Hewlett-Packard 2000i Reference Manual

Download Reference manual of HP 2000i Adapter, Enclosure for Free or View it Online on All-Guides.com. This version of HP 2000i Manual compatible with such list of devices, as: 2000i, 2000sa, StorageWorks 2000i - G2 Modular Smart Array, StorageWorks 2000sa - G2 Modular Smart Array

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HP StorageWorks 2000 G2 Modular Smart Array Reference Guide 37
Changing host interface settings
In order for hosts to properly access the system, you must configure the system's host-interface options.
There are options for FC and iSCSI ports but not for SAS ports.
To change FC host interface settings
1. In the Configuration View panel, right-click the system and select Configuration > System Settings >
Host Interfaces.
2. Set the speed to the proper value to communicate with the host. Speed can be set to auto, which
auto-negotiates the proper link speed with the host, or to 2Gb (Gbit per second) or 4Gb. A speed
mismatch with a host prevents that host from accessing the storage system.
3. Set the connection mode to loop or point-to-point. Loop protocol can be used in a physical loop or in a
direct physical connection between two devices. Point-to-point protocol can only be used on a direct
physical connection between exactly two devices.
4. Set the loop ID for each controller to request when the controller arbitrates during a LIP. A controller can
use soft or hard target addressing:
Soft target addressing (the default) enables a LIP to determine the loop ID. Use this setting if the loop
ID is permitted to change after a LIP or power cycle. To use this option, select Soft?.
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. For example:
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.