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User Guide
5.1.5 Windows Upgrade Preparation
To upgrade firmware using a windows server, do the following:
1. Make sure that sg3_utils is installed on the system and that the MPIO software is configured
and enabled on the host to be able to handle an online upgrade.
2. Connect the Ultrastar Data102 to a standard SAS HBA or a RAID SAS HBA hosted on the
Windows Server that presents the Enclosure Services Processor to the operating system. The
Enclosure Services Processor in the Ultrastar Data102 will be referred to as an IOM.
Note: To perform an online firmware upgrade, the Ultrastar Data102 must be
configured with redundant data paths, meaning both IOMs must have a SAS
Port populated and connected to the host server.
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.
Figure 197: Multipathing Configuration Minimum Requirement
3. Log on to the Windows server and launch a command prompt.
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,
HGST recommends attaching the Ultrastar Data102 to a host that does
expose the Enclosure Services Processor so that the upgrade may be
performed.
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5. System Management
5.1 Firmware Upgrade
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