List of Examples

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Chapter 3: Introducing Cluster Systems Management for Linux

Example 3-1: Default CSM ACL in /var/ct/cfg/ctrmc.acls file

Example 3-2: lssrc -a command result

Example 3-3: lsrsrc command result

Example 3-4: lsrsrc -a p "IBM.Host" result

Example 3-5: lsrsrc -a d "IBM.Host" output

Example 3-6: Predefined conditions

Example 3-7: List of predefined responses

Example 3-8: List of predefined associations

Chapter 4: Introducing General Parallel File System for Linux

Example 4-1: GPFS cluster data server creation

Example 4-2: A file system manager node list

Chapter 5: Cluster Installation and Configuration with CSM

Example 5-1: Installation of additional Red Hat 7.3 packages

Example 5-2: Management node /etc/ntp.conf file

Example 5-3: Starting the NTP daemon

Example 5-4: Checking NTP status

Example 5-5: /etc/sysconfig/syslog

Example 5-6: syslog restart

Example 5-7: Sample /etc/resolv.conf

Example 5-8: host command output

Example 5-9: MRV IN-Reach port configuration

Example 5-10: dhcp configuration file for the Equinox terminal server

Example 5-11: /etc/sysconfig/dhcpd

Example 5-12: Pinging the ESP to confirm its insertion on the network

Example 5-13: Output of espx-cfg

Example 5-14: Changes to /etc/uucp/port

Example 5-15: /etc/profile.d/csm.sh

Example 5-16: /etc/profile.d/csm.csh

Example 5-17: installms usage

Example 5-18: Example of using installms

Example 5-19: csmconfig output for the Try Before You Buy CSM license

Example 5-20: nodegrp command output

Example 5-21: lscondition command output

Example 5-22: lsresponse command output

Example 5-23: lshwinfo output

Example 5-24: edited lshwinfo output

Example 5-25: Sample nodedef file

Example 5-26: definenode output

Example 5-27: lsnode -N PreManagedNodes

Example 5-28: rpower command output

Example 5-29: Automate NTP installation using the KickStart template

Example 5-30: csmsetupks

Example 5-31: KickStart installnode

Example 5-32: monitorinstall output sequence

Example 5-33: lsnode -p output

Example 5-34: dsh -a date output

Example 5-35: rpower -a query output

Example 5-36: /etc/ntp.conf for compute and storage nodes

Example 5-37: /etc/ntp/step-tickers content

Example 5-38: /etc/modules.conf changes

Chapter 6: Cluster Management with CSM

Example 6-1: lshwinfo showing a replaced node on an RSA

Example 6-2: lshwinfo output after resetting the NodeID

Example 6-3: Using systemid to store service processor login information

Example 6-4: Demonstrating correct power control function

Example 6-5: Using csmsetupks for MAC address collection

Example 6-6: Using lsnode to verify MAC address capture

Example 6-7: Using syslog to capture MAC addresses

Example 6-8: Using ssh to a new node for the first time

Example 6-9: Configuring remote rsh access

Example 6-10: Using updatenode to perform a CSM only installation

Example 6-11: Uninstalling nodes with rmnode -u

Example 6-12: Using rpower to query the power status of all nodes in the cluster

Example 6-13: Power controlling nodes with rpower

Example 6-14: Remote console access with rconsole

Example 6-15: Checking node availability using lsnode

Example 6-16: Using dshbak to format lsnode output

Example 6-17: Querying a node temperature using lshwstat

Example 6-18: lshwstat -h output

Example 6-19: Creating and displaying a new nodegroup with nodegrp

Example 6-20: Removing nodes from a group using nodegrp -x

Example 6-21: Creating a dynamic group with nodegrp -w

Example 6-22: Displaying the select clause of a dynamic group using nodegrp -W

Example 6-23: Displaying the time on all nodes in the cluster using dsh

Example 6-24: Formatting dsh output with sort

Example 6-25: Using dshbak to format the output of dsh

Example 6-26: dsh and dshbak with different outputs

Example 6-27: dsh -v with a down node

Example 6-28: DCEM logs

Example 6-29: Creating a .post script for /cfmroot/etc/ntp.conf

Example 6-30: Displaying node resources using lsrsrc

Example 6-31: Displaying sensor information with lssensor

Example 6-32: Displaying condition information using lscondition

Example 6-33: Displaying condition responses using lsresponse

Example 6-34: Starting event monitoring with startcondresp

Example 6-35: Pausing and removing condition responses

Example 6-36: Creating an event response script

Example 6-37: Displaying the audit log with lsaudrec

Example 6-38: Uninstalling CSM

Chapter 7: GPFS Installation and Configuration

Example 7-1: Symbolic link to the appropriate kernel

Example 7-2: Content of variables in /usr/src/linux/Makefile

Example 7-3: Configuring the .config file

Example 7-4: /root/.ssh/known_hosts file

Example 7-5: GM_INSTALL output

Example 7-6: /usr/gm/sbin/gm_install_drivers output

Example 7-7: /etc/init.d/gm start command

Example 7-8: dmesg output during Myrinet installation

Example 7-9: Startup script for the Myrinet configuration files

Example 7-10: /etc/sysconfig/network-scripts/ifcfg-myri0 file

Example 7-11: ifconfig myri0 output

Example 7-12: /usr/gm/bin/gm_board_info output

Example 7-13: Procedure to autoload rc.modules file

Example 7-14: lsmod command

Example 7-15: /etc/modules.conf file

Example 7-16: Detect the hardware

Example 7-17: fdisk -l command output

Example 7-18: Values changed in the /usr/lpp/mmfs/src/config/site.mcr file

Example 7-19: /tmp/gpfs.allnodes file

Example 7-20: mmcrcluster command output

Example 7-21: mmlscluster command output

Example 7-22: mmconfig command

Example 7-23: mmlsconfig command

Example 7-24: mmstartup command

Example 7-25: /tmp/descfile file

Example 7-26: mmcrnsd command

Example 7-27: /tmp/descfile (modified)

Example 7-28: Error message in mmcrnsd output

Example 7-29: -v no option

Example 7-30: mmlsnsd command

Example 7-31: mmlsnsd -m output

Example 7-32: Create NSD file system

Example 7-33: Error message with mmcrfs command

Example 7-34: mmlsfs command output

Example 7-35: mmlsdisk command

Example 7-36: /etc/fstab file

Example 7-37: Failure group of -1

Example 7-38: mmlsnsd command

Example 7-39: Shut down a local node

Example 7-40: Shut down all nodes in the nodeset

Chapter 8: Managing the GPFS Cluster

Example 8-1: Creating an additional NSD with mmcrnsd

Example 8-2: Verifying correct NSD creation with mmlsnsd

Example 8-3: Adding a disk to a GPFS file system with mmadddisk

Example 8-4: Verifying the new NSD was added with mmlsdisk and mmlsnsd

Example 8-5: Inspecting file system capacity with mmdf

Example 8-6: Removing a disk from GPFS with mmdeldisk

Example 8-7: Verifying successful disk removal with mmlsdisk and mmlsnsd

Example 8-8: Listing free NSDs with mmlsnsd -F

Example 8-9: Defining a replacement disk with mmcrnsd

Example 8-10: Replacing a disk with mmrpldisk

Example 8-11: Using mmlsdisk and mmlsnsd to ensure a disk has been replaced

Example 8-12: Removing all GPFS configuration from the primary node

Example 8-13: Sample GPFS ACL

Example 8-14: Setting and inspecting the GPFS ACL on a file

Example 8-15: mmfs.log file

Example 8-16: mmlsmgr command

Example 8-17: mmlscluster command

Example 8-18: mmcrfs command

Example 8-19: Verifying mmfsd is running

Example 8-20: mmlsnsd command

Example 8-21: Reactivating disks

Example 8-22: mmfsck and mmrestripefs commands

Example 8-23: Gathering and sorting log data

Chapter 9: Migrating xCat Clusters to CSM

Example 9-1: Using xcat2csm

Example 9-2: Excerpt from unmodified xcat2csm generated nodedef file

Example 9-3: Excerpt from updated xcat2csm nodefile

Example 9-4: Sample nodegrpdef file generated by xcat2csm

Appendix A: SRC and RSCT

Example A-1: lssrc -a command output

Example A-2: lssrc -ls cthats output

Example A-3: Verify that Group Services is running

Appendix B: Common Facilities

Example B-1: DNS zones - /etc/named.conf

Example B-2: DNS zone files

Example B-3: BIND logging example

Example B-4: /etc/hosts file

Example B-5: Key generation

Example B-6: Creating the authorized_keys file

Example B-7: Distributing the authorized_keys file

Example B-8: Server verification

Example B-9: Confirm server key and identification

Example B-10: Creating and replicating known_hosts file

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