90 Running Your Library• Click Cycle to power cycle the I/O blade. It takes approximately 3 minutes to power cycle a blade.The paths to open the appropriate screens are as follows:• From the web client, select Setup > I/O Blades > Blade Control.• From the operator panel, select Setup > I/O Blades > Blade ControlShutting Down or Restarting the LibraryAdministrative users can use the System Shutdown screen to shut down or restart the library. Somemaintenance activities require that the library be shut down or restarted.Shutdown shuts down the library's operating system and firmware. When performing a shutdown, the libraryfinishes all active commands received from the host application and does not process any new commands.It also shuts down all partitions. To finish the shutdown, press the power switch on the front of the controlmodule.Always perform a shutdown before completely removing power from the library. To completely removepower from the library, you must turn off the power switch on each power supply. Power is completelyremoved from the library when the blue LED on each power supply turns off.To turn the library back on, turn the power switch on on each power supply, press the front power switchagain, and then follow the login procedure.Restart shuts down and restarts the library's operating system and firmware. When performing a restart, thelibrary finishes all active commands received from the host application and does not process any newcommands. The library shuts down all partitions and restarts them during the reboot. In addition, the libraryperforms an inventory of cartridges, tape drives, and slots during a reboot. Restarting takes approximately5 minutes for the 5U control module and longer for the 14U and 23U library configurations.If the "Not Initialized" message appears on the operator panel after the restart process is complete, thelibrary did not properly initialize. View the All RAS Tickets screen to find the problem that is preventing thelibrary from properly initializing. See Viewing RAS Tickets on page 205.The paths to open the appropriate screens are as follows:• From the web client, select Operations > System Shutdown.• From the operator panel, select Operations > Shutdown.Note This operation should not be performed concurrently by multiple administrativeusers logged in from different locations. You can access the appropriatescreens, but you cannot apply changes while another administrative user isperforming the same operation.CAUTION If you do not perform library shutdown before you power off the library, lossof data could occur.Note The Restart operation should not be performed concurrently by multipleadministrative users. You can access the screen, but you cannot applychanges while another administrative user is performing the same operation.