Preparing To Remove And Replace Parts; Before You Begin; Replacing A Node Canister - IBM Storwize V7000 Unified Problem Determination Manual

management GUI and follow the fix procedures. Performing the replacement
actions without the assistance of the fix procedures can result in loss of data or loss
of access to data.
Each replaceable unit has its own removal procedure. Sometimes you can find that
a step within a procedure might refer you to a different remove and replace
procedure. You might want to complete the new procedure before you continue
with the first procedure that you started.
Remove or replace parts only when you are directed to do so.

Preparing to remove and replace parts

Before you remove and replace parts, you must be aware of all safety issues.

Before you begin

First, read the safety precautions in the IBM Systems Safety Notices. These
guidelines help you safely work with the Storwize V7000 Unified.

Replacing a node canister

This topic describes how to replace a node canister.
About this task
Attention: If your system is powered on and performing I/O operations, go to
the management GUI and follow the fix procedures. Performing the replacement
actions without the assistance of the fix procedures can result in loss of data or loss
of access to data.
Be careful when you are replacing the hardware components that are located in the
back of the system that you do not inadvertently disturb or remove any cables that
you are not instructed to remove.
Attention: Do not replace one type of node canister with another type. For
example, do not replace a model 2076-112 node canister with a model 2076-312
node canister.
Be aware of the following canister LED states:
v If both the power LED and system status LED are on, do not remove a node
v If the system status is off, it is acceptable to remove a node canister. However,
v If the power LED is flashing or off, it is safe to remove a node canister.
Attention: Even if a node canister is powered off, it is still possible to lose data.
Do not remove a node canister unless directed to do so by a service procedure.
To replace the node canister, perform the following steps:
Procedure
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Storwize V7000 Unified: Problem Determination Guide 2073-720
canister unless directed to do so by a service procedure.
do not remove a node canister unless directed to do so by a service procedure.
However, do not remove a node canister unless directed to do so by a service
procedure.
1. Read the safety information to which "Preparing to remove and replace parts"
refers.