3Com MSR 50 Series Configuration Manual page 2097

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You can create a file by copying or downloading or using the save command.
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CAUTION:
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Storage Device Memory space management
Operations
You can use the fixdisk command to restore the space of a storage device or the
format command to format a specified storage device as shown in the following
table:
To do...
Restore the space of a storage
device
Format a storage device
You may use the two commands when some space of a storage device becomes
inaccessible due to abnormal operations for example.
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CAUTION: When you format a storage device, all the files stored on it are erased
and cannot be restored. In particular, if there is a startup configuration file on the
storage device, formatting the storage device results in loss of the startup
configuration file.
Mounting/unmounting a storage device
For hot swappable storage devices, such as CF card and Flash, you can use the
mount and umount command to mount or unmount the storage device.
When a device is unmounted, it is in a logically disconnected state, you can then
remove the storage device from the system safely. To mount a device, you are
reconnecting the logically disconnected device to the system.
Follow the steps below to mount/unmount a storage device:
To do...
Mount a storage
device
Empty the recycle bin timely with the reset recycle-bin command to save
memory space.
As the delete /unreserved file-url command deletes a file permanently and
the action cannot be undone, use it with caution.
The execute command cannot ensure the execution of each command. For
example, if a certain command is not correctly configured, the system will omit
this command and go to the next one. Therefore, each configuration
command in a batch file must be a standard configuration command, meaning
the valid configuration information which can be displayed with the display
current-configuration command after this command is configured
successfully; otherwise, this command may not be executed correctly.
Use the command...
mount device
Use the command...
fixdisk device
format device
Remarks
Optional
A storage device is in mounted state when it is
connected to the system by default.
File System Management
Remarks
Optional
Available in user view
Optional
Available in user view
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