3PAR InForm OS 2.3.1 Upgrade Pre-Planning Guide

Release 2.3.1 Upgrade Pre-Planning Guide InForm OS Version 2.3.1

Once that InServ Storage Server is running InForm OS 2.3.1 it is recommended that the Host

Persona for some of the hosts be changed. SeeTable 2 below.

 To change the Host Persona on a host:

Table 2. Host Persona Details Table

Operating System

Persona

when

migrated

to 2.3.1

Change

Persona

Notes

Red Hat 4 and 5, SUSE 10

and 11 - Fibre channel and

iSCSI (Except SUSE 11 iSCSI,

which should be left at

Persona 6)

6 1

Use of Generic persona allows the Host

server to run “Host Explorer” on the

host. It will automatically create LUN 254

as a SCSI Enclosure device for Host

Explorer use purpose.

W2k3 including iSCSI 6 1

Solaris including iSCSI 6 1

W2k8 SP1 and SP2

including iSCSI

6 2 Enabling Host Persona 2 will enabled A/

A multipath on LUNs by default – This

change will require a reboot. DO NOT

change the Host Persona unless you can

reboot the W2k8 server. If you do not

reboot the server, the host will lose the

mapping of the LUNs.

W2k8 R2 including iSCSI 6 1 Microsoft enables A/A multipathing by

default at Windows 2008 R2

VMware (3.5, 4.0) 6 6 For VMware 4.0 only change the SATP

rules on host to enable Active/Active

Round Robin by default. Refer to the ESX

IG for instruction of how to change the

ESX 4.0 SATP rules.

cli% sethost –persona <persona _number> <host_name>