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首页CentOS High Performance - Gabriel Canepa
CentOS High Performance - Gabriel Canepa
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更新于2023-03-16
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CentOS is the enterprise level Linux OS, which is 100% binary compatible with Red Hat Enterprise Linux (RHEL). It acts as a free alternative to RedHat’s commercial Linux offering, with only a change in the branding. A high performance cluster consists of a group of computers that work together as one set parallel, hence minimizing or eliminating the downtime of critical services and enhancing the performance of the application.
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CentOSHighPerformance
TableofContents
CentOSHighPerformance
Credits
AbouttheAuthor
AbouttheReviewers
www.PacktPub.com
Supportfiles,eBooks,discountoffers,andmore
Whysubscribe?
FreeaccessforPacktaccountholders
Preface
Whatthisbookcovers
Whatyouneedforthisbook
Whothisbookisfor
Conventions
Readerfeedback
Customersupport
Downloadingtheexamplecode
Errata
Piracy
Questions
1.ClusterBasicsandInstallationonCentOS7
Clusteringfundamentals
WhyLinuxandCentOS7?
DownloadingCentOS
SettingupCentOS7nodes
InstallingCentOS7
Settingupthenetworkinfrastructure
Installingthepackagesrequiredforclustering
Keysoftwarecomponents
Settingupkey-basedauthenticationforSSHaccess
Summary
2.InstallingClusterServicesandConfiguringNetworkComponents
Configuringandstartingclusteringservices
Startingandenablingclusteringservices
Troubleshooting
Securityfundamentals
Lettinginandlettingout
GettingacquaintedwithPCS
Managingauthenticationandcreatingthecluster
SettingupavirtualIPforthecluster
AddingavirtualIPasaclusterresource
ViewingthestatusofthevirtualIP
Summary
3.ACloserLookatHighAvailability
Failover–anintroductiontohighavailabilityandperformance
Fencing–isolatingthemalfunctioningnodes
InstallingandconfiguringaSTONITHdevice
Split-brain–preparingtoavoidinconsistencies
Quorum–scoringinsideyourcluster
ConfiguringourclusterwithPCSGUI
Summary
4.Real-worldImplementationsofClustering
Settingupstorage
ELReporepositoryandDRBDavailability
ConfiguringDRBD
AddingDRBDasaPCSclusterresource
Installingthewebanddatabaseservers
Configuringthewebserverasaclusterresource
MountingtheDRBDresourceandusingitwithApache
TestingtheDRBDresourcealongwithApache
Settingupahigh-availabilitydatabasewithreplicatedstorage
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