IBM totalstorage enterprise storage server model 800 performance monitoring and tuning guide / Gustavo Castets, et al.

Format:

Book

Author/Creator:

Castets, Gustavo.

Contributor:

International Business Machines Corporation. International Technical Support Organization.

Series:

IBM redbooks.

IBM redbooks

Language:

English

Subjects (All):

Enterprise application integration (Computer systems).

Storage area networks (Computer networks).

Physical Description:

1 online resource (504 p.)

Edition:

1st ed.

Place of Publication:

San Jose, CA : IBM International Technical Support Organization, 2003.

Language Note:

English

Contents:

Front cover

Contents

Figures

Tables

Notices

Trademarks

Preface

The team that wrote this redbook

Become a published author

Comments welcome

Chapter 1. ESS Model 800 characteristics

1.1 The IBM TotalStorage Enterprise Storage Server

1.2 IBM TotalStorage Enterprise Storage Server Model 800

1.2.1 Benefits

1.3 Storage consolidation

1.4 Performance

1.4.1 Third-generation hardware - ESS Model 800

1.4.2 Efficient cache management and powerful back-end

1.4.3 Sysplex I/O management

1.4.4 Parallel Access Volume (PAV) and Multiple Allegiance

1.4.5 I/O load balancing

1.4.6 2 Gb Fibre Channel/FICON host adapters

1.4.7 64-bit ESCON host adapters

1.5 Data protection and availability

1.5.1 Fault-tolerant design

1.5.2 RAID-5 or RAID-10 data protection

1.5.3 Remote copy functions

1.5.4 Point-in-Time Copy function

1.6 Storage Area Network (SAN)

Chapter 2. Hardware configuration planning

2.1 Rules of thumb and benchmarks

2.2 Understanding your workload characteristics

2.3 ESS Model 800 major hardware components

2.4 ESS Processors

2.4.1 Standard and Turbo options

2.4.2 Choosing the processor option

2.5 Cache and NVS

2.5.1 Cache

2.5.2 Non-volatile storage (NVS)

2.5.3 Cache algorithms

2.5.4 Read operations

2.5.5 Write operations

2.5.6 Sequential read operations

2.5.7 Sequential write operations

2.5.8 Choosing the cache size

2.6 ESS disks

2.6.1 ESS disk capacity

2.6.2 Disk eight-packs

2.6.3 Disk eight-pack capacity

2.6.4 Disk eight-pack intermixing

2.6.5 Disk conversions

2.6.6 Step Ahead option

2.7 Choosing the ESS disks

2.7.1 Disk capacity

2.7.2 Examples using 145.6 GB disk drives

2.7.3 Disk speed (RPM)

2.7.4 Examples using 15 Krpm and 10 Krpm disk drives

2.8 RAID implementation

2.8.1 RAID ranks.

2.8.2 RAID-5 rank

2.8.3 RAID-10 rank

2.8.4 Combination of RAID-5 and RAID-10 ranks

2.9 Host adapters

2.9.1 ESCON attachment

2.9.2 SCSI attachment

2.9.3 FCP attachment

2.9.4 FICON attachment

2.9.5 Host adapters-server attachment

2.10 Host adapters configuration

2.10.1 ESCON and FICON attachment

2.10.2 SCSI attachment

2.10.3 FCP attachment

2.10.4 FICON attachment

Chapter 3. Logical configuration planning

3.1 ESS logical configuration - Components and terminology

3.1.1 Eight-packs and disk drives

3.1.2 SSA device adapters

3.1.3 Arrays, ranks, and disk groups

3.1.4 ESS storage allocation - Logical disks

3.1.5 Fixed Block and count-key data

3.1.6 Logical subsystems (LSSs)

3.2 Optimizing storage allocation

3.2.1 Minimizing number of spares

3.2.2 Balancing logical subsystems

3.3 Logical disks - Number and size

3.4 Logical disk sizes - General considerations

3.4.1 Future requirements

3.4.2 Maximum number of devices

3.4.3 System management

3.5 Logical disk sizes - LVM considerations

3.6 Logical disk sizes - zSeries

3.7 Logical disk sizes - iSeries

3.7.1 SCSI attachment

3.7.2 FCP attachment

3.8 Placement of logical disks

3.8.1 RAID configuration

3.8.2 Logical disk placement

3.8.3 Creating logical disks on different disk groups

3.9 RAID-5 vs. RAID-10 considerations

3.10 Open systems striping

3.10.1 Single rank file systems

3.10.2 Striping for high sequential I/O

3.10.3 Spread vs. stripe

3.10.4 Striped file system

3.10.5 Striping logical volumes - Trade-offs

3.10.6 Hardware and operating system considerations

3.11 Logical configuration - Checklists and worksheets

Chapter 4. Planning and monitoring tools

4.1 Disk Magic

4.1.1 Overview and characteristics

4.1.2 Output information

4.1.3 How Disk Magic works.

4.1.4 Input dialogs

4.1.5 Output reports

4.2 Sequential Sizer

4.2.1 Overview and characteristics

4.2.2 Spread sheets

4.2.3 Input data

4.2.4 When to use Sequential Sizer

4.3 Capacity Magic

4.3.1 Overview and characteristics

4.3.2 Input panels

4.3.3 Examples

4.3.4 Input data

4.3.5 When to use Capacity Magic

4.4 IBM TotalStorage Expert

4.4.1 Overview and characteristics

4.4.2 Performance management for your ESS

4.4.3 Operation characteristics

4.4.4 Using the IBM TotalStorage Expert

4.4.5 Performance report types

4.4.6 Viewing performance management reports

4.4.7 Interpreting the ESS performance reports

4.4.8 Performance summary reports - Considerations

4.4.9 Viewing performance detail reports

4.4.10 Performance detail reports - Considerations

4.5 TotalStorage Expert performance reports and other tools

4.5.1 Using the ESS reports under UNIX systems

4.5.2 Using the ESS reports under Windows 2000 systems

4.5.3 Using the ESS reports in an S/390 environment

4.5.4 IBM TotalStorage Expert and mixed operating systems

Chapter 5. Host attachment

5.1 Attachment architectures

5.2 Multipathing

5.3 ESCON

5.4 FICON

5.4.1 FICON benefits

5.4.2 FICON recommendations

5.5 SCSI

5.5.1 Supported SCSI attached hosts

5.5.2 SCSI attachment recommendations

5.6 Fibre Channel

5.6.1 Supported Fibre Channel attached hosts

5.6.2 Fibre Channel topologies

5.7 SAN implementations

5.7.1 Description and characteristics of a SAN

5.7.2 Benefits of a SAN

5.7.3 SAN cabling for availability and performance

5.7.4 Tasks for a SAN implementation

5.7.5 Importance of establishing zones

5.7.6 LUN masking

5.7.7 Configuring logical disks in a SAN

5.8 Subsystem Device Drivers (SDD) - Multipathing

5.8.1 SDD load balancing

5.8.2 Concurrent LIC load.

5.8.3 Single path mode

5.8.4 Single FC adapter with multiple paths

5.8.5 Path failover and online recovery

5.8.6 SDD datapath command

5.9 ESSUTIL utility package

5.9.1 Using ESSUTIL for performance enhancement

5.9.2 ESS utilities supported servers

5.9.3 Implementing and using the ESS utilities

5.9.4 Mapping ranks to ESS Specialist disk groups

Chapter 6. Open systems servers - UNIX

6.1 UNIX performance monitoring and tuning

6.2 Planning and preparing UNIX servers for performance

6.2.1 I/O balanced across ESS components

6.2.2 Number of paths from host to ESS

6.2.3 ESS LUN size

6.2.4 System and adapter code level

6.2.5 Subsystem Device Driver (SDD)

6.2.6 ESSUTIL package

6.3 Common UNIX performance monitoring tools

6.3.1 IOSTAT

6.3.2 SAR

6.3.3 VMSTAT

6.4 SDD commands for AIX, HP-UX, and Sun Solaris

6.4.1 AIX SDD commands

6.4.2 HP-UX SDD commands

6.4.3 Sun Solaris SDD commands

6.5 AIX-specific I/O monitoring commands

6.5.1 TOPAS

6.5.2 NMON

6.5.3 FILEMON

6.5.4 LVMSTAT

6.6 HP-UX specific I/O monitoring commands

6.7 Viewing iostats based on vpaths - vpath_iostat script

6.8 Viewing iostats based on ranks - ess_iostat script

6.9 Measuring ESS sequential I/O speeds

6.9.1 Using DD command to test rank read speeds

6.9.2 Testing file system sequential write/read speeds

6.10 Implementing striped file systems

6.10.1 Creating striped file systems

6.10.2 Example of striping on an AIX host

6.11 Operating system tuning for sequential I/O

6.11.1 AIX OS tuning for sequential I/O

6.11.2 HP-UX OS tuning for sequential I/O

6.11.3 Sun Solaris OS tuning for sequential I/O

Chapter 7. Open system servers - Linux for xSeries™

7.1 Supported Linux distributions

7.2 Introduction to Linux O/S components.

7.2.1 Understanding and tuning virtual memory

7.2.2 Understanding and tuning the swap partition

7.2.3 Understanding and tuning the daemons

7.2.4 Tuning the GUI

7.2.5 Compiling the kernel

7.2.6 Understanding and tuning the file systems

7.2.7 Tuning TCP window size

7.3 Linux monitoring tools

7.3.1 uptime

7.3.2 dmesg

7.3.3 top

7.3.4 iostat

7.3.5 vmstat

7.3.6 sar

7.3.7 isag

7.3.8 GKrellM

7.3.9 KDE System Guard

7.4 Logical Volume Manager for Linux (LVM)

7.4.1 Implementation

7.4.2 Performance Management

7.4.3 Hardware RAID

7.5 Swapping

7.6 Virtual memory

7.7 Bonnie

7.7.1 Benchmarks

7.7.2 Downloading

7.8 Bonnie++

7.9 Disk bottlenecks

Chapter 8. Open system servers - Intel based

8.1 Host system performance

8.2 Tuning Windows 2000 and NT systems

8.2.1 Foreground and background priorities

8.2.2 Virtual memory

8.2.3 Windows paging optimization

8.2.4 System cache tuning

8.2.5 Disabling unnecessary services

8.2.6 File system overview

8.2.7 Disk partitioning

8.3 Tools for Windows 2000 and NT

8.4 Windows 2000 and NT Performance console

8.4.1 Key objects and counters

8.4.2 Performance console output information

8.4.3 Performance Logs and Alerts

8.4.4 Monitoring disk counters

8.4.5 Monitoring disk performance

8.4.6 Disk bottlenecks

8.4.7 Performance reports

8.5 Task Manager

8.5.1 Starting Task Manager

8.6 Iometer

8.7 Performance configuration options

8.8 General considerations for Windows servers

8.9 Windows NT registry options

8.9.1 Speed up file system caching

8.9.2 Improve memory utilization of file system cache

8.10 Subsystem Device Driver (SDD)

8.11 Novell NetWare monitoring tools

8.12 NetWare Remote Manager

8.12.1 Accessing NRM

8.12.2 Volumes link

8.12.3 Disk/LAN adapters link.

8.13 Monitor.

Notes:

"July 2003."

Includes bibliographical references and index.

OCLC:

647466416