Setting The System Option Modes; Configuring The Fibre Channel Ports - HP XP7 Configuration Manual

Table 17 Host group modes (options) Solaris
Host
Group
Mode Function
2 Veritas DBE+RAC Database
Edition/Advanced Cluster for Real Application
Clusters or if Veritas Cluster Server 4.0 or
later with I/O fencing function is used.
7 Reporting Unit Attention when adding LUN
13 SIM report at link failure
Select HMO 13 to enable SIM notification
when the number of link failures detected
between ports exceeds the threshold.
22 Veritas Cluster Server
When a reserved volume receives a Mode
Sense command from a node that is not
reserving this volume, the host will receive the
following responses from the storage system:
ON: Normal response
OFF (default): Reservation Conflict
NOTE:
CAUTION:
configured is disruptive and requires the server to be rebooted.

Setting the system option modes

The HP service representative sets the system option mode(s) based on the operating system and
software configuration of the host. Notify your HP representative if you install storage agnostic
software (such as backup or cluster software) that might require specific settings.

Configuring the Fibre Channel ports

Configure the disk array Fibre Channel ports by using XP7 Command View Advanced Edition
Software or the XP7 Remote Web Console (shown). Select the settings for each port based on your
SAN topology. Use switch zoning if you connect different types of hosts to the array through the
same switch.
70 Solaris
When HMO 22 is ON, the volume status
(reserved/non-reserved) will be checked
more frequently (several tens of msec per
LU).
When HMO 22 is ON, the host OS will
not receive warning messages when a
Mode Select command is issued to a
reserved volume.
There is no impact on the Veritas Cluster
Server software when HMO 22 is OFF.
Set HMO 22 to ON when the software is
experiencing numerous reservation
conflicts.
Set HMO 22 to ON when Veritas Cluster
Server is connected.
Changing host group modes for ports where servers are already installed and
Default Comments
Inactive Previously MODE186
Do not apply this option to
Oracle Cluster.
Inactive Previously MODE249
Inactive Optional This mode is
common to all host
platforms.
OFF
NOTE: Note:HMO 22
can be changed while the
host is online. However
I/O activity may be
affected when it is being
changed. It is
recommended to stop the
host IO on the port where
you want to change the
HMO 22 setting.