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Copyright © 2019, 2021, Hitachi, Ltd.
DKC910I
Hitachi Proprietary
[INST(RM)01-01-10]
Rev.0
INST(RM)01-01-10
1. Before Starting the Removal Work
NOTICE:
During the removal work, the part statuses in the Web Console, Maintenance Utility,
and Maintenance Utility (Sub Panel) windows might be displayed differently from
the actual statuses. (Example: The Drives during the removal are displayed as the
[Blocked] status.)
In that case, complete the running maintenance operation, and then refresh the
display information in each window.
If you make a mistake in the operation of the removal work, user data in the Storage System may be lost.
Therefore, perform the followings before starting the removal work to prepare against an unexpected
accident.
1. Back up user data.
Back up user data in the Storage System by the operation on the host computer side.
2. The removal operation varies depending on the component and the location where the component is
installed. Besides, remove an optional component after making sure whether the work must be done with
the Storage System power on or off.
• A removal with the Storage System power turned on :
A status in which the Storage System power is turned on regardless of whether the system (host
computer) is turned on or off.
•
A removal with the Storage System power turned off :
A status in which the Storage System power is turned on regardless of whether the system (host
computer) is turned on or off.
3. When removing the optional component, it is required to change the settings of the Storage System using
a Maintenance PC connected via a LAN. Make the following preparations before starting to remove the
optional component.
• Ask the customer whether the Storage System is operable via a LAN. If not, obtain customer
ʼ
s
permission to operate the Storage System via a LAN.
4. Promote mutual understanding with the user about the possibility of a system down in order to minimize
damage caused by failures.