HP StorageWorks 8000 - NAS Installation And User Manual
V 1.6.0 - hp storageworks nas data path manager - installation and user's guide
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Also See for StorageWorks 8000 - NAS:
- User manual (268 pages) ,
- Command reference manual (88 pages) ,
- Overview (59 pages)
Related Manuals for HP StorageWorks 8000 - NAS
Summary of Contents for HP StorageWorks 8000 - NAS
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Page 1: Nas Data Path Manager
installation and user’s guide hp StorageWorks NAS Data Path Manager installation and user’s guide Edition: March 2003 Part Number: A7423-96001... - Page 2 © Hewlett-Packard Company, 2003. Hewlett-Packard Company makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Hewlett-Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material.
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Page 3: Table Of Contents
contents Contents About this Guide........... .5 Intended Audience . - Page 4 Contents Edit Selected Volume Group......... . . 24 Delete Selected Volume Group .
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Page 5: About This Guide
about this guide About this Guide This installation and user’s guide provides information to help you: Install NAS Data Path Manager software on your HP StorageWorks NAS About this Guide 8000 system. Understand data path management concepts. Monitor and manage data paths on your NAS 8000. Reinstall and reconfigure NAS Data Path Manager after system Disaster Recovery. -
Page 6: Document Conventions
About this Guide Document Conventions This document uses the following formatting conventions included in Table Table 1: Document Conventions Element Convention Cross-reference links Blue text: Figure 1 Key and field names, menu items, Bold buttons, and dialog box titles File names, application names, and text Italics emphasis User input, command and directory... -
Page 7: Hp Storage Website
About this Guide Product model names and numbers Applicable error messages Operating system type and revision level (from Command View NAS Identity page) Detailed, specific questions HP Storage Website The HP website has the latest information on this product, as well as the latest drivers. - Page 8 About this Guide hp StorageWorks NAS Data Path Manager Installation and User’s Guide...
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Page 9: Nas Data Path Manager
NAS Data Path Manager Product Overview HP StorageWorks NAS Data Path Manager is an optional software product you can purchase for the HP StorageWorks NAS 8000. It provides automatic path load balancing and failover for NAS 8000 servers configured with multiple host bus adapters (HBAs). -
Page 10: Graphical User Interface
NAS Data Path Manager Note: Data Path Failover and failover packages are different NAS 8000 features. Data Path Failover is the ability of your system to use alternate fibre-channel paths to get information to your storage in case all of the preferred paths fail. Data Path Failover can be installed and used on any NAS 8000 (version 1.6.0 or later) high availability (HA) or non-HA system, with the correct firmware revision. -
Page 11: Product Components
NAS Data Path Manager Product Components The NAS Data Path Manager product includes: HP NAS Data Path Manager Installation and User’s Guide NAS Data Path Manager Software CD Software License Agreement Note: This guide is also on the NAS 8000 Documentation CD in PDF format. Guide Overview This guide contains the following sections: Section... -
Page 12: Data Path Concepts
NAS Data Path Manager Data Path Concepts Data paths exist wherever there are physical connections from an initiator (a NAS server HBA) to a target (an array controller). Data Path Manager manages traffic patterns among all available paths between the NAS server HBAs and the LUNs in your arrays. -
Page 13: Data Path Load Balancing
NAS Data Path Manager As a general rule, when a non-optimal path is used, the request is going from one HBA through a controller that communicates with the controller of the target LUN. Therefore, the data request goes through two controllers to get to the specific LUN, instead of just one. -
Page 14: Data Path Failover
NAS Data Path Manager Data Path Failover Data path failover occurs when all designated preferred paths fail between the NAS server and its storage device. NAS Data Path Manager splits data transfers among “good” (non-failed) preferred paths in a least-used pattern, as long as there are functioning preferred paths. -
Page 15: Install Nas Data Path Manager
NAS Data Path Manager Install NAS Data Path Manager Prerequisites System Requirements on page 10. Install the Software Use the NAS Data Path Manager software CD and the command line interface to install NAS Data Path Manager. 1. On the NAS 8000 server, insert the CD into the server’s CD-ROM drive. 2. - Page 16 NAS Data Path Manager 4. Select Actions > Enable/Disable Application. 5. Click OK. The sample configuration, below, shows a multi-server, multi-array system using NAS Data Path Manager. Recommended connections from the fibre channel switches to the arrays are represented by solid lines; optional connections are represented by dashed lines.
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Page 17: Monitor Data Paths
NAS Data Path Manager Monitor Data Paths Check path configuration and performance using several methods. Use Performance Monitor to Monitor HBAs View Volume Groups for Path Information These topics are discussed in detail below. Use Performance Monitor to Monitor HBAs Use HP NAS 8000 Performance Monitor to: View and Change Performance Monitor Settings. - Page 18 NAS Data Path Manager Figure 3: Performance Monitor window 1 . Performance Monitor Menu Bar 2 . Metric Actions Toolbar 3 . Enable/Disable Monitor 4 . Open Chart for Selected Item 5 . Clear Monitor History on Server Figure 4: Performance Monitor Window Menu, Metric Actions Toolbar, and Icons 3.
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Page 19: Observe Data Path Performance
NAS Data Path Manager You can also access the Performance Monitor Settings dialog box to change the settings by either of the following methods. From Command View NAS, select Configuration > Alerts/Logging > Performance Monitor Settings, then Actions > Edit Performance Monitor Settings to view and change the monitoring settings. - Page 20 NAS Data Path Manager Note: Since Performance Monitor runs in a separate window, you can keep it open while you are making changes to your data path settings in Command View NAS, so you can view the impact of a change without exiting the path management session. You can view each chart in two modes;...
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Page 21: View Volume Groups For Path Information
NAS Data Path Manager View Volume Groups for Path Information The View Volume Groups window allows you to manage the relationship between system LUNs and volume groups to improve performance. You can: View Volume Group Information in Tree View Create a New Volume Group Edit Selected Volume Group Delete Selected Volume Group Test Selected Path... - Page 22 NAS Data Path Manager In the tree view, the volume groups are listed alphabetically by name unless you are on an HA system. On an HA system, the tree view displays package names first (listed alphabetically), then all volume groups that are not associated with a package.
- Page 23 NAS Data Path Manager The relationship between the path modes and states provides you with important status information in a simplified way. Some of this information is self-explanatory; other mode/state combinations require explanation. The following table explains these relationships. Table 2: Path Modes and States Explained Situation Mode State...
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Page 24: Create A New Volume Group
NAS Data Path Manager Create a New Volume Group To create a new volume group: 1. In Command View NAS, click the Storage tab. 2. Navigate to Volume Groups. 3. Select Actions > Create New Volume Group to bring up the Create New Volume Group dialog box. -
Page 25: Delete Selected Volume Group
NAS Data Path Manager Delete Selected Volume Group To delete a volume group: 1. In Command View NAS, select the Storage tab, then select Volume Groups. Use either the Table or Tree view for this action. 2. Select the volume group to delete. 3. -
Page 26: Reset Lun Paths To Factory Settings
NAS Data Path Manager To repair a volume group: 1. From the Storage tab, select Volume Groups. 2. Select the tree view. 3. Select the volume group to repair. 4. Select Actions. — In a dedicated attach configuration, select Repair Volume Group. —... -
Page 27: Decide Whether To Manage The Data Paths
NAS Data Path Manager The volume groups are listed alphabetically by volume group name. In this view, you can create, edit, and delete volume groups; reset the LUN paths to factory settings; and refresh the view. Figure 8: Viewing volume groups Decide Whether to Manage the Data Paths If each of your HBAs is using less than half of its capacity or if your HBAs bear about the same amount of traffic, it is best to continue using the default settings. -
Page 28: Manage The Data Paths
NAS Data Path Manager Manage the Data Paths NAS Data Path Manager needs very little attention to function properly. However, to customize your paths to better meet your network and data transfer requirements, you will want or need to take action. These actions include: Add Hardware Remove Hardware Optimize Path Performance... -
Page 29: Assign A Lun To A Storage Array
NAS Data Path Manager To scan for new hardware from Command View NAS: 1. Select the Storage tab. 2. Select Storage Array Summary. 3. Select Action > Scan for New Storage. Assign a LUN to a storage array 1. From the Storage tab, select Storage Array Summary. 2. -
Page 30: Add Hardware
NAS Data Path Manager 4. Click the Mode box of the path you wish to change. 5. Select the desired mode for the path (alternate or preferred) from the available options that appear, then click OK. Add Hardware After adding arrays or LUNs to your system, you can configure the paths to them. The recommended progression is as follows. -
Page 31: Optimize Path Performance
NAS Data Path Manager Optimize Path Performance To improve network traffic across the paths, the most effective changes are to either change preferred paths to alternate, or change alternate paths to preferred. 1. For each LUN involved, select it, then make changes as described at Learn to Perform Basic Data Path Manager Tasks page... - Page 32 NAS Data Path Manager For alternate (and preferred) paths, you can test a specific path from the Volume Groups summary page. From the Storage tab, select Volume Groups. Click on the path you wish to test, then either right-click the path or select Actions.
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Page 33: Restore To Default Settings
NAS Data Path Manager Restore to Default Settings If you have customized your preferred and alternate paths, but are not satisfied with the results, you can reset your data path management settings to the default settings at the volume group level. To reset volume group paths to default settings: 1. - Page 34 NAS Data Path Manager hp StorageWorks NAS Data Path Manager Installation and User’s Guide...
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Page 35: A Text Api Commands For Nas Data Path Manager
Text API Commands for NAS Data Path Manager The text API commands documented here allow you to install NAS Data Path Manager, enable and disable the software package, reactivate volume groups, and restore data paths back to factory default settings. To perform other DPM functions, use the graphical user interface. - Page 36 Text API Commands for NAS Data Path Manager startClusterPackage On an HA system, use after stopClusterPackage to put volume group changes into effect. inParam[ ]= Cluster package name hp StorageWorks NAS Data Path Manager Installation ad User’s Guide...
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Page 37: Glossary
glossary Glossary This glossary defines terms used in this guide or related to this product and is not a comprehensive glossary of computer terms. Glossary Active state A state in which a path is currently designated as a preferred or alternate path for data path management. - Page 38 Glossary High Availability (HA) HA systems are designed to avoid a loss of service during both planned and unplanned downtime. An HA system is based on clusters that have two NAS servers, a Quorum server, and storage that may come from either a dedicated storage configuration or a SAN. The NAS servers share access to the storage and provide failover capabilities for each other, but function as independent servers.
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Page 39: Index
index disable 14, disaster recovery allocate space disrupt 25, alternate 9, 14, 23, 29, 30, 31, document arrays 9, 12, 29, conventions assign a LUN prerequisites audience related documentation authorized reseller, HP automatic edit volume group enable 15, change error CIFS CIFS connection event... - Page 40 Index failure optimal 9, 30, optimize remove scan for help, obtaining password path authorized reseller behavior storage website customize technical support edit information 21, initiator 21, initiator mode install 9, 10, repair state 21, 23, target 21, test limit, devices performance 30, load balancing 9, policy...
- Page 41 Index storage 9, 10, system requirements volume group system status create new delete edit target information 21, technical support, HP Test Selected Path 23, 25, traffic websites troubleshooting HP storage world wide name 21, hp StorageWorks NAS Data Path Manager Installation and User’s Guide...
- Page 42 Index hp StorageWorks NAS Data Path Manager Installation and User’s Guide...