Fujitsu Eternus DX200F, User Manual

Page: 675 / 1082

Appendix A Parameter List
A.1 System Management
ETERNUS Web GUI User’s Guide (Settings)
Copyright 2015 FUJITSU LIMITED P2X0-1270-13ENZ0
675
●
Setup Host
• Load Balance
• Reject INQUIRY from Unauthorized Host
• Optimize for Advanced Format SSD
Description Set whether to enable or disable the load balance for the ETERNUS DX.
The Load Balance function delays execution for newly received commands when the
command execution time in the ETERNUS DX exceeds the specific value. Select "Enable"
to respond with the sense that is specified in the "Load Balance Response" field of the
host response setting.
Input condition/
Display contents
•
Enable
•
Disable
•
When connecting the ETERNUS DX and HP-UX hosts, disable the Load Balance setting. If the "Load Balance"
checkbox is selected (enabled), incorrect logs may be recorded in the host.
•
Load balancing by Multipath Driver is operated regardless of whether the "Load Balance" of this function is
enabled/disabled.
Description Select whether to reject the "Inquiry" command from an unauthorized host.
Select the "Enable" checkbox to reject.
When the "Inquiry" command is rejected, ETERNUS DX returns an Affinity Error (5/25/81)
for the "Inquiry" command from the unauthorized host. When the command is not
rejected, the ETERNUS DX responds normally.
Input condition/
Display contents
•
Enable
•
Disable
When using the VERITAS Volume Manager Dynamic Multipathing (VxVM DMP), select "Enable". When VxVM DMP is
not used, the setting of this parameter does not affect the state of the ETERNUS DX.
Description Select whether to perform a 4K byte alignment access from the host (host access that is
aligned to 4K byte) to the volumes in RAID groups or TPPs configured with SSDs or SSD
SEDs.
Select "Enable" to perform a 4K byte alignment access.
Input condition/
Display contents
•
Enable
•
Disable
Even when the ETERNUS DX firmware is upgraded to V10L30 or later, changing the default setting ("Disable") is not
required as long as there is no problem for SSD and SSD SED read/write performance.