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User Guide
5 System Management
5.1 Firmware Upgrade
This section provides information on actions that should be taken before starting a firmware upgrade
on the Ultrastar Data102.
The storage administrator should determine if the applications on the enclosure should be quiesced
before the online upgrade is completed. Before upgrading enclosure firmware, review the following
section to determine whether or not the enclosure should be taken offline before upgrading. As an
alternative to the automatic firmware upgrade activation process, the storage administrator may opt
to use a more controlled process by using the non-automatic firmware activation process detailed in
Linux Upgrade to New Firmware
216).
Attention: It is strongly recommended that the user use the non-automatic firmware activation
process for either Linux or Windows.
SAS Configuration: If the enclosure contains SAS drives and redundant IOMs, the enclosure
firmware may be upgraded while online. This is due to the SAS configuration and host being able to
manage the firmware upgrade using host multi-pathing software. The storage administrator should
ensure that there are always two paths to each drive before starting an upgrade on either IOM. This
will ensure that at least one path to each drive is available during the reset of the IOM that is being
upgraded.
SATA Configuration: If the enclosure contains SATA drives, the enclosure firmware should not
be upgraded while online. This is due to the SATA configuration having no redundancy with only a
single IOM (the second slot contains an IOM Blank). When the IOM is rebooted, the single path to
the drives to service I/O will be taken down.
Users should install all of the required downloads before beginning the firmware upgrade process.
Devices (<dev>)
In order to initiate a firmware upgrade on the enclosure, a target must be identified. Linux targets
are referred to as sg (SCSI Generic) devices and appear as <dev> in the Linux Firmware Upgrade
procedure. Windows targets are referred to as SCSI devices and appear as <dev> in the Windows
Firmware Upgrade.
Required Downloads:
• SG3 Utils: download version 1.42 from the SG3 Utils website at:
sg3_utils.html
Note: Firmware upgrades do not affect any zoning configurations that have been enabled on
the enclosure.
(page 210) and
Windows Upgrade to New Firmware
205
5. System Management
5.1 Firmware Upgrade
(page
http://sg.danny.cz/sg/
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