Hardware Maintenance - ATTO Technology Diamond Storage Array VT-Class Installation And Operation Manual

Diamond storage array
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The disk drive sleds, blower assemblies, power supplies, host interface cards, and system management
card may be replaced with identical or upgraded parts.
CAUTION
CAUTION
Do not leave empty openings on the front
or rear of the Diamond-VT under any
circumstances. Empty openings affect
airflow and may cause the unit to overheat
and shut down.
WARNING
The only way to completely de-energize the
Power Switch Positions
On
Stand-by
Stand-by position on one power supply
does not completely turn off power to the
Diamond-VT; it is not an AC on-off switch.
Power may still be in the unit through the
other power supply.
CAUTION
CAUTION
All modular components must be replaced
by qualified personnel only. Use a static
wriststrap when handling any of the cards
inside the Diamond-VT. Components are
electrostatic sensitive. Use proper
grounding methods when working with or
around the Diamond-VT. Always store
spare components in proper ESD
containers when not in use.
• The power supply and blower assembly may be
replaced while the unit is running. (See
Operating Instructions
• Host interface cards and management cards
may only be replaced when the Diamond-VT is
off. Backup the unit fully before replacing these
components.
• You may remove a disk drive sled while the
Diamond-VT is powered on. See the instructions
Hot Swap Operating Instructions
in
details.
To remove a management
Management card:
card, power down both power supplies, loosen the
screws holding the card in place, pull out the
67
ATTO Technology Inc. Diamond Storage Array Installation and Operation Manual

10.0 Hardware Maintenance

unit is to turn off both
power supplies and
unplug both power
cords from the back of
the unit. Turning the
power switch to the
Hot Swap
on page 69)
on page 69 for
Exhibit 10-1: The management card may be accessed via a
serial port DB-9 connector or an optional Ethernet
connection.
assembly and replace it with another. Securely
tighten all screws after replacing the component.
To remove a disk drive sled
Disk drive sled:
(Exhibit 10-2), loosen the screws on either side of
the assembly, then pull on the assembly's handle
and carefully slide it out of its bay.
FC or SCSI Host Interface Card
Fibre Channel or SCSI Host Interface Card from
the back of the Diamond-VT (Exhibit 10-3),
power down both power supplies and remove any
cable attached to the port. Loosen the retaining
screws and pull the Host Interface Card out of the
unit. To replace the card, push it back into the unit
and tighten the retaining screws.
To remove the power supply
Power supply:
(Exhibit 10-4), press the Stand-by power switch to
the off position, remove the power cord, and,
using a No. 1 Phillips screwdriver, loosen the
screws holding the assembly in place. Pull out the
assembly and replace it with another. Securely
tighten all screws after replacing the component.
To remove a blower assembly
Blower assembly:
(Exhibit 10-4), using a No. 1 Phillips screwdriver,
loosen the screws holding the assembly in place.
Pull out the assembly and replace it with another.
Securely tighten all screws after replacing the
component.
To remove a

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