HP NetServer AA 4000 HP AA HP Netserver 4000 Reference Guide - Page 70

Gathering Networking Information

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HP NetServer AA Gathering Networking Information In order to successfully configure the network cards, gather the following information: • MAC addresses • PCI Slot location • Subnet attached to / planned TCP/IP address This information will be used to configure the network cards in the Marathon Configuration Utility and the Windwos NT Network Propeties. Three Independent Networks There are three distinct network types in operation for any implementation of the HPAA Solution. The first network setup is the IOP Link or private network. Similar to a "heartbeat" network link in a clustering environment, this network is responsible for internal IOP-to-IOP communications and it also carries disk-mirroring traffic. The next network type is commonly referred to as a public rail or the redirected network. Using specific Marathon protocols this network comes in two parts, the software on the CEs and the software/hardware implementation on the IOPs. This network is used for client access. The last network type is the virtual network. To simplify maintenance and access to resources, an internal system network is created for the CEs and IOPs. This provides a mechanism for CEs to see resources exclusively provided by the IOPs and vice-versa. The network is "virtual" because it does not consist of network interface cards. The traffic is carried out by the MICs. 4-4 Hewlett-Packard Company

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HP NetServer AA
Hewlett-Packard Company
4-4
Gathering Networking Information
In order to successfully configure the network cards, gather the
following information:
•
MAC addresses
•
PCI Slot location
•
Subnet attached to / planned TCP/IP address
This information will be used to configure the network cards in the
Marathon Configuration Utility and the Windwos NT Network
Propeties.
Three Independent Networks
There are three distinct network types in operation for any
implementation of the HPAA Solution.
The first network setup is the IOP Link or private network. Similar to
a “heartbeat” network link in a clustering environment, this network
is responsible for internal IOP-to-IOP communications and it also
carries disk-mirroring traffic.
The next network type is commonly referred to as a public rail or the
redirected network.
Using specific Marathon protocols this network
comes in two parts, the software on the CEs and the
software/hardware implementation on the IOPs. This network is used
for client access.
The last network type is the virtual network.
To simplify
maintenance and access to resources, an internal system network is
created for the CEs and IOPs.
This provides a mechanism for CEs to
see resources exclusively provided by the IOPs and vice-versa.
The
network is “virtual” because it does not consist of network interface
cards.
The traffic is carried out by the MICs.