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Is
8.2x
the version
of the controller
firmware on the
original
or the
new
DS3500, DCS3700, DCS3860,
DCS3700 with Gen2 controllers,
DCS3860 with Gen2 controllers
or the DCS3700 Performance
Module Controllers
subsystem?
Yes
Upgrade both the
original
new DS3500, DCS3700, DCS3860,
DCS3700 with Gen2 controllers,
DCS3860 with Gen2 controllers,
or the DCS3700 Performance Module
Controllers subsystem to the
same version of the 8.2x controller
firmware before the head-wap.
Note:
You might need to
purchase two extra drives
to upgrade the new
storage subsystem.
Figure 9. Firmware compatibility flowchart for a storage subsystem upgrade
Start
Is the version of
controller firmware
in the
original
No
less than or equal to
the version of
controller firmware
in new
subsystem?
No
and the
Upgrade the controller
firmware in the new
subsystem to the same or
later version than the
controller firmware in the
original subsystem
the Storage Manager
Client GUI after first
configuring it with
two new drives.
Finish
b. If you configured the new storage subsystem with at least two new drives
to get the storage subsystem into Optimal state for updating the controller
firmware, perform one of the following tasks:
v Leave the new storage subsystem configuration as is. Perform steps 4c-4g,
5a or 5b, and 5c-5e to prepare the original subsystem configuration for
drive and drive enclosure migration and to turn off power of the original
storage subsystem. Use the procedure in Chapter 3, "Adding or migrating
storage enclosures," on page 25 to migrate the drives and storage
enclosures in the original storage subsystem into the new storage
subsystem configuration. After you migrate all of the drives and storage
subsystem
Yes
through
Chapter 4. Upgrading a storage subsystem controller
49
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