Set Subsystem-Parameters - Fujitsu ETERNUS DX80 S2 Cli User's Manual

Chapter 5 Information Settings and Display
5.4 Utility > set subsystem-parameters

set subsystem-parameters

This command sets up the storage unit subsystem parameters.
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Syntax
set subsystem-parameters [-load-balance {enable | disable}]
[-reject-inquiry {enable | disable}]
[-tp-alloc-mode {tpp-balancing | tpv-balancing}]
[-enforce-checkcode {enable | disable} ]
[-io-offloading { enable|disable } ]
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Parameter
-load-balance
-reject-inquiry
-tp-alloc-mode
Optional. This parameter specifies if the controlling load balance of the system is enabled. This
function will allow the system to return sense information to the host even if the I/O traffic for
the overall system is overloaded. If omitted, the existing setting is not changed. The initial
value is set to "enable".
Disable the load balance when the ETERNUS DX Disk storage system is connected to hosts that
are running HP-UX. If the load balance is enabled, incorrect logs may be recorded in the host.
enable Load balance control is enabled.
disable Load balance control is disabled.
Optional. This parameter specifies whether an INQUIRY command that is issued from an
unauthorized host is rejected. Enable this parameter when VERITAS Volume Manager Dynamic
Multi-Pathing (VxVM DMP) is used. If omitted, the existing settings are not changed. The
default value is disabled.
enable An Affinity Error is returned for an INQUIRY command that is issued from an
unauthorized host.
disable A normal response is returned for an INQUIRY command that is issued from an
unauthorized host.
Optional. This parameter specifies how to allocate the physical drive area when a write process
is performed for an area in a Thin Provisioning volume to which physical drive area is not
allocated.
tpp-balancing
The physical drive area is allocated so that each TPP is evenly used.
tpv-balancing
The physical drive area is allocated so that the physical drive area for a TPV is
evenly allocated to each RAID group in the TPP.
ETERNUS CLI User's Guide
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