Storage Foundation High Availability 51Word文件下载.docx

Storage Foundation High Availability 51Word文件下载.docx

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ThetableintheslideshowstheupgradepathsbetweenolderversionsofStorageFoundationrunningonvariousversionsofSolarisSPARCandSF5.1oncurrentlysupportedSolarisSPARCplatforms.Ifnoupgradepathexists,performthefollowingsteps:

1UninstalltheoldversionofSF.

2.Ifnecessary,upgradeOStoatleastSolaris9withupdate8.

3.PerformfullSF5.1installation.

NotethatSF5.1issupportedonthefollowingSolarisSPARCoperatingsystemversions:

•Solaris9withupdate8（32or64bit,SPARC）•Solaris10withupdate6orlater（64bitonly,SPARC）

Solarisx64upgradematrix

ThetableintheslideshowstheupgradepathsbetweenolderversionsofStorageFoundationonSolarisx64andSF5.1.StorageFoundationisonlysupportedonSolaris10withupdate6orlaterontheIntelplatform.

Ifnoupgradepathexists,performthefollowingsteps:

2PerformfullSF5.1installation.

AIXupgradematrix

ThetableintheslideshowstheupgradepathsbetweenolderversionsofStorageFoundationrunningonvariousversionsofAIXandSF5.1onsupportedversionsofAIX.

NotethatSF5.1issupportedonthefollowingAIXoperatingsystemversions:

AIX5.3TL7withSP6orlater;

TL8withSP4orlaterifTL8ispresent

AIX6.1TL0withSP6orlater;

TL1withSP2orlaterifTL1ispresent

Wherenecessary,thetableincludestheAIXoperatingsystemupgradesthatarerequiredtosupportthe5.1versionofStorageFoundation.

RHEL5upgradematrix

ThetableintheslideshowstheupgradepathsbetweenolderversionsofStorageFoundationrunningonvariousversionsofRedHatEnterpriseLinux（RHEL）andSF5.1onsupportedversionsofRHEL.

Ifnoupgradepathexists,performthefollowingsteps:

1UninstalltheoldversionofSF.

2UpgradeOStoatleastRHEL5withupdate3.

3PerformfullSF5.1installation.

NotethatSF5.1issupportedonRHEL5withupdate3orlater.Wherenecessary,thetableincludestheRHELoperatingsystemupgradesthatarerequiredtosupportthe5.1versionofStorageFoundation.

SLES10upgradematrix

ThetableintheslideshowstheupgradepathsbetweenolderversionsofStorageFoundationrunningonvariousversionsofSUSELinuxEnterpriseServer（SLES）andSF5.1onSLES10SP2orlater.

2UpgradeOStoSLES10SP2,orSLES11.

Wherenecessary,thetableincludestheSLESoperatingsystemupgradesthatarerequiredtosupportthe5.1versionofStorageFoundation.

SLES11upgradematrix

ThetableintheslideshowstheupgradepathsbetweenolderversionsofStorageFoundationrunningonvariousversionsofSUSELinuxEnterpriseServer（SLES）andSF5.1onSLES11.

2UpgradeOStoSLES11.

3.I/OFencingEnhancements

Fencingconfigurationdifferences

Defaultnonfencingconfiguration

InVCS5.1,whenaclusterisconfiguredbytheCPIinstallerscript,fencingisautomaticallyconfiguredandstartedindisabledmode.Whenyoudisplayclustermembership,portbforfencingcontainsallnodesspecifiedduringclusterconfiguration.

Note:

FencingisalsoconfiguredindisabledmodeafterinstallationofSFRAC5.0.WithVCS5.1,thebehaviorisnowthesameasSFRAC.

vxfentabdifferences

InVCS5.0,the/etc/vxfentabfilewasautomaticallygeneratedbyvxfenduringstartupandcontainedthepathstothecoordinatordisks.Thepathstocoordinatordiskswerediscoveredbywayofthediskgroupspecifiedinthe/etc/vxfendgconfigurationfile,whichiscreatedmanuallyinordertoconfigurefencing.Thisenablesallpathstoberediscoveredeachtimeasystemreboots.

WithVCS5.1,the/etc/vxfendgisnolongerpresentincustomizedconfigurations（mixeddiskandservercoordinationpoints）.Instead,thediskgroupisspecifiedinthe/etc/vxfenmodefile.WiththenewsupportofaCoordinationPointservertofunctionasacoordinationpoint（fulfillingtheroleofacoordinatordisk）,youcanconfigurefencingwithsomeornodisks.Therefore,youmaynothaveacoordinatordiskgroupaspartoftheconfiguration.

Withlegacydisk-onlybasedfencingconfigurations,the/etc/vxfendgispresentandthefencingdiskgroupisnotlistedinvxfenmode.

Thevxfentabfilealsohasnewdirectives,including:

•SecuritybetweenCPSandclientclusters

•CPSnamesorvirtualIPaddresses

ThevxfenmodefileisdescribedindetaillaterinthislessonwheretheCPserverandclientclusterconfigurationsarepresented.