Specifications

Storage Subsystem Guide 13
Supported Storage Subsystems
DriveshelfenclosurescontainingFCdisksanddriveshelfenclosures
containingSATAdisksmaybeconnectedtothesameInfiniteStorage220
storagecontrollerenclosure.Thefollowingconfigurationsaresupported:
•AllSASconfiguration:InfiniteStorage220andupto3driveshelf
expansionenclosureswithSASdrives.
•AllSATAconfiguration:InfiniteStorage220andup
to3driveshelf
expansionenclosureswithSATAdrives.
•MixedSASandSATAconfiguration:Upto3driveshelfenclosures
containingSASorSATAdisksmaybeconnectedtotheInfiniteStorage220
storagecontrollerenclosure,aslongaseachdriveshelfenclosurecontains
onlySASoronlySATAdrives.Youcannot
mixdrivetypeswithinan
enclosure.
The SGI
InfiniteStorage
15000 Controller
Enclosure
Astoragecontrollerenclosure,theInfiniteStorage15000containsdualRAID
controllers,butnodiskdrives.EachRAIDcontrollerhas4RAIDhostports,
and10backendchannels.
TheRAIDcontrollersinanInfiniteStorage15000storageenclosuresupporta
maximumof20enclosures,includingupto20driveshelfenclosures.
The SGI
InfiniteStorage
15000 Drive
Shelf Expansion
Adriveshelfenclosure,whichcanbeconnectedtotheInfiniteStorage15000
storageenclosure.Eachdriveshelfexpansionconsistsofanenclosurefitted
withupto60SASorSATAdisks.
EachdriveshelfexpansionenclosuremaycontainallSASorallSATAdisk
drives,andyoucanmixSASand
SATAdiskswithinadriveshelfenclosureas
longalldisksinaRAIDgroup(LUN)areofthesametype.
DriveshelfenclosurescontainingSASdisksanddriveshelfenclosures
containingSATAdisksmaybeconnectedtothesameInfiniteStorage15000
storagecontrollerenclosure.
Thefollowingconfigurationsaresupportedfor
theInfiniteStorage15000
storageenclosure:
•AllSASconfiguration:InfiniteStorage15000andupto20driveshelf
expansionenclosureswithallSASdrives.
•AllSATAconfiguration:InfiniteStorage15000andupto20driveshelf
expansionenclosureswithallSATAdrives.
•MixedSASandSATAconfiguration:Upto20driveshelfexpansion
enclosuresin
anycombination.Adriveshelfexpansionenclosuremaybe
madeupofallSASdrives,allSATAdrives,oramixofSASandSATA
drives.
ARAIDgroup(LUN)maynotcontainamixtureofdrivetypes.