HGST Ultrastar Data102 User Manual page 225

User Guide
5. To determine which IOM is which, use the SCSIX: X,X,X string with the sg_ses command.
6. The following upgrade preparation steps apply only to firmware versions 01XX-XXX or
if the user is upgrading via OOBM. If this does not apply, please proceed to the upgrade
procedure.
a. IMPORTANT: There is a firmware upgrade requirement which requires both Ethernet
interfaces interface to be connected and obtain IP addresses via DHCP prior to
starting the upgrade process. The Ethernet ports are shown in the following image:
Figure 198: Ethernet Ports ( IOM A port magnified)
FAN 1
A5
A6
ENCLOSURE
b. After connecting both Ethernet interfaces and obtaining IP addresses via DHCP, locate
the SCSIX:X,X,X device name from the sg_scan -i output from step 2.
c. Verify that both OOBMs have IP addresses by issuing the command sg_ses
SCSIX:X,X,X -p0x7
d. Locate the IP addresses in the Enclosure Services Controller Electronics (ESCE)
elements, indicated by the XXX.XXX.XXX.XXX in the results as shown in the following
example:
FAN 2
IOM A
MGMT
A1 A2 A3 A4
215
5. System Management
PSU A(TOP)
FAN 1 FAN 2 PSU B (B OT) FAN 3
IOM A IOM B
MGMT
A1 A2 A3 A4 A5 A6
B1 B2 B3
A1 A3 A5
A2 A4 A6
ENCLOSURE
IOM A Ports IOM B Ports
5.1 Firmware Upgrade
FAN 4
MGMT
B4 B5 B6
B1 B3 B5
B2 B4 B6