Chapter 1 System Management
1.4 System Management
ETERNUS Web GUI User’s Guide (Settings)
Copyright 2015 FUJITSU LIMITED P2X0-1270-13ENZ0
39
1.4.4 Setup Subsystem Parameters
This function specifies the subsystem parameters.
Subsystem parameters are the information which controls the ETERNUS DX operation when it is connected to
hosts. The ETERNUS DX operates according to the specified subsystem parameters, for all the hosts to be
connected.
Conditions for changing subsystem parameters
Changing parameters while accessing the host
OK: Parameters can be changed.
N/A: Parameters cannot be changed.
Server reboot
Required: The server must be rebooted after a parameter change.
–: The server does not require a reboot.
For details on the parameters for this function, refer to "A.1.3.4 Setup Subsystem Parameters" (page 672)
.
For the factory default settings for this function, refer to "Appendix B Setup Subsystem Parameters" (page
973).
The procedure to set the subsystem parameters is as follows:
1 Click [Setup Subsystem Parameters] in [Action].
• If a change to subsystem parameters is required, the recommended time is when the load is low in the
ETERNUS DX.
• Some subsystem parameters may require rebooting of the server after changes have been made. Refer to
"Conditions for changing subsystem parameters" (page 39)
for details.
Category Subsystem parameter Changing parameters
while accessing the host
Server reboot
Setup Subsystem
Parameters
Thin Provisioning
Allocation Mode
OK –
Flexible Write Through OK –
Turbo Mode OK –
Writeback Limit Count OK –
Setup Host
Load Balance OK –
Reject INQUIRY from
Unauthorized Host
OK Required
Optimize for Advanced
Format SSD
OK Required
Setup Disk Drive
Checkcode Enforcement OK –
Copybackless OK –
Web GUI Settings Function to Add Host OK –
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