CompactFlash Card. This is, however, possible only from a service system. -full is
necessary if the partition table and/or file system is missing or damaged.
● However, if you want to restore the backup files without losing any files that have been
created in the meantime, you can use the "-nodelete" option to prevent them from being
deleted. "-nodelete" is not executed together with "-full", because all data is always deleted
when the file system is recreated.
● The -addon, -oem, -user, -addon+ and -oem+ options also allow only parts of an archive
to be unpacked.
● The -update option is used to load software updates supplied by Siemens. The -update
option can also be useful with -restart. If user-defined system files are changed when
loading the archive to the control, a cold restart or reinitialization is necessary. In such
cases, "sc restore" outputs an appropriate message at the end of the operation. The -restart
option causes the required action to be performed automatically.
2.5.15 Save
Description
Syntax: sc save [-full|-addon|-addon+|-oem|-oem+|-user] [-force] [-
update] FILENAME
Alternative names: backup
Authorization level: user
The "save" or "backup" action creates a backup of the CompactFlash Card in FILENAME,
which specifies the archive path and also the file name. If the action is used from a service
system, the backup receives the files of the associated control – and not the service system.
Example:
sc save -user /tmp/drv01/backup.tgz
Options
The following options are used for selecting which directories of the file system are to be written
to the archive:
-full: complete backup (default): all files of the control, incl. Boot Loader
-addon: only /addon directory
-oem: only /oem directory
-user: only /user directory (user data)
Configuring the system
2.5 Description of the actions
NCU operating system
54 Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1
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