User Guide
4. Management
4.3 Firmware Upgrade
SAS Configurations:
The server host must be configured with multi-pathing
software that can handle the nature of the firmware upgrade. i.e. Once firmware
is downloaded to the IOMs, each IOM will reset and boot the new code in a
staggered fashion such that the host always has at least one path to the drives to
service I/O.
SATA Configurations:
A SATA configuration should not be considered for an
online upgrade due to the single path nature of the topology.
Step 3 :
Log on to the Windows server and launch a command prompt.
Step 4 :
Input the
sg_scan -s
command to find the IOM devices to ensure that they can be accessed.
Note:
If the Ultrastar Data102 is connected to an HBA that does not present the
Enclosure Services Processor to the host for management purposes, Western
Digital recommends attaching the Ultrastar Data102 to a host that does expose
the Enclosure Services Processor so that the upgrade may be performed.
Attention:
Beginning with firmware version 2000-073, the user may upgrade in-
band via sg_ses_microcode without the requirement of having Ethernet interfaces
actively configured with DHCP. Please proceed to the upgrade procedure.
Step 5 :
To determine which IOM is which, use the
<dev>
string with the sg_ses command.
Step 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 be connected to obtain the IP addresses via DHCP prior to starting the upgrade
process. The Ethernet ports are shown in the following image:
Figure 246:
Ethernet Ports ( IOM A port magnified)
b.
After connecting both Ethernet interfaces and obtaining the IP addresses via DHCP, locate
the
<dev>
device name from the
sg_scan -s
.
c.
Verify that both OOBMs have IP addresses by issuing the command
sg_ses <dev> -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:
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