HP StorageWorks XP12000 HP StorageWorks XP Disk Array Configuration Guide: IBM - Page 11

The following host group mode is available for AIX, XP Disk Array Configuration Guide for IBM AIX

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The following host group mode is available for AIX: Table 1 Host group mode (option) Host Group Mode Function Default Veritas Storage Foundation for Oracle RAC, DBE+RAC Database Edition/Advanced 2 Cluster for Real Application Clusters or if Inactive Veritas Cluster Server 4.0 or later with I/O fencing function is used. This Host Group Mode can change the response to the Host when a reserved device has received a mode sense command unrelated to the Reserve. The effects of this mode are: 1. The retry time is shortened for device recognition (several tens of ms/LU) Warning messages are prevented from 22 being generated in the OS log Inactive 2. Even if the option is not set ON, no operation error(s) are caused for Veritas Cluster Server Software Host Group Mode 22 = OFF - Reserve Conflict response Host Group Mode 22 = ON - Normal End response Comments Previously MODE186 Do not apply this option to Sun Cluster. For the RAID500 subsystems, though initially available with microcode version 50-07-66-00/00, this mode can not be set from the Remote Web Console until microcode version 50-09-37-00/02 or greater. For the RAID600 subsystems, though the mode is available from the initial release of the product, it can not be set from the Remote Web Console until microcode 60-01-68-00/00 or greater. CAUTION: Changing host group modes for ports where servers are already installed and configured is disruptive and requires the server to be rebooted. XP Disk Array Configuration Guide for IBM AIX 11

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The following host group mode is available for AIX:
Table 1 Host group mode (option)
Comments
Default
Function
Host
Group
Mode
Previously MODE186
Do not apply this option
to Sun Cluster.
Inactive
Veritas Storage Foundation for Oracle RAC,
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.
2
For the RAID500
subsystems, though
initially available with
microcode version
50-07-66-00/00, this
mode can not be set from
the Remote Web Console
until microcode version
50-09-37-00/02 or
greater.
For the RAID600
subsystems, though the
mode is available from
the initial release of the
product, it can not be set
from the Remote Web
Console until microcode
60-01-68-00/00 or
greater.
Inactive
This Host Group Mode can change the re-
sponse to the Host when a reserved device
has received a mode sense command unre-
lated to the Reserve. The effects of this mode
are:
1.
The retry time is shortened for device
recognition (several tens of ms/LU)
Warning messages are prevented from
being generated in the OS log
2.
Even if the option is not set ON, no op-
eration error(s) are caused for Veritas
Cluster Server Software
Host Group Mode 22 = OFF - Reserve
Conflict response
Host Group Mode 22 = ON - Normal End
response
22
CAUTION:
Changing host group modes for ports where servers are already installed and configured is disruptive
and requires the server to be rebooted.
XP Disk Array Configuration Guide for IBM AIX
11