Mode
Category
Description
Default
MCU/RCU
701
Universal
Volume
Manager
Issues the Read command at the logical unit
discovery operation using UVM.
Mode 701 = ON:
The Read command is issued at the
logical unit discovery operation.
Mode 701 = OFF (default):
The Read command is
not issued at the logical unit discovery operation.
Notes:
1.
When the external storage is USP/NSC and the
Open LDEV Guard attribute (VMA) is
defined
on
an external device, set this SOM to ON.
2.
As the VMA information is USP/NSC
specific,
this
SOM does not need to be ON when the external
storage is other thanUSP/NSC.
3.
When this SOM is set to ON, it takes longer time
to complete the logical unit discovery. The
amount of time depends on external storages.
4.
With this SOM OFF, if searching for external
devices with VMA ia set, the VMA information
cannot be read.
5.
When this SOM is set to ON while the following
conditions are met, the external volume is
blocked:
■
An external volume to which Nondisruptive
migration (NDM) attribute is set exists.
■
The external volume is reserved by the host
6.
Set this SOM to OFF when the following
conditions are met:
■
An external volume to which Nondisruptive
migration (NDM) attribute is set exists.
OFF
-
System option modes
Appendix B: System option modes
System Administrator Guide for VSP Gx00 models and VSP Fx00 models
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Содержание Virtual Storage Platform F400
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