RAID Controllers (BT60 only)
In the event of a RAID Controller failure, replace the Controller using the following procedure:
CAUTION
: DO NOT REMOVE THE FAILED RAID CONTROLLER until the new RAID Controller
has arrived and is ready to be installed. Removing a RAID Controller reduces air flow and cooling
and can result in the system overheating.
CAUTION
: Single RAID Controller replacement in a dual-Controller system should always be car-
ried out as a hot-swap operation. This ensures that firmware versions match and enables
RAID Controller settings to be automatically applied to the new RAID Controller.
CAUTION
: Computer components and disk drives are sensitive to electrostatic discharge (ESD).
Always ground any electrostatic charge from your person before touching components with your
hands or with any tools. Always use an anti-static wrist strap (one ships with each Nexsan Storage
System) while installing or performing maintenance on any Nexsan Storage System. See
on page 23 for detailed instructions.
Notes:
If you are running in
Dual-Controller Non-Redundant
mode (see
System Mode
in the
Nexsan High-
Density Storage User Guide
) or if you have hosts that do not have multipathing configured but have
paths available to each RAID Controller, shut down or disconnect all hosts prior to beginning this
procedure.
For a single-Controller system or when changing both Controllers, you will need to use a serial
connection or the Nexsan IP Config tool. Refer to the
Nexsan High-Density Storage User Guide
and
Nexsan Storage Tools.
►
To replace a RAID Controller:
1. Determine which RAID Controller has failed by examining the
STAT
LED on each module (see ). A
flashing red LED indicates the failed module. The
Home
page of the graphical user interface (GUI)
also tells you which module has failed (see the
Nexsan High-Density Storage User Guide
).
Note
In some cases, a RAID Controller needs to be replaced even if it has not failed outright. In this
case, you must determine which RAID Controller to replace by following the troubleshooting
procedures in
Chapter 4
of the
Nexsan High-Density Storage User Guide
.
Note
If you are replacing a single
failed
RAID Controller, skip to step 3.
2. If necessary, do one of the following:
If you need to replace a RAID Controller
that has not yet failed
, navigate to
System Admin >
Reboot
in the graphical user interface (GUI). Under
Controller Maintenance
, select the
RAID Controller that you need to replace, select the confirmation check box, and click
Execute
NOW
.
If you must replace both RAID Controllers, navigate to
System Admin > Reboot
in the graphical
user interface (GUI), select
System Shutdown
, select the confirmation check box, and click
Execute NOW
.
3. Carefully note communication cable locations, then remove all cables from the failed RAID Controller.
Note
Cables should only be reconnected to the same ports from which they were removed in order to
ensure proper communication between the Nexsan Storage System and connected hosts.
Chapter 3: Replacing Modules
Nexsan BEAST BT60 and BT60X
FRU Removal and Replacement Guide
Nexsan
34
3
Содержание BEAST BT60
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