IBM SAN Volume Controller 2145-12F, Hardware Installation Manual

Page: 167 / 194

Table 22. Expansion canister and SAS port LEDs
Name
Color State Meaning
1 Canister fault Amber Off Normal operation.
On A fault was detected.
Flashing The expansion
canister is being
identified. A fault
might or might not be
detected.
2 Canister status Green Off Canister is off.
On Normal operation.
Flashing A vital product data
(VPD) error occurred.
3 Canister power Green Off Canister is off.
On Canister is receiving
power.
4 and 6 SAS link fault Amber Off No faults are
detected. All four phys
have a link
connection.
On Several error
conditions are
possible:
• Only 1, 2, or 3 phys
are connected, but
not all 4.
• The phys are not
operating at the
same speed.
• All phys are not
connected to the
same remote port.
One or more of the
connected lanes are
attached to a
different address.
5 and 7 SAS link
operational
Green Off No link connection on
any lane. The
connection is down.
On The SAS link is active.
At least one of the four
lanes is connected.
Chapter 4. Installing an optional 5U SAS expansion enclosure 135