HP ProLiant 2500 Novell GroupWise Performance Management on Compaq Servers
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- HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 1
Operating System Tuning 0 Performance Conclusions 0 System Processor 0 Memory 0 Disk Subsystem 0 Proof of Concept of Sizing the GroupWise Server .......... 0 ECG007.0897 1... Novell GroupWise Performance Management on Compaq Servers This Compaq White Paper provides the results of a performance - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 2
of their respective companies. Compaq, ProLiant, Pentium Pro, Novell, NetWare, NetWare Directory Services, GroupWise, GroupWare, IntranetWare ©1997 Compaq Computer Corporation. All rights reserved. Printed in the U.S.A. Novell GroupWise Performance Management on Compaq Servers First Edition - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 3
COLLABORATION SERVICES The tests that Compaq performed in the Novell Superlab clearly demonstrate the overall scalability that GroupWise, IntraNetWare and Compaq servers can types, server memory quantities, and disk subsystem choices. Customers may use this data to determine which price-for- - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 4
ECG007.0897 WHITE PAPER (cont.) 4... Figure 1. GroupWise 5.2 Architecture Functionality of GroupWise 5.2 Server • Full-featured E-mail • Document management • Calendaring and scheduling • Workflow • Imaging • Remote Access • Conferencing • Paging • Forms • Voice mail integration • Faxing - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 5
as well. NDS™ (Novell Directory Services™) provides a global directory and single * and the major versions of UNIX*. It also supports popular Internet browsers and the latest Internet protocols including /server application, GroupWise uses TCP/IP to communicate between workstations and servers-a - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 6
24MB Windows 3.1 Processor: Memory: Hard Disk Space: Server Agents (available for) Services (NDS) Aware PERFORMANCE MANAGEMENT Overview Performance Management can only be successfully achieved by fully understanding the performance impact that system resources such as the system processor, memory - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 7
required as a part of performance management includes • Understanding your user requirements • Monitoring your server and network load Compaq engineers used a standard benchmark tool to examine the following GroupWise Server system resource areas: • System Processor (CPU) Performance • Memory - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 8
count was set to 12 Hardware and Software Configuration • Hardware System: Compaq ProLiant 5000 Compaq ProLiant 800 • CPU: 200 MHz Pentium Pro (1-4) • Memory: 128MB - 1GB memory • Disk: Fast SCSI-2 and 8x2.1 GB • Network: NetFlex3 (1-4) • Network OS: IntranetWare 4.11 • Application - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 9
data collected includes the following files: • The Post Office Agent Log • The STAT NLM output file • Response time Subsystem Performance Comparison This section offers guidelines for obtaining optimal value and performance from your Compaq server. These guidelines are based on tests designed by - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 10
instructions per clock cycle. • Internal register renaming supports the execution of concurrent instructions. • Speculative execution of branches is supported cache(cache memory in the CPU it self) stores the most recent data and program instructions and provides this information to the server at the - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 11
are for GroupWise and not total system memory. Factors that may cause variances in calculations and performance are: • Number of post offices and domains • Number of TCP Handlers and MF worker threads • Number of client/server connections being supported • Number of active client connections vs - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 12
Post- Pentium-Pro 200 MHz office; 500-1000 users 1000 Active users and actual Post-office; Pentium-Pro 200 MHz 1000-2500 Users Actual Server memory the volume block size to improve the performance. The Novell/Compaq test team found that setting the volume block size to 64 KB yields - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 13
block size will also save a lot of memory to load the volume; therefore, we strongly more concurrent use of system services. You can improve the from or write to the drive after the series of physical drives is united into one or when configuring the GroupWise Server and making a decision about - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 14
SCSI-2 channels on a single board support up to 14 drives (7 per channel) • Support for multiple logical drives per drive array • Removable Array Accelerator - battery to reconstruct the data on the failed drive. With Compaq Smart-2 controller technology, this reconstruction process allows the failed - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 15
Array Accelerator has a read/write cache ratio that can be customized to fit your GroupWise Server activity using the Compaq Array Controller Configuration Utility. The configuration utility assigns 4 MB of cache memory to read/write operations. Ratios of 0% Read/100% Write, 25% Read/ 75% Write, 50 - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 16
the best response time in our test, is recommended by Novell and Compaq engineers. This improvement in performance can be explained by the additional read- between servers. The "Networking Subsystem" segment under "Performance Tuning" offers guidelines for identifying performance problems that - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 17
ECG007.0897 WHITE PAPER (cont.) 1...7 • Physical segmentation To physically segment a network, you must first add more NICs to the server and then balance the network load among the multiple NICs. Segmenting a network by adding additional NICs and hubs has the added benefit of creating separate - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 18
requirements: you can use your existing 10Mb/s cable The disadvantages of upgrading the server NIC to 100 Mb/s while leaving clients at 10 Mb/s are: • Replacing parallel test environments were set up in the integration testing labs at Compaq. The results, shown in Table 3, compare a 10-Mb/s Ethernet - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 19
that simulates network demand placed on a file server; every client reads the same data from PERFORMANCE TUNING Bus System Tuning Compaq introduced dual peer PCI buses with the ProLiant 5000 for added performance and I/O. For added reliability, the ProLiant 5000 offers support for redundant 10/100 TX - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 20
the following Server Configuration of ProLiant 5000 is recommended. Table 4. Server Configuration of ProLiant 5000 striping, and the number of drives supported in an array. Now the performance -2 Controller writes data to 4 MB of cache memory on the Array Accelerator rather than directly to the - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 21
tunable parameter that impacts the system performance is the Read Ahead Cache which is the amount of memory allocated to the GroupWise Server specified in bytes. Novell and Compaq engineers recommend using the default read-ahead cache due to the 15-20% performance gain show in the following figure - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 22
memory requirement, please add the following memory to the system total memory: Table 5. Memory Recommendation Concurrent users Machine recommended Actual Server memory used During peak time. 100 Active users and actual Post Hardware striping is achieved by Compaq's Smart-2 Array Controller, - HP ProLiant 2500 | Novell GroupWise Performance Management on Compaq Servers - Page 23
portion of each drive reserved for fault tolerance support. Set the Smart Array Controller read/write specific, users should do their homework before changing it. Using the largest volume block size is recommended. PROOF OF CONCEPT OF SIZING THE GROUPWISE SERVER Preliminary tests show that a ProLiant
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WHITE PAPER
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ECG007.0897
September 1997
Prepared by Internet
Solutions Engineering
Compaq Computer
Corporation
C
ONTENTS
A message from
Paul Smart, Vice
President of
Research and
Development,
Collaboration
Services
.........................
0
Objective
........................
0
GroupWise
Architecture
...................
0
Functionality of GroupWise 5.2
Server
.................................
0
GroupWise System
Requirements
.................
0
Client
..................................
0
Server
.................................
0
Performance
Management
...................
0
Overview
.............................
0
Novell Super Laboratory
........
0
Test Configuration
................
0
Test Procedure
.....................
0
Subsystem Performance
Comparison
..........................
0
Performance
Tuning
............................
0
Bus System Tuning
...............
0
Hard Disk Controller Tuning ... 0
NetWare Operating System
Tuning
.................................
0
Performance
Conclusions
...................
0
System Processor
.................
0
Memory
...............................
0
Disk Subsystem
....................
0
Proof of Concept of
Sizing the
GroupWise Server
..........
0
Novell GroupWise Performance
Management on Compaq Servers
This Compaq White Paper provides the results of a performance analysis conducted by
Novell and Compaq engineers on the GroupWise Server for Novell IntranetWare. The
information here is based on technical knowledge acquired by both Novell and Compaq
engineers while testing these products in a closely controlled environment.
This paper is for system integrators and network administrators with knowledge of
Compaq Server products, Novell GroupWise, and IntranetWare. It is a supplement to the
“Compaq Hardware Reference” document and the “Novell GroupWise 5.2”
documentation. The results and conclusions of this paper provide
•
an understanding of how Novell GroupWise works, including performance impact
with various hardware configurations.
•
suggestions for improving your GroupWise Server for IntranetWare performance.
•
recommendations for selecting the appropriate server hardware for your GroupWise
Server for IntranetWare.