7. La mujer en el movimiento simbolista
7.7. El amor sáfico
pSeries
host
This chapterprovidesinstructions,requirements,andconsiderations forattaching anIBMRS/6000orIBMeServerpSerieshostto astorageunit.
Installing
the
2107
host
attachment
package
on
IBM
pSeries
AIX
hosts
This sectionprovidestheinstructionsto installthehostattachmentpackagefor the storageunit. RunthehostattachmentpackageoneachAIXhostsystem thatis attached tothestorageunit.
Preparing
for
installation
of
the
host
attachment
package
on
IBM
pSeries
AIX
hosts
This sectiondescribespreparingfor installationof thehostattachmentpackageon IBMpSeriesAIXhosts.
1. Attach thestorageunit toyourhostsystem.See“Generalinformationabout
attachingto open-systemshostwithfibre-channeladapters”onpage16. 2. Turn onthehostsystem andallattachments.
3. Ensure thatyouhaverootaccess.
4. Ensure thatyouhaveadministrator knowledge.
5. Ensure thatyouhaveknowledgeoftheSystemManagementInterfaceTool
(SMIT).
Note: Youarenotrequiredto varyoff thevolume groupbeforeyouinstall the
newversion.
Installing
the
host
attachment
package
on
IBM
pSeries
AIX
hosts
This sectionprovidesinstructionsfor installingthehostattachmentpackageonIBM pSeriesAIXhosts.
You musthave superuserauthorityto completetheinstructions.
Note: Thefollowingprocedureisanexample.Theexampleuses/dev/cd0forthe
addressof theCD.Youraddressmightbedifferent.
1. Fromyourdesktop window,type smitinstall_updateto godirectly to the
installationpanel.
2. ClickInstallSoftware andpressEnter.
3. PressF4to opentheInputDevice/DirectoryforSoftwarewindow.
4. SelecttheCDdrivethatyouareusingfor theinstallation,forexample,
/dev/cd0.
5. PressEnter.TheInstallandUpdatefromtheLatestAvailable Softwarewindow
opens.
6. ClickSoftwaretoInstall andpressF4.
7. SelectSoftwarePackagesandpressF7.
Thesoftwarepackagenameisdevices.fcp.disk.ibm.rte.
8. PressEnter.TheInstallandUpdatefromtheLatestAvailable Softwarepanel
opensagainwiththename oftheselectedsoftwarehighlighted.
10. PressEntertoinstallthesoftware.SMITrespondswiththefollowing question:
Are you sure?
11. PressEntertocontinue.Theinstallationprocessmighttakeseveralminutes.A
messagedisplayswhentheinstallationprocessiscomplete. 12. PressF10whentheinstallationprocessiscomplete.
13. ExitfromSMIT.
14. Removethecompactdisc.
15. Restartthehostsystemor unconfigureandreconfigurethedisks.You must
restartthehostsystem orunconfigureandreconfigurethedisksbeforethe changescantake effect.
Upgrading
the
host
attachment
package
on
IBM
pSeries
AIX
hosts
You canupgradethehost attachmentpackageonanIBMpSerieshosts.
For currentinformationabout upgradingthehostattachment packageonanIBM pSeriesAIXhosts,seetheIBMTotalStorageMultipathSubsystemDeviceDriver User’s Guide.
Attaching
with
fibre-channel
adapters
This sectionprovidesinstructions,requirements, andconsiderationsfor attachingan RS/6000 orpSerieshostsystemto astorageunitwithfibre-channeladapters.
Supported
fibre-channel
adapter
cards
for
IBM
pSeries
hosts
Thefollowingfibre-channeladaptersaresupportedfor RS/6000orpSerieshost systems:
v Featurecode 6228
v Featurecode 6239
v Featurecode 5716
This sectionalso describesthehost systemrequirementsandprovidesthe proceduresto attachastorageunittothefollowinghost systems:
v RS/6000
v pSeries
v eServerp5withfibre-channeladapters
v RS/6000ScalablePOWERParallel(SP)Complex
v pSeriesSPComplex
Note: ForanRS/6000or pSerieshost system,youcanuseeither ofthefollowing
topologies:
v Point-to-point(switched fabric)topology
v Arbitratedloop topology
TheRS/6000andpSerieshostsystemsdonotsupportmorethanone host busadapterontheloop.TheRS/6000andpSerieshostsystems supporta directconnection oftheRS/6000andpSerieshostsystemstoa storageunitbyusingthefibre-channelarbitratedloop topology.
For informationaboutrunningMPIOonapSerieshostsystem,orfor alistof open-systems hosts,operatingsystems,adaptersandswitchesthatIBMsupports,
see theInteroperabilityMatrixat
http://www.ibm.com/servers/storage/disk/ds8000/interop.html.
Fibre-channel
attachment
requirements
for
IBM
pSeries
hosts
This sectionlistthefibre-channelattachmentrequirementsforIBMpSerieshosts. This sectionliststherequirementsforattachingthestorageunittoyourhost system:
v Ensurethatyouhave theinstallationscriptfiles.ThesefilesareontheCDthat
youreceivewiththestorageunit.
v Ensurethatyouhave 1MBminimumof harddiskspaceavailableto installthe
AIXhostattachmentpackage.
v Ensurethatyoucanreference thedocumentation foryourhostsystem andthe
IBMTotalStorage DS8000User’sGuide.TheUser’sGuideisontheTotalStorage CDthatyou receivewiththestorageunit.
v Fordetails aboutthereleaselevelforyouroperatingsystem,seethe
InteroperabilityMatrixat
http://www.ibm.com/servers/storage/disk/ds8000/interop.html.
Eitheryou oranIBMservicesupportrepresentative(SSR)mustperformthe following taskstoinstallandconfigureastorageunit:
1. TheIBMSSRinstallsthestorageunitbyusingtheproceduresintheIBM
TotalStorage DS8000ServiceGuide.
2. Eitheryou oranIBMSSRdefinesthefibre-portconfigurationif youdidperform
theinstallationofthestorageunitorfibre-channeladapters.
3. Eitheryou oranIBMSSRconfiguresthehostsystemfor thestorageunit. Use
theinstructionsinyour hostsystempublications.
4. Eitheryou oranIBMSSRcheckstheLUNlimitationsfortheRS/6000and
pSeries.
Note: TheSDDsupports RS/6000andpSerieshostsystemsina clustering
environment.Tohavefailover protectiononanopensystem,SDDrequires atleasttwopaths,andSDDallowsamaximumof 32paths.
Fibre-channel
attachment
considerations
for
IBM
pSeries
hosts
This sectioncontaininformationabout fibre-channelattachmentconsiderations for IBMpSerieshosts.
For upto dateinformationabouttheservers,operating systems,hostadapters, and fabricconnectionsthatIBMsupports,seetheInteroperabilityMatrixat
http://www.ibm.com/servers/storage/disk/ds8000/interop.html.
Thestorageunitsupports eServerBladeCenterJS20withblade8842 when operating inanIBMpSeries,32-bitenvironment.
Verifying
the
configuration
of
the
storage
unit
for
fibre-channel
adapters
on
the
AIX
host
system
This topicprovidesinformationtoverifytheconfigurationof thestorageunitfor fibre-channeladaptersontheAIXhostsystem.
Toverifytheconfigurationof thestorageunitontheAIXhost system,typethe following command: lsdev -Cc disk | grep 2107
Figure46displaysexampleresultsof thecommandif theconfigurationis successful.
Figure47displaysexampleresultsof thelsdiskcommandtolistallthedisksinthe systemswhich donotcontain2107diskdevices.
Making
SAN
changes
for
IBM
pSeries
hosts
This topicdescribesSANchangesthatyouneedtomakeforanIBMpSerieshosts. Before youchangetheswitchportconnectedtothestorageunitortheswitch domain ID,performthestepsbelowtoremovethefibre-channeladapter: The5716, 6228,and6239host adaptercardsdonotsupportdynamicSAN
configurationchanges.DonotchangethedomainIDoftheswitchportof theswitch connected tothestorageunit;otherwise,youmightlosetheconnectionto the storageunit.
1. Run theumountcommandto unmountthefilesonthefilesystem.
For example,typeumountx,wherex isthefile systemname.Ifyou areonan SPhost, goto step2,otherwisegotostep 4.
2. For SPenvironments,typesuspendvsdtosuspendthevirtualshareddiskswith
thevolumegroups.
3. For SPenvironments,typestopvsdto stopthevirtualshareddisksthatare
associatedwiththevolume groups.
4. Run thevaryoffvgcommandforthe2107volumegroup.
For example, type varyoffvg VGname
5. Type rmdev -dl fcs(x) -R onthecommand line to removethe fibre-channel
adapter.Thevalueofx representsthefibre-channelnumberthatyouwantto remove.
6. Type cfgmgrtoreinstalltheadapterandrediscoverthe2107hdisks.
7. Type varyonvgtovaryonthevolumegroups.
8. Remountthefilesystem.
hdisk3 Available 30-68-01 IBM FC 2107 hdisk4 Available 30-68-01 IBM FC 2107 hdisk5 Available 30-68-01 IBM FC 2107 ...
...
Figure46.Exampleofalistofdevicesdisplayedwhenyouusethelsdev-Ccdisk|grep 2107commandforfibre-channel
hdisk3 Available 30-68-01, Other FCSCSI disk device hdisk4 Available 30-68-01, Other FCSCSI disk device hdisk5 Available 30-68-01, Other FCSCSI disk device ...
...
Figure47.Exampleofalistofotherdevicesdisplayedwhenyouusethelsdiskcommandfor fibre-channel.
Support
for
fibre-channel
boot
Thefollowingsectionsdescribetheprerequisites,thetypesofIBMRS/6000or IBM pSerieshoststhataresupported,andrequiredlevelofadaptermicrocode.
Prerequisites
for
setting
up
the
IBM
pSeries
host
as
a
fibre-channel
boot
device
This sectioncontainprerequisitesforsettinguptheIBMpSerieshostasa fibre-channelbootdevice
Note: RS/6000supports fibre-channelbootwithorwithoutSDD.However, ifyou
areusingSDDwithRS/6000SP,youmustinstallAPARIY37451. Beforeyou cansetuptheRS/6000or IBMpSeriesasabootdevice,you must meet thefollowing prerequisites:
v AnIBMpSeriesor IBMRS/6000 systemwiththecorrectleveloffirmware
Forthemostcurrentlistof IBMRS/6000 orIBMpSerieshoststhatare supported,seetheInteroperability Matrixat
http://www.ibm.com/servers/storage/disk/ds8000/interop.html.
v Featurecode 5716at thecorrectmicrocodelevelandrequiresAIX5.2H,AIX5.3,
orhigher.
v Featurecode 6228at thecorrectmicrocodelevel.
v Featurecode 6239needstobeatthecorrectmicrocodelevelandrequiresAIX
5.1ML04andabove. v AIX5.1
FortheSP,PSSPmustbeat3.2withAPARIY22732(includedinPSSP3.2PTF 14).
v Acopyofthedevices.fcp.disk.ibm.rtefile.
For themostcurrentmicrocodeandfirmwarelevels,seetheInteroperabilityMatrix
at http://www.ibm.com/servers/storage/disk/ds8000/interop.html.
Fibre-channel
boot
considerations
for
IBM
pSeries
hosts
This topiclistsfibre-channelbootconsiderationsfor IBMpSerieshosts. Beforeyou planandusefibre-channel,considerthefollowingitems: v Youmust definetherootvgforeach host.
Whenavolumegroup isvariedonline,a reserveisplacedonalldisksinthe group.For rootvg,this groupisnotreleased.Youcannotsharea rootvgvolume betweenhostseven whenyoushutdown allthehostsexceptone.
v Youcancreateonlyonepathto therootvgvolumeduringtheinstallation.
v Ifyouusethemultiboot,scanningforbootable diskstakesmuchlongerwitha
largenumberofaccessiblestorageelementsintheStorageAreaNetwork. v Mirrortherootvolume group(rootvg)
Bymirroringthestorageunitrootvolumegroup, thebase functionalityand reliabilityof theoperating systemfor thestorageunitisnotaffected.
Supported
IBM
RS/6000
or
IBM
pSeries
hosts
for
fibre-channel
boot
This sectionlistssupportedIBMRS/6000orIBMpSerieshostsforfibre-channel boot.
For uptodateinformationabout thehostsfor fibre-channelbootthatIBMsupports, see theInteroperabilityMatrixat
http://www.ibm.com/servers/storage/disk/ds8000/interop.html.
Supported
levels
of
firmware
for
fibre-channel
boot
on
IBM
pSeries
hosts
This topicprovidesinformationaboutthesupportedlevelsoffirmware for fibre-channelbootonIBMpSerieshosts.
For informationaboutthemost up-to-datelevelsoffirmware,goto techsupport.services.ibm.com/server/mdownload/download.html.
Supported
levels
of
fibre-channel
adapter
microcode
on
IBM
pSeries
hosts
This topicprovidessupportedlevels offibre-channeladaptermicrocodeonIBM pSerieshosts.
For moreinformationabouttherequiredlevelofmicrocodefor youradapter,goto http://techsupport.services.ibm.com/server/mdownload
Note: Youmust getthemicrocodefromanIBMWebsite.
Installation
mechanisms
that
PSSP
supports
for
boot
install
from
fibre-channel
SAN
DASD
on
IBM
pSeries
hosts
This topicprovidesinstallationmechanismsforbootinstallfromfibre-channelSAN DASDonIBMpSerieshosts.
You candirecta PSSPto doa bootinstallonanIBMRS/6000SPnodefromthe following items:
v SAN_DISKIDwhichisderivedfromtheworldwideportnameandLUNID
Thisisthepreferredmechanism. v PVID
v HDISK
Support
for
disk
configurations
for
RS/6000
for
a
fibre-channel
boot
install
This sectionliststhemethodsthatyoucanuseto doa diskconfigurationforthe IBMRS/6000for abootinstallfromfibre-channelStorageAreaNetworks(SAN) DASD.
v Mirroredvolume
v Alternatevolume
v Individualvolume
Support
for
fibre-channel
boot
when
a
disk
subsystem
is
attached
on
IBM
pSeries
hosts
This sectionprovidessupportinformationforfibre-channelboot whena disk subsystemisattachedonIBMpSerieshosts.
For alistof opensystemshosts,operatingsystems,adapters andswitchesthat IBMsupports,seetheInteroperability Matrixat
http://www.ibm.com/servers/storage/disk/ds8000/interop.html.
Attaching
to
multiple
RS/6000
or
pSeries
hosts
without
the
HACMP
host
system
This sectionprovidestheinstructionsto attachoneor twostorageunitsto multiple host systemswithouttheHighAvailabilityClusterMulti-Processing(HACMP™) clusteringsolution.
Considerations
for
attaching
to
multiple
RS/6000
or
pSeries
hosts
without
the
HACMP
host
system
This topicprovidesconsiderationsfor attachingto multipleRS/6000 orpSeries hostswithout theHACMPhostsystem.
InstallHACMPto defineandaccessauniquejournaledfilesystem(JFS)filestored onasinglestorageunitfromanyattached hostsystem.
Whenattachingmultiplehostsystemstoa storageunit,considerthefollowing: v Multiplehost systemscannotaccessthesamevolume grouporthesame
journaledfile systemsimultaneously.
v WithoutHACMP,somesystem failuremanagementfeaturessuchasfailover are
notavailable.Therefore,afailureonthestorageunitoranyoneof theconnected hostsystemswillmostlikelyaffect theavailabilityoftheotherconnecteddevices. v Youmust varyonandmountthevolumegroupsandjournaledfilesystemsevery
timeyoustartthesystem.
v Thestorageunitdoesnotallowownershipof volumegroupstomovefromone
systemto another.
v Whenyouusethisprocedure,youcandefinebetween2 -4multiplehost
systems.
Saving
data
on
the
storage
unit
when
attaching
multiple
RS/6000
or
pSeries
host
systems
to
the
storage
unit
You cansavedataonthestorageunitwhenattachingmultipleRS/6000orpSeries host systemstothestorageunit.
Perform thefollowing stepsto preservethedatathatisstoredonastorageunitthat waspreviouslyinstalledandconnectedto ahostsystem.Thisproceduredoes not erase thedataonthestorageunit,butit removesthevolumegroupsfromthehost system:
1. Type umounttounmountallfilesystemsfromallhostsystemsconnectedto the
storageunit.
2. Type fsckoneach ofthefilesystemsonthestorageunitto verifythefile
system integrity.
3. Type varyoffvgto varyoffallthestorageunitvolumegroupsfromallofthe
host systemsconnectedtothestorageunit.
4. Type exportvgtoremoveallofthestorageunitvolumegroupsfromallthehost
systemsconnectedto thestorageunit.
5. Type rmdev -ld hdiskxto deleteall physicalvolumes(hdisks) oneach host
Restoring
data
on
the
storage
unit
when
attaching
multiple
RS/6000
or
pSeries
host
systems
to
the
storage
unit
You canrestoredataonthestorageunitwhenattachingmultipleRS/6000or pSerieshostsystemsto thestorageunit.
This procedureassumesthatyouhavepreservedthedatabyfollowingthe
instructionsin“Savingdata onthestorageunitwhenattachingmultipleRS/6000or pSerieshostsystemsto thestorageunit” onpage91.
1. Check tobesurethatthestorageunitphysicalvolumes(hdisks) areavailable.
Type lsdev -Cc diskto displaythe hdisksonthe hostsystem.
2. Type importvgxxxxwherexxxxisthename ofthevolume groupto restorethe
storageunitvolume groupsto theapplicablehostsystemsthatareconnectedto thestorageunit,onesystem atatime.
3. Type smitchvgto verifythatNoisselectedfor theActivateVolumeGroup
Automatically andAQuorumandof disksrequiredtokeepthevolume group online?
4. Type varyonvgVGnameto vary-onthestorageunit volumegroupsto the
applicable hostsystemsconnectedtothestorageunit.Perform thestepsone system ata time.
5. Type mountto mountthestorageunitvolumegroupsto theapplicable host
systemsthatareconnectedtothestorageunit.Performthestepsonesystem at atime.
6. If youwantto createnew volumegroups,gotostep3 in“Restoringdataonthe
storageunitwhenattachingmultipleRS/6000 orpSerieshostsystemstothe storageunit.”
Running
the
Linux
operating
system
on
an
IBM
pSeries
host
This sectiondescribeshow toattachapSerieshostsystemrunningtheLinux operating systemwithafibre-channeladapter.
Attachment
considerations
for
running
the
Linux
operating
system
on
an
IBM
pSeries
host
ApSerieshost supportstheSubsystemDeviceDriver(SDD)whenusingtheLinux operating system.Thefollowingsectionsprovideinformationthatyouneedto prepareyoursystemfor SDD.You canalsofindinstructionstoinstall andverify SDD.
Storage unitattachmentissupportedeither bydirectlyattachingastorageunitport to thehostadapter,orbyattachingthroughafibre-channelswitch.Youmustspecify theproperattachment topologyusingthestoragespecialist.SelectLoopto indicate directattachment.
Disabling
automatic
system
updates
ManyLinuxdistributionsgiveanadministratortheabilityto configuretheirsystems for automaticsystemupdates. RedHatprovidesthisintheformof aprogramcalled up2date, whileSUSEprovidesit asYaSTOnlineUpdate.Thesefeatures
periodicallyquery forupdatesthatareavailableforeach host,andcanbe
configuredto automaticallyinstallanynew updatesthatit finds.Thisoften includes updates tothekernel.
Hosts thatareattached totheDS8000seriesandrunningtheIBMMultipath