HP P2000 HP P2000 G3 MSA System SMU Reference Guide - Page 45

Authentication CHAP. Enables or disables use of Challenge Handshake Authentication Protocol.

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• Hard target addressing requests a specific loop ID that should remain after a LIP or power cycle. If the port cannot acquire the specified ID, it is assigned a soft target address. Use this option if you want ports to have specific addresses, if your system checks addresses in reverse order (lowest address first), or if an application requires that specific IDs be assigned to recognize the controller. To use this option, clear Soft and enter an address in the range 0-125. You cannot set the same hard target address for both controllers. 5. Click Apply. If you changed a loop ID setting, a message specifies that you must restart the controller to make the change take effect. An asterisk indicates that the value shown will be changed. To change iSCSI host interface settings 1. In the Configuration View panel, right-click the system and select Configuration > System Settings > Host Interfaces. 2. Set the port-specific options: • IP Address. For each controller, assign one port to one subnet and the other port to a second subnet. Ensure that each iSCSI host port in the storage system is assigned a different IP address. For example, in a system having only iSCSI ports: • Controller A port 0: 10.10.10.100 • Controller A port 1: 10.11.10.120 • Controller B port 0: 10.10.10.110 • Controller B port 1: 10.11.10.130 • Netmask. IP subnet mask. The default is 255.255.255.0. • Gateway. Gateway IP address. The default is 0.0.0.0. CAUTION: Changing IP settings can cause data hosts to lose access to the storage system. 3. Set the common options: • Authentication (CHAP). Enables or disables use of Challenge Handshake Authentication Protocol. Disabled by default. • Jumbo Frames. Enables or disables support for jumbo frames. A normal frame can contain 1500 bytes whereas a jumbo frame can contain a maximum of 9000 bytes for larger data transfers. Disabled by default. NOTE: Use of jumbo frames can succeed only if jumbo-frame support is enabled on all network components in the data path. • Link Speed. • Auto: Auto-negotiates the proper speed. This is the default. • 1 Gbit/s: Forces the speed to 1 Gbit/sec, overriding a downshift that can occur during auto-negotiation with 1-Gbit/sec HBAs. This setting does not apply to 10-Gbit/sec HBAs. • iSCSI IP Version. Specifies whether IP values use Internet Protocol version 4 (IPv4) or version 6 (IPv6) format. IPv4 uses 32-bit addresses. IPv6 uses 128-bit addresses. • iSNS. Enables or disables registration with a specified Internet Storage Name Service server, which provides name-to-IP-address mapping. Disabled by default. • iSNS Address. Specifies the IP address of an iSNS server. The default address is all zeroes. • Alternate iSNS Address. Specifies the IP address of an alternate iSNS server, which can be on a different subnet. The default address is all zeroes. 4. Click Apply. HP P2000 G3 MSA System SMU Reference Guide 45

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HP P2000 G3 MSA System SMU Reference Guide
45
•
Hard target addressing requests a specific loop ID that should remain after a LIP or power cycle. If
the port cannot acquire the specified ID, it is assigned a soft target address. Use this option if you
want ports to have specific addresses, if your system checks addresses in reverse order (lowest
address first), or if an application requires that specific IDs be assigned to recognize the controller.
To use this option, clear
Soft
and enter an address in the range 0–125. You cannot set the same
hard target address for both controllers.
5.
Click
Apply
. If you changed a loop ID setting, a message specifies that you must restart the controller to
make the change take effect. An asterisk indicates that the value shown will be changed.
To change iSCSI host interface settings
1.
In the Configuration View panel, right-click the system and select
Configuration > System Settings >
Host Interfaces
.
2.
Set the port-specific options:
•
IP Address. For each controller, assign one port to one subnet and the other port to a second
subnet. Ensure that each iSCSI host port in the storage system is assigned a different IP address. For
example, in a system having only iSCSI ports:
•
Controller A port 0: 10.10.10.100
•
Controller A port 1: 10.11.10.120
•
Controller B port 0: 10.10.10.110
•
Controller B port 1: 10.11.10.130
•
Netmask. IP subnet mask. The default is 255.255.255.0.
•
Gateway. Gateway IP address. The default is 0.0.0.0.
CAUTION:
Changing IP settings can cause data hosts to lose access to the storage system.
3.
Set the common options:
•
Authentication (CHAP). Enables or disables use of Challenge Handshake Authentication Protocol.
Disabled by default.
•
Jumbo Frames. Enables or disables support for jumbo frames. A normal frame can contain 1500
bytes whereas a jumbo frame can contain a maximum of 9000 bytes for larger data transfers.
Disabled by default.
NOTE:
Use of jumbo frames can succeed only if jumbo-frame support is enabled on all network
components in the data path.
•
Link Speed.
•
Auto: Auto-negotiates the proper speed. This is the default.
•
1 Gbit/s: Forces the speed to 1 Gbit/sec, overriding a downshift that can occur during
auto-negotiation with 1-Gbit/sec HBAs. This setting does not apply to 10-Gbit/sec HBAs.
•
iSCSI IP Version. Specifies whether IP values use Internet Protocol version 4 (IPv4) or version 6 (IPv6)
format. IPv4 uses 32-bit addresses. IPv6 uses 128-bit addresses.
•
iSNS. Enables or disables registration with a specified Internet Storage Name Service server, which
provides name-to-IP-address mapping. Disabled by default.
•
iSNS Address. Specifies the IP address of an iSNS server. The default address is all zeroes.
•
Alternate iSNS Address. Specifies the IP address of an alternate iSNS server, which can be on a
different subnet. The default address is all zeroes.
4.
Click
Apply
.