Linux for zSeries : fibre channel protocol implementation guide / [Gregory Geiselhart ... et al.].

Format:

Book

Contributor:

Geiselhart, Gregory.

International Business Machines Corporation. International Technical Support Organization.

Series:

IBM redbooks.

IBM redbooks

Language:

English

Subjects (All):

Operating systems (Computers).

Fibre Channel (Standard).

Linux.

Physical Description:

xiv, 268 p. : ill.

Edition:

1st ed.

Place of Publication:

Poughkeepsie, NY : IBM, International Technical Support Organization, 2004.

Language Note:

English

Contents:

Front cover

Contents

Notices

Trademarks

Preface

The team that wrote this redbook

Become a published author

Comments welcome

Chapter 1. Fibre Channel Protocol concepts

1.1 FCP support

1.2 FCP topologies

1.2.1 Point-to-point

1.2.2 Arbitrated loop

1.2.3 Switched fabric

1.2.4 Supported topologies

1.3 FCP terminology

1.3.1 Node

1.3.2 Port

1.3.3 Link

1.3.4 Worldwide names

1.4 FCP access control

1.4.1 LUN masking

1.4.2 Zoning

1.5 FCP considerations and limitations

1.5.1 Channel sharing

1.5.2 Device sharing

1.5.3 Supported devices

Chapter 2. Accessing FCP devices from Linux guests

2.1 Addressing concepts for FCP-attached SCSI

2.1.1 SCSI addresses

2.1.2 zSeries device numbers

2.1.3 zSeries hardware addresses

2.2 FCP addresses

2.3 Linux device names

2.3.1 Linux SCSI support

2.3.2 Mapping points

2.4 Linux FCP mapping

2.4.1 Device number

2.4.2 Target number

2.4.3 WWPN

2.4.4 Linux LUN

2.4.5 SAN device LUN

2.4.6 Map entry ordering

2.4.7 Syntax rules

2.5 The zfcp device driver

2.5.1 Loading the driver

2.5.2 Adding a device mapping

2.5.3 Attaching LUNs to the SCSI subsystem

2.5.4 Device mapping by example

2.5.5 The /proc/scsi directory structure

2.6 SCSI IPL feature

2.6.1 IPL Linux from SCSI disk in an LPAR

2.6.2 IPL Linux from SCSI disk in a VM guest

2.6.3 The CP SET LOADDEV command

2.6.4 The LOADDEV user directory statement

2.6.5 Dumping to a SCSI disk

2.7 Multipathing concepts

2.7.1 Multipathing with FICON

2.7.2 Multipathing with FCP

Chapter 3. Configuring zSeries to use Fibre Channel Protocol

3.1 Prerequisites for FCP support

3.1.1 Software requirements

3.1.2 Hardware requirements

3.1.3 Fiber implementation options

3.1.4 Connector types

3.1.5 Distances.

3.2 Enabling the SCSI IPL feature

3.3 Defining an FCP channel to zSeries

3.4 Configuring IBM Enterprise Storage Server

3.4.1 Modifying the host systems

3.4.2 Configuring the host adapter ports

3.4.3 Configuring the disk groups

3.4.4 Adding volumes to the host system

3.4.5 Determining the disk LUN numbers

Chapter 4. Installing SUSE SLES8 on FCP-attached SCSI

4.1 Installation overview

4.2 Preparing the z/VM Linux guest

4.2.1 Defining the Linux virtual machine

4.2.2 Checking the status of the FCP device

4.2.3 Transferring the Linux installation kernel

4.3 Performing installation configuration

4.3.1 IPL the SLES8 installation kernel

4.3.2 Configuring the network

4.3.3 Choosing the installation media

4.3.4 Selecting the installation terminal type

4.4 Preparing the FCP device

4.4.1 Loading the required device drivers

4.4.2 Partitioning the SCSI device

4.5 Continuing installation from YaST

4.5.1 Loading the DASD device driver

4.5.2 Completing YaST installation

4.6 Applying Service Pack 3 (SP3)

4.6.1 Invoking YaST from a chroot jail on the SCSI disk

4.6.2 Applying the SP3 system update to the SCSI disk installation

4.6.3 Completing installation to SCSI disk

4.7 IPL the Linux guest from SCSI disk

4.7.1 Providing the WWPN and LUN to the machine loader

4.7.2 IPL the Linux guest

4.8 Copying an existing SLES8 installation to FCP

4.8.1 Loading the SCSI device drivers

4.8.2 Preparing the SCSI disk

4.8.3 Copying SLES8 onto the SCSI disk

4.8.4 Configuring the bootable SCSI partition

4.8.5 Creating an initial ramdisk for IPL from SCSI

4.8.6 Preparing SCSI partition for IPL

4.8.7 IPL from the SCSI partition

4.9 IPL Linux in an LPAR from SCSI

Chapter 5. Installing Red Hat RHEL 3 on FCP-attached SCSI

5.1 The Linux guest directory entry.

5.2 Installing RHEL 3 to ECKD DASD

5.2.1 Completing the installation

5.3 Copying the installed system to SCSI disk

5.3.1 Loading the FCP device driver

5.3.2 Preparing the SCSI disk

5.3.3 Copying the installation to SCSI disk.

5.3.4 Customizing the installation configuration files

5.3.5 Making the SCSI disk bootable

5.3.6 IPL the SCSI disk

5.4 Adding SCSI disks

5.4.1 Preparing configuration files and SCSI disk for the next boot

5.4.2 Adding LUNs without changing /etc/modules.conf

5.4.3 Defining the LUN mapping

5.4.4 Defining the LUNs to the SCSI stack

5.4.5 Mounting the devices

5.4.6 Automate the process at system initialization

Chapter 6. Installing SUSE SLES9 on FCP-attached SCSI

6.1 The sysfs filesystem

6.2 Installing SLES9 directly onto FCP devices

6.3 Adding FCP disks to a SLES9 installation

6.3.1 Adding disks manually

Chapter 7. Multipath FCP on Red Hat RHEL 3

7.1 Red Hat RHEL 3 implementation

7.2 Configuring multipathing in Red Hat RHEL 3

7.2.1 Creating an initial ramdisk

7.2.2 Point to the new initial ramdisk

7.2.3 Restart the Linux guest

7.2.4 Create SCSI device nodes

7.2.5 Partition the SCSI devices

7.2.6 Configuring mdadm to manage the device array

7.2.7 Creating a filesystem on the devices

7.2.8 Enable the RAID array on Linux startup

7.2.9 Mount the filesystems at startup

7.3 Using mdadm to administrate RAID arrays

7.3.1 Reporting failed paths

7.3.2 Reporting path recovery

7.3.3 Forcing a path into failed mode

7.3.4 Removing spare paths

7.3.5 Adding paths back into the array

Chapter 8. Multipath FCP on SUSE SLES8

8.1 Multipath implementation in SLES8

8.2 Configuring multipathing in SLES8

8.2.1 Creating an initial ramdisk

8.2.2 Point to the new initial ramdisk

8.2.3 Restart the Linux guest.

8.2.4 Partition the SCSI devices

8.2.5 Configure LVM to manage the devices

8.3 Using LVM tools to administrate RAID arrays

Chapter 9. Multipath FCP on SUSE SLES9

9.1 Multipath implementation in SLES9

9.2 Configuring multipathing in SLES9

9.2.1 Defining the FCP devices

9.2.2 Vary the FCP devices online

9.3 Managing multipath devices using EVMS

9.3.1 Start the EVMS management tool

9.3.2 Locate available objects

9.3.3 Locate EVMS segments

9.3.4 Add an EVMS segment manager to the disks

9.3.5 Create an EVMS segment on the disks

9.3.6 Restart the EVMS management tool

9.3.7 Create an EVMS region

9.3.8 Define a RAID0 array of multipath regions

9.3.9 Create a volume within the RAID0 region

9.3.10 Create a filesystem on the volume

9.3.11 Start EVMS at system boot

Chapter 10. FCP security topics

10.1 LUN masking

10.2 Zoning

10.2.1 Zone definition

10.3 Binding

Appendix A. Using zSeries dump tools with FCP

Installing the SCSI dump tool

Shared partition configuration

Target and dump on different partitions

Performing the SCSI dump

Appendix B. Using IBM Tivoli Storage Manager with FCP

Configuring the tape drives

Configuring the IBMTape driver

Configuring IBM Tivoli Storage Manager

Related publications

IBM Redbooks

Other publications

Online resources

How to get IBM Redbooks

Help from IBM

Abbreviations and acronyms

Index

Back cover.

Notes:

"August 2004."

"SG24-6344-00."

Includes bibliographical references and index.

OCLC:

932363543