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Reboot System
Clicking
System Admin > Reboot
takes you to the
Reboot System
page, which enables you to restart or
shut down the system.
Figure 3-141:
Reboot System
page
For single-controller units, the
Controller Maintenance
section is not displayed, and the
Hot Restart Rolling
Restart
option is grayed out.
Reboot RAID System
The
Reboot RAID System
section has four options:
Hot Restart
: For dual-controller units with certain configurations, this allows you to restart the RAID
Controllers without losing host connectivity or data transfer capability. During a hot restart, each RAID
Controller reboots individually.
For a hot restart to be performed, both RAID Controllers must be fully operational and have the same
firmware version (see
on page 205), and the system must be in a mode that supports
controller failover (
Active-Active
or
All Ports All LUNs
—see
on page 198). If one or more
of these conditions is not met, and on single-controller units, the
Hot Restart
option is grayed out.
Note
System settings requiring a reboot will not be applied by a hot restart.
Rolling Restart
: For dual-controller units with certain configurations, this allows you to restart the RAID
Controllers with only a brief loss of host connectivity and data transfer capability. During a rolling restart,
each RAID Controller reboots individually.
For a rolling restart to be performed, both RAID Controllers must be fully operational and have the same
firmware version (see
on page 205), and the system must be in a mode that supports
Chapter 3: The Graphical User Interface — System Administration
Nexsan High-Density Storage
User Guide
194