HP 1500 cs Installation
Storageworks modular smart array
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HP StorageWorks
Modular Smart Array
1000/1500 cs
Basic Multipathing
Copyright 2004 Hewlett-Packard Development Company, L.P.
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HP StorageWorks Modular Smart Array
Basic Multipathing Installation Instructions
First Edition (November 2004)
Part Number: 379632-001
Installation
Instructions
379632- 001
About this Document
This document provides overview and installation information
about the basic multipathing options supported by the Modular
Smart Array 1000 and Modular Smart Array 1500 cs storage
devices.
Overview
In a multipathing environment, redundant hardware provides
more than one path to the storage. This high availability solution
provides fault tolerance against a single point of failure caused by
a hardware component. Redundant hardware must include two
separate Fibre Channel paths, including two servers, two HBAs
in each server, two switches, two MSA I/O modules, two MSA
controllers, and the duplicate cables needed to connect these
devices.
Several multipathing failover options are supported for use with
the MSA1000/MSA1500 cs, including the basic options and the
advanced support delivered with the optional purchase of HP
StorageWorks Secure Path multipathing software.
Basic multipathing failover benefits include:
No additional cost
Simple update to the operating system/HBA driver
Automatic failover
Notification and status messages automatically written to
system event logs and the MSA controller LCD display
The basic failover methods work best in relatively simple
multipath environments; complex multipath environments may
benefit from a more advanced solution, such as that provided by
Secure Path.
For environments already using Secure Path, no action is
required. There is no need to convert to this more basic level of
failover management.
Note:
In addition to the multipathing information included in this
document, refer to information available under the keyword "MPIO"
on the Microsoft web site: http://www.microsoft.com.
Prerequisites
Basic multipathing solutions can not co-exist with any other
multipathing solution, such as Secure Path or AutoPath.
If other failover methods are currently installed in your
environment, HP recommends making no change, and to
continue using that method.
If you choose to migrate to the basic failover method, you
must first un-install all other multipathing software from your
servers.
The MSA must be installed in a supported environment, as
detailed in the MSA Compatibility Guide and QuickSpecs.
Review these documents on the MSA web sites:
http://www.hp.com/go/msa1000
MSA1000
http://www.hp.com/go/msa1500cs
MSA1500 cs
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Summary of Contents for HP 1500 cs
- Page 1 About this Document Installation This document provides overview and installation information about the basic multipathing options supported by the Modular Smart Array 1000 and Modular Smart Array 1500 cs storage Instructions devices. Overview HP StorageWorks In a multipathing environment, redundant hardware provides more than one path to the storage.
- Page 2 ServiceGuard All supported Components (and installation instructions) described in this section number of 2000: 2 configurations are obtained from links provided in MSA web sites. nodes in a http://www.hp.com/go/msa1000 MSA1000 web site: Widows LifeKeeper: 6 cluster 2003: 4 nodes http://www.hp.com/go/msa1500cs...
- Page 3 Monitoring system status 5. Obtain the Device Specific Module (DSM) from the link on the Software, Firmware & Drivers page of the MSA web site and install it on the servers. (The DSM provides support for In addition to system status information, the following tools MPIO on the MSA.) provide notification of failover events.
- Page 4 HBAs. 2. From the server, select Start > Settings > Control Panel. 3. Select Add/Remove Programs. 4. Select HP Modular Smart Array Multi Path Software, click Remove, and then follow any onscreen instructions. 5. Restart the server. 6. Repeat these steps on each server with access to the MSA.