HP StoreOnce 2700 Installation And Configuration Manual page 66

NOTE:
Before performing this step, check that there are no outstanding backup jobs pending.
If there are only one or two, click in the appropriate check box to select them and click
Update Selected.
If there are many, click Update All. This will attempt to update all components that are in
the state where there is an update recommended; it will not try to update components
that do not need an update.
The Status field will show which components are being updated and which updates have
been completed.
4. When all updates are completed, a reboot may be required.
66 Completing the installation
When the firmware updates are initiated, the backup devices will be taken offline.