Compaq 295242-B21 Storage Area Network Configurations for RA8000/ESA12000 on W
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- Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 1
application notes listed in Table 3. Enterprise Network Storage Architecture (ENSA) The Compaq Enterprise Network Storage Architecture is key to supporting Compaq's NonStop eBusiness strategy; through ENSA, Compaq leverages industry standards to allow deployment of storage where applications need - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 2
data centers. An easy-to-deploy, flexible solution for open systems, the RA8000 supports up to 2.6 TB of storage. The ESA12000 FC, designed for the data center the RA8000 or ESA12000 FC storage system can be configured using Compaq's Secure Path for Windows NT. This configuration provides two - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 3
software manages and automates the backup-and-restore process using Compaq servers, disk arrays, tape libraries and FC interconnect overlapping depending on the desired access control. Use of Zoning is supported in both homogeneous Windows NT SAN configurations and heterogeneous mixed platform - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 4
SAN Configurations for RA8000/ESA12000 on Windows NT - Intel those that are allowed access. Additionally, SSP allows the setting of host modes and LUN offsets for each HBA connected to the array. The host mode is specially tailored to the storage communication techniques of the operating system. The - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 5
disk storage connectivity rules, Enterprise Backup integration rules and Compaq Secure Path for Windows NT rules. The configuration switch Fabric, consider implementing multiple 4-switch Fabrics (future releases will support inter-connection of multiple Fabrics into a single Fabric to provide - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 6
. Fabric Rules • Up to 4 fibre channel switches total in a single Fabric - a SAN with all switches interconnected. All Compaq FC 16-port and 8-port switch models are supported inter-mixed • A server can attach to multiple multi-switch Fabrics (Figure 1). The number of separate Fabrics per server or - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 7
mixed platform SAN. Table 2 Guidelines for Windows NT Intel Platform Supported Maximums Maximum Supported Number of: Host Bus Adapters per Server (1) Active Controller Host Ports (HBA Targets) per HBA(2) LUNs per HBA Target(3) HBAs per Server per Switch Zone (4) Active Servers per Storage - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 8
Windows NT - Intel • Each active controller host port presents one SCSI Target ID with up to eight LUNs to each server (FC HBA) that Enterprise Backup Solution Integration Rules • Supports Legato NetWorker backup for up to 7 Windows NT or Tru64 UNIX Servers • Supports all Compaq FC 16-port and 8-port - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 9
1 TL895 library • Up to 7 tape drives • Maximum of 1 switch hop between servers and a tape controller • Supports backup for up to 2 RA8000 or 1 ESA12000 (4 controller pairs) storage systems Compaq Secure Path for Windows NT Rules • All High Availability Multiple-Bus Failover configurations require - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 10
limits listed or the platform limits in Table 2 for each configuration. All configurations support a mix of both clustered and non-clustered (MSCS) servers. All configurations are supported with all Compaq supplied 16-port and 8-port FC switches. Table 3 RA8000 / ESA12000 SAN Fabric Configurations - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 11
Application Note SAN Fabric Configuration 1 - One FC Switch, Controller Transparent Failover Mode, Integrated EBS SAN Fabric Configuration 1 (Figure 2) is a general-purpose configuration that provides connectivity for multiple servers, disk storage, and tape storage all on a single SAN. Up to 12 - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 12
3 Standby) and 2 Servers [8 - 2 server ports = 6 storage ports] • All HSG80 array controllers configured in Transparent Failover Mode • EBS Integration Supported SAN Configuration 1 Fabric Rules • Total Switches = 1, 16-port or 8-port • Maximum Switch Hops (nominal) = 0 • Maximum Switch Hops (worst - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 13
utilizes the high availability features of controller MultipleBus failover and Compaq Secure Path for Windows NT software. With 2 FC HBAs NonHA configured servers and storage configured in Transparent Failover Mode are supported in this configuration, however access may be limited to one - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 14
servers, controllers are configured in Transparent Failover Mode • EBS Integration Supported SAN Configuration 2 Fabric Rules • Total Switches = 2, 16-port Fabric rules for other cable types SAN Configuration 2 Notes • Uses Compaq Secure Path for Windows NT (minimum version 2.2) • When configured - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 15
Application Note SAN Fabric Configuration 3 - Two FC Switches, Cascaded, Controller Transparent Failover Mode, Integrated EBS SAN Fabric configuration 3 (Figure 4) is a general purpose single Fabric cascaded switch configuration that provides increased server, disk, and tape storage connectivity - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 16
] Maximum of 4 active controller host ports per FC HBA • All HSG80 array controllers configured in Transparent Failover Mode • EBS Integration Supported SAN Configuration 3 Fabric Rules • Total Switches = 2, 16-port or 8-port • Maximum Switch Hops (nominal ) = 1 • Maximum Switch Hops (worst case - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 17
utilizes the high availability features of controller MultipleBus failover and Compaq Secure Path for Windows NT software. With 2 FC HBA Non-HA configured servers and storage configured in Transparent Failover Mode are supported in this configuration, however access may be limited to one or - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 18
non-HA) controllers are configured in Transparent Failover Mode • EBS Integration Supported SAN Configuration 4 Fabric Rules • Total Switches = 4, 16-port within a path must have a unique domain number (Domain_ID) • Uses Compaq Secure Path for Windows NT (minimum version 2.2) • One instance of the - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 19
Application Note • FC switch Zoning to create separate Zones for each of the server groups that you wish to configure with specific storage systems. • When configured with greater than 4 Windows NT Servers per active controller host port, classified as an "NT Extended Configuration" (refer to the - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 20
SAN Configurations for RA8000/ESA12000 on Windows NT - Intel SAN Fabric Configuration 5 - Three FC Switches, Cascaded Meshed Fabric, Controller Transparent Failover Mode SAN Fabric configuration 5 (Figure 6) is a meshed Fabric cascaded switch configuration that provides increased server, disk, and - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 21
Application Note • 16-port FC Switches, total number of switch ports available for Servers and Storage is 42 Maximum Server Connectivity, Up to 30 Servers and 3 Storage Systems (12 storage ports/6 Active, 6 Standby) [48 - 6 ISL ports - 12 storage ports = 30 server ports] Maximum of 16 servers - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 22
SAN Configurations for RA8000/ESA12000 on Windows NT - Intel For high bandwidth applications - One ISL between switches for every 2 storage controller ports on one switch being accessed by a server on the other switch. For high throughput applications - One ISL between switches for every 6 storage - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 23
Application Note SAN Fabric Configuration 6 - Four FC Switches, Cascaded Meshed Fabric, Controller Transparent Failover Mode SAN Fabric configuration 6 (Figure 7) is a meshed Fabric cascaded switch configuration that provides the maximum server and storage connectivity available in a single Fabric. - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 24
Mode NOTE High availability storage using Secure Path for Windows NT and Controller Multiple-bus Failover Mode is currently not supported in this configuration. SAN Configuration 6 Fabric Rules • Total Switches = 4, 16-port or 8-port • Maximum Switch Hops (nominal ) = 1 • Maximum Switch Hops - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 25
Application Note • storage system. (See Windows NT Server/Storage Rules). This situation can be avoided by using FC switch Zoning to create separate Zones for each of the server groups that you wish to configure with specific storage systems. • Performance considerations, assuming relatively equal - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 26
ESA12000 on Windows NT - Intel Parts List • Intel Servers with Microsoft Windows NT 4.0, Service Pack 4 (minimum) Compaq Part # Description 380551-001 RA8000/ESA12000 FC Solution Software V8.5 for Windows NT/Intel 128697-B21 ACS V8.5F Controller SW 380594-001 Secure Path for WNT 380574-001 - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 27
partitioning capabilities. In addition, ACS manages host interconnect and protocol services to provide data for event notification and status such as Window for the HSG80 controller supports the Array Controller Software (ACS) V8.5 and offers integration with Compaq's Insight Manager(CIM). Insight - Compaq 295242-B21 | Storage Area Network Configurations for RA8000/ESA12000 on W - Page 28
Reference Guide EK-HSG85-RG or 165145-001 HSG80 Array Controller Maintenance HSG80 Array Controller ACS Version 8.5 Maintenance and Service Guide EK- X/Open Company, Ltd. Compaq, StorageWorks, HSG, Compaq Tru64 UNIX, and the Compaq Logo are trademarks of Compaq Computer Corporation. All other
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Copyright © 1999, Compaq Computer Corporation
AA–RHH6B–TE
Printed in U.S.A.
Page 1
All Rights Reserved
Storage Area Network
Configurations for
RA8000/ESA12000 on
Windows NT – Intel
Application Note
AA-RHH6B-TE
Visit Our Web Site for the Latest Information
At Compaq we are continually making additions to our storage solutions product line. Please check
our web site for more information on the complete line of Fibre Channel storage products, product
certification, technical information, updates to this document, and other available documentation.
This information can be accessed through our web page at:
www.compaq.com/storageworks
Introduction
This application note describes fibre channel switch based Storage Area Network (SAN)
configurations for RA8000/ESA12000 storage systems on Windows NT Intel platforms. For mixed
platform heterogeneous SAN configurations refer to the "Heterogeneous Storage Area Networks"
application note, and the applicable platform specific application notes listed in Table 3.
Enterprise Network Storage Architecture (ENSA)
The Compaq Enterprise Network Storage Architecture is key to supporting Compaq’s NonStop
eBusiness strategy; through ENSA, Compaq leverages industry standards to allow deployment of
storage where applications need it. ENSA uses the Compaq StorageWorks product family to deliver
the storage solutions that address non-stop computing requirements like availability, reliability,
performance, scalability, manageability, and data backup/restore capabilities. ENSA addresses the
storage issues that our customers expect to face now and in the future. Compaq SANs address today’s
issues including:
•
Data protection
•
High availability
•
Increased distance
•
High connectivity
•
High bandwidth
•
Multi-vendor platform support
•
Enterprise backup support
•
Economical capacity growth
•
Scalability
•
Investment protection
With the addition of multi-switch fibre channel Fabric support in the RA8000/ESA12000 FC storage
products and the integration of Enterprise Backup Solutions into the SAN, Compaq has taken the next
evolutionary step in delivery of the ENSA vision. Our customers can now realize the full benefits of a
scalable Storage Area Network providing the robust backbone needed to address dispersed server
operation with shared storage access and backup across the enterprise.