HP Storageworks Boot From San Manual

1 Boot from SAN
Thischapterdescribesbootsetupproceduresfromastorageareanetwork(SAN)withtherequired
softwareandhardwareusingHPEmulexHBAsorHPQLogicHBAsrunningonItaniumorProliant
Windowssystems.Forthelatestversionofthisdocument,seetheHPstoragewebsite:
http://h18006.www1.hp.com/storage/networking/index.html
Traditionally,HPserversbootoperatingsystemsfrominternalSCSIorIDEstoragedevices.Withthe
supportofexternalbootingfromHPStorageWorksHBAsandRAIDarrays,youhavetheoptionto...

Required hardware and software
ThefollowingtableliststhehardwareandsoftwarerequiredtobootfromaSAN.
Table 3 Required hardware and software
RequirementSupported feature
DatacenterEnterpriseandStandardeditionsof:
•WindowsServer2003forItanium-basedsystems.
•WindowsServer2003withSP1forItanium-basedsystems.
•WindowsServer2003x86/x64.
•WindowsServer2008x86/x64
NOTE:
All operating systems requires the latest supported Microsoft Service Pack.
Operatingsystems
EVA
MSA
XP
RAIDarrays...

RequirementSupported feature
HPEmulex8GbPCI-Expresssingleporthostbusadapter,partnumberAJ762A
HPEmulex8GbPCI-Expressdualporthostbusadapter,partnumberAJ763A
HPEmulexFibreChannelmezzanineHBAforHPp-classsystemsforBL30pG1,BL25p,
BL35p,andBL45p,partnumber394588-B21
HPEmulexFibreChannelmezzanineHBAforHPp-classsystemsforBL20pG3,part
number394757-B21
HPEmulexLPe1105-HP4GbFCHBAforHPc-ClassBladeSystem,partnumber
403621-B21
HPQLogic8GbPCI-Expresssingleporthostbusadapter,partnumberA334A...

Restrictions
ThefollowingsectionsdescriberestrictionsforbootingfromaSAN.
Operating system restrictions
Thefollowingoperatingsystemrestrictionsapply:
MicrosoftWindowsoperatingsystemsrequireaunique,dedicateddiskforbooting.Therefore,each
serverconnectedtoaRAIDarraymusthaveitsowndisk,orlogicalunitnumber(LUN),dedicatedfor
bootingandoperatingsystemfiles.Datacanbeallocatedacrossboththebootdiskandtheremaining
disks.Bootingfromarray-baseddiskpartitionsispossible.
NOTE:
For Windows Server 2003, a crash dump file...

Reconfiguring HBA zoning to avoid time-out conditions
InbootfromSANconfigurationswheretherearemorethantwoEmulexHBAsinthesamezoneas
thebootHBA,atime-outconditionmayoccurwhenthebootHBAinteractswiththenon-bootHBAs,
causingacrash-dumptonotbegenerated.Toavoidtime-outconditions,reconfigurethezoningso
thatthebootinstanceforeachpathisinitsownzone,separatefromtheothernon-bootHBAs.This
mayalsoresultinfasterboot-uptimes.
Server replacement in the event of a server failure...

Working with boot disk partitions
•Beforecreatingabootdisk,youmuststartwithaclean,unpartitionedvirtualdisk.
•CreateaLUNthatisatleast32GBforW2K3and46GbforW2K8.
•WhenbootingfromaRAIDarraythathasothervirtualdisksattachedtootherservers,beaware
thatwhensettingupbootingforthenewserver,theinstallationprogrammaydisplayalistof
partitionsvisibleforloadingtheoperatingsystem.Thedisplaycontainsadiskforeverycontroller
portaccessiblebytheHBA....

Figure 2 Single server, two single-channel HBAs, one switch, cross-cable storage configuration
.
Figure 3 Single server, one HBA, one switch configuration
.
ThefollowingconfigurationsshowninFigure4andFigure5supportSCSIPORTorStorportminiport
drivers.
Figure 4 Single server, two single-channel HBAs, two switches, straight-cable HA storage configuration
.
FibreChannelhostbusadapterssoftwareguideforWindows17 

Figure 5 Single server, two single-channel HBAs, two switches, straight-cable HA storage configuration
.
TheconfigurationshowninFigure6supportsSCSIPORTorStorportminiportdrivers.
Figure 6 Clustered servers, four single-channel HBAs per server, two switches, cross-cable HA storage
configuration
.
Cabling options for dual-channel HBAs
Dual-channelHBAsaretypicallyusedwhenthenumberofserverPCIslotsislimited.Figure7through
Figure12showthecablingoptionsfordual-channelHBAs.
BootfromSAN18 

Figure 7 Single server, one dual-channel HBA, one switch, straight-cable storage configuration
.
Figure 8 Single server, one dual-channel HBA, one switch, straight-cable storage configuration
.
Figure 9 Single server, one dual-channel HBA, two switches, cross-cable storage configuration
.
TheconfigurationshowninFigure10requiresaStorportminiportdriver.
FibreChannelhostbusadapterssoftwareguideforWindows19 

Figure 10 Single server, one dual-channel HBA, two switches, straight-cable HA storage configuration
.
Figure 11 Single server, one dual-channel HBA, two switches, cross-cable HA storage configuration
.
TheconfigurationshowninFigure12supportsStorportminiportdrivers.
BootfromSAN20