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ESX/ESXi uses the generic legacy host persona of 6 for HP 3PAR OS 3.1.1 or earlier. As of HP
3PAR OS 3.1.2, a second host persona 11 (VMware), which enables asymmetric logical unit
access (ALUA) is available. Host persona 11 (VMware) is recommended for new ESX/ESXi
installations and is required for ESX/ESXi hosts configured as part of a HP 3PAR Peer Persistence
configuration. For ESX/ESXi with HP 3PAR Remote Copy, refer to the Remote Copy Users Guide
for the appropriate host persona to use in specific Remote Copy configurations.
The following example of host definition creation depicts a VMware iSCSI initiator
iqn.1998-01.com.vmware:sqahpbc02icm5-40e25c56 on an ESX host (the only iSCSI
initiator for this server in this case) connecting through a VLAN to a pair of HP 3PAR StoreServ
Storage iSCSI ports. The host definition is given the name ESX1 and the host persona is set to 6
(Generic-legacy).
1. Issue the HP 3PAR OS CLI showhost command to verify that the host iSCSI initiators are
connected to the HP 3PAR StoreServ Storage iSCSI target ports.
# showhost
Id Name Persona ----------------WWN/iSCSI_Name---------------- Port
-- -- iqn.1998-01.com.vmware:sqahpbc02icm5-40e25c56 0:1:2
-- -- iqn.1998-01.com.vmware:sqahpbc02icm5-40e25c56 1:1:2
-- -- iqn.1998-01.com.vmware:dl360g8-02-42b20fff 0:1:2
-- -- iqn.1998-01.com.vmware:dl360g8-02-42b20fff 1:1:2
2. Issue the HP 3PAR OS CLI createhost command to create the appropriate host definition
entry.
# createhost -iscsi -persona 6 ESX1 iqn.1998-01.com.vmware:sqahpbc02icm5-40e25c56
or:
# createhost -iscsi -persona 11 ESX2 iqn.1998-01.com.vmware:dl360g8-02-42b20fff
3. Issue the HP 3PAR OS CLI showhost command to verify that the host entry has been created.
# showhost
Id Name Persona ----------------WWN/iSCSI_Name---------------- Port
0 ESX1 Generic-legacy iqn.1998-01.com.vmware:sqahpbc02icm5-40e25c56 0:1:2
iqn.1998-01.com.vmware:sqahpbc02icm5-40e25c56 1:1:2
1 ESX2 VMware iqn.1998-01.com.vmware:dl360g8-02-42b20fff 0:1:2
iqn.1998-01.com.vmware:dl360g8-02-42b20fff 1:1:2
4. To test the connection, create some temporary virtual volumes and export the VLUNs to the
host.
NOTE: See “Allocating Storage for Access by the ESX Host” (page 78) for complete details
on creating, exporting and discovering storage for an iSCSI connection.
5. On the ESX iSCSI initiator host, perform a rescan and verify that the disks have been
discovered.
Creating the iSCSI Host Definition on an HP 3PAR StoreServ Storage Running HP 3PAR
OS 2.2.x
Create a host definition that ties all of the connections from a single host to a host name. Prior to
creating a host definition using the following steps, the HP 3PAR StoreServ Storage iSCSI target
20 Configuring the HP 3PAR StoreServ Storage for iSCSI