DataDirect Networks EF2800, Руководство пользователя

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DataDirect Networks EF2800 FC RAID Storage System User Guide (V 1.0)
C o n f i g u r i n g t h e E F 2 8 0 0
H.1 Shutting Down and Restarting the Storage
Manager Module
• Shut down and restart the current SM module: Gracefully shuts
down and restarts the SM module you are currently accessing using
the Disk Array Administrator software (as shown at the bottom of
each screen). Use this option when you have changed a
configuration that requires restarting (the procedures say when you
need to do this) or when you need to replace the SM module (see
page 298 ).
• Shut down the other SM module: Gracefully shuts down the other
SM module (the one you are not currently accessing using the Disk
Array Administrator software). Use this option when you need to
replace the other SM module or to perform maintenance (see
page 299 .).
• Shut down both SM modules: Gracefully shuts down both SM
modules. Use this option when you need to power down the whole
system for maintenance, repair, or a move (see
page 300 ).
H.1.1 Shutting Down and Restarting the Current SM Module
You may need to shut down and restart a SM module after making
certain configuration changes. The procedures say when you need to
do this.
You should shut down a SM module before you remove it. This shut
down is the same as unlocking the handles on the SM module hardware
to remove it. Using the shutdown from the Disk Array Administrator
lets you see any messages related to the shut down. You cannot see the
messages when you unlock the hardware handles.
You should shut down both SM modules when you need to power down
the whole system for maintenance, repair, or a move. For more
information, see section
H.1.3 , "Shutting Down Both SM Modules" on
page 300 .
We strongly recommend that you shut down a SM module gracefully
and do not just turn off the power. A normal shutdown ensures that the
write-back cache has been flushed to the disk.