Removing an expansion canister: 2145-92F
You can remove the expansion canisters in a 2145-92F expansion enclosure.
Before you begin
Important: You can remove an expansion canister without powering off the
expansion enclosure. However, to maintain operating temperature, perform the
following tasks.
v Do not remove a faulty expansion canister until its replacement is ready to be
installed.
v Do not remove an expansion canister from an operational enclosure for more
than approximately 10 minutes. The reduction in airflow through the enclosure
might cause the enclosure or its components to shut down to protect from
overheating.
About this task
An expansion canister provides SAS connectivity between the 2145-92F expansion
enclosure and SAN Volume Controller system. If either of the two expansion
canisters has a failure, the other expansion canister assumes the full I/O load.
Figure 115 shows the features of an expansion enclosure.
▌1▐ Canister fault indicator
▌2▐ Canister status
▌3▐ Canister power indicator
▌4▐ and ▌6▐ SAS link fault indicators
▌5▐ and ▌7▐ SAS link operational indicators
▌8▐ Canister release handles
Procedure
1. Read all safety information.
2. Locate the expansion canister to be removed.
3. Release the lower cable management arm to swing it out of the way, as
described in “Moving the cable management arms” on page 73.
4. Remove the SAS cables from the expansion canister, as described in “Removing
and installing a SAS cable: 2145-92F” on page 97.
5. Rotate the handles on the expansion canister outward, as shown in Figure 116
on page 123.
2
1
S
A
S
2 31 4 5 6 7
svc01070
Figure 115. Expansion canister
122 SAN Volume Controller: Model 2145-SV1 Hardware Installation Guide
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