HP XP Racks User Manual
Page 172
When to select this option
Host mode options
No.
When all of the following conditions are satisfied:
Set/Report Device Identifier
enable
33
•
Host mode 05 OpenVMS
2
or 08 HP is used.
•
You want to enable commands to assign a nickname of the device.
•
You want to set UUID to identify a logical volume from the host.
When you want to control the following ranges per host group when receiving
Target Reset:
Change the nexus specified in
the SCSI Target Reset
39
•
Range of job resetting.
•
Range of UAs (Unit Attentions) defined.
When all of the following conditions are satisfied:
V-VOL expansion
40
•
The host mode 0C Windows or 2C Windows Extension is used.
•
You want to automate recognition of the THP V-VOL capacity after
increasing the THP V-VOL capacity.
When you want to execute commands to recognize the device preferentially.
Prioritized device recognition
command
41
When IBM Z10 Linux is used.
Prevent "OHUB PCI retry"
42
When the command queue is full in theHP XP7 Storage connecting with the
HP-UX host, and if you want to respond Queue Full, instead of Busy, from the
storage system to the host.
Queue Full Response
43
When you want to adjust the number of buffer-to-buffer credits (BBCs) to control
the transfer data size by the fibre channel, for example when the distance
BB Credit Set Up Option1
3
49
between MCU and RCU of the Continuous Access Synchronous pair is long
(approximately 100 kilometers) and the Point-to-Point topology is used.
Use the combination of this host mode option and the host mode option 50.
When you want to adjust the number of buffer-to-buffer credits (BBCs) to control
the transfer data size by the fibre channel, for example when the distance
BB Credit Set Up Option2
3
50
between MCU and RCU of the Continuous Access Synchronous pair is long
(approximately 100 kilometers) and the Point-to-Point topology is used.
Use the combination of this host mode option and the host mode option 49.
If you want to adjust the response time of the host I/O, for example when the
distance between MCU and RCU of the Continuous Access Synchronous pair
is long (approximately 100 kilometers) and the Point-to-Point topology is used.
Round Trip Set Up Option
3, 4
51
When the VAAI (vStorage API for Array Integration) function of VMware
ESX/ESXi 4.1 is used.
Support Option for the
EXTENDED COPY command
54
When HP-UX 11.31 is used, and when you want to prevent adding or deleting
of LUN0.
LUN0 Change Guard
60
Use this Host Mode Option when 128 keys are insufficient for the host.
Expanded Persistent Reserve
Key
61
When you connect the storage system to VMware ESXi 5.0 or later and use
the VAAI function for T10.
Support Option for vStorage
APIs based on T10 standards
63
When the OPEN fibre channel port configuration applies to following:
Change of the ED_TOV value
67
•
The topology is the Fibre Channel direct connection.
•
The port type is Target or RCU Target.
When using the Page Reclamation function from the environment which is
being connected to the Linux host.
Support Page Reclamation for
Linux
68
When you want to change the unit attention (UA) from NOT READY to MEDIUM
ERROR during the pool-VOLs blockade.
Change the Unit Attention for
Blocked Pool-VOLs
71
172
Managing logical volumes