3
Chapter 1: Overview and Planning
Topics:
Overview – of this process guide
What You Need – before starting the gateway pairing process
Planning – and decisions before starting the paring process
Overview
This process guide will instruct you on how to correctly configure a redundant pair of VMA SAN
Gateways which is used for highly available data access to one or two VMA Arrays dually connected
to the gateways.
Read through the entire process described in this document along with all component, firmware and
software requirements so you are familiar with what preparations are required and when each step
will be performed. Note that performing steps out of sequence may cause configuration and
supportability issues.
What you Need
Before beginning the process of connecting and deploying a redundant pair of two VMA SAN
Gateways with up to two VMA arrays connected to the gateway pair, ensure you have all the
required components, parts, software and firmware required for the process.
For establishing a redundant pair of VMA SAN Gateways you will need:
• Two VMA SAN Gateways (DL380 G7 P/N AM465A or DL380 Gen8 P/N A0R65A). For the
current maximum of two connected VMA Arrays to the gateway pair, the default number of
FC ports (four – two dual port 8Gb FC HBAs) in each of the VMA SAN Gateways will have
enough throughput capacity to reach the maximum throughput of two connected VMA
Arrays.
• Up to two VMA Arrays, VMA3205 (P/N AM456A) or VMA3210 (P/N AM457A). Can use two
of the same or a mix of different models of arrays. Arrays must have been previously
formatted with A3.7.3 firmware and any existing containers on the array must have been
initialized with gateway software version G5.0.2 in order to support redundant pair gateway
connections. If the array(s) were formatted with a prior version of array firmware or any
containers on the arrays were initialized with a prior version of gateway software, then data
on the arrays should be backed up and the array media reformatted. This will cause loss of
container configuration and data on the array. The reformatted arrays can be connected and
containers on the array initialized at the appropriate time in the pairing process below.
• Two VMA PCIe Pass Thru cards per VMA Array (P/N AM464A). If you are connecting two
VMA Arrays to a redundant pair of VMA SAN Gateways, you will need a total of four PCIe
pass thru cards. If you have an existing configuration, you can use the pass thru cards that
you already have in use and only order the additional PCIe Pass Thru cards needed.
• Two PCIe cables per VMA Array (AM463A). One PCIe cable is shipped with each VMA Array
from the factory. A second PCIe cable will need to be ordered for each VMA Array to be
connected.
• Two supported HP Fibre Channel SAN Switches supporting 8Gb FC ports, HP B-series, C-
series and H-series SAN switches, will need to be provided. These SAN Switches will be used
to provide connectivity from the connected host servers to the redundant pair of VMA SAN
Gateways just as you would for redundant controllers on any storage array.
(178 pages)
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