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Can LRC / ESH / ESH2 / ESH4 / AT- FCX be mixed in the same loop?
KB ID: 3012392 Version: 4.0 Published date: 01/18/2011
Answer
Mixing AT-FCX and ESH2 shelves on the FAS3000 Series filerCan DS14mk2-AT and DS14mk2-FC shelves be mixed in the same loop?Can AT-FCX and ESH2 modules exist in the same loop?Can ESH, ESH2, and ESH4 modules exist in the same loop?Can AT, AT-FC2, and AT-FCX modules exist in the same loop?Can IOM3 and IOM6 modules exist in the same storage stack?Can IOM modules be mixed with AT-FCX?What cables do I need to connect my disk shelves?
ATA storage uses the AT-FCX modules. Fibre Channel storage uses the LRC, ESH, ESH2 or ESH4 modules. SAS storage uses IONetApp storage controllers:
Storage Controller Fiber Channel ATA SAS
FAS270 Yes Yes No
FAS900 series Yes Yes No
FAS2020 Yes Yes No
FAS2040, FAS2050 Yes Yes Yes
FAS3020, FAS3050 Yes Yes No
FAS3040, FAS3070 Yes Yes Yes
FAS3100 series Yes Yes Yes
FAS3200 series Yes Yes Yes
FAS6000 series Yes Yes Yes
NetApp Knowledgebase - Can LRC / ESH / ESH2 /... https://kb.netapp.com/support/index?page=conten...
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Note: Always consult the Systems Configuration Guide to ensure that the shelf module is supported in the storage appliance's v
The Data ONTAP System Configuration Guide (http://now.netapp.com/NOW/knowledge/docs/hardware/NetApp/syscfg/) contains additional information on the maximappliance.
Adding Expansion Shelves to the FAS270The FAS270 Storage Appliance has some specific requirements when mixing Fibre Channel and ATA drives:
If no expansion shelf is attached to port 0b on the FAS270, either a DS14mk2-FC (with ESH2/ESH4 modules) or a DS14mk2If a DS14mk2-FC expansion shelf with ESH2 or ESH4 modules has been attached to 0b on the FAS270, a DS14mk2-AT shelfIf a DS14mk4-FC expansion shelf with ESH4 modules has been attached to 0b on the FAS270, a DS14mk2-AT shelf with AT-If a DS14mk2-AT expansion shelf with AT-FCX modules has been attached to 0b on the FAS270, neither a DS14mk2-FC sheladded.
The Data ONTAP System Configuration Guide (http://now.netapp.com/NOW/knowledge/docs/hardware/NetApp/syscfg/) contains additional information on the maximappliance.
Note: Always consult the Systems Configuration Guide to ensure that the shelf module is supported in the storage appliance's v
Mixing LRC with ESH, ESH2, ESH4, or AT-FCX in the same loopThe LRC module is supported in the DS14 and DS14mk2-FC shelf. However, shelves containing LRC modules cannot be in the scontaining LRC modules cannot be in the same FC-AL loop with shelves containing AT-FCX modules.
Mixing ATA and Fiber Channel in the same loopYou cannot mix DS14mk2-AT and DS14mk2-FC disk shelves in the same loop. Therefore, you cannot have LRC/ESH/ESH2/ESH4
Mixing IOM3 and IOM6 in the same storage stackThe IOM3 module is supported in the DS4243 shelf, and the IOM6 is supported in the DS2246 shelf. These two modules are nobe cabled together in the same storage stack, i.e. connected to the same SAS adapter on the storage controller.
Modules Supported in Each type of ShelfThe following chart shows which modules can be used in the various shelf types:
LRC ESH ESH2 ESH4 AT-FC AT-FC2 AT-FCX IOM3 IOM6
DS14 X X
DS14mk2-FC X X X X
DS14mk2-AT X X X
DS14mk4-FC X
DS4243 X
DS2246 X
Note: Use the Systems Configuration Guide to verify the shelf modules are supported in the storage appliance's version of Data
ESH / ESH2 / ESH4 CompatibilityESH, ESH2, and ESH4 modules may all be mixed in the same loop. All three modules may be used in the DS14-mk2 shelf. How
Only one type of I/O module can exist within a single shelf.ESH4 modules cannot be used in the DS14 shelf.ESH and ESH2 modules cannot be used in the DS14mk4-FC shelf.If ESH4 modules are mixed in the same loop as ESH and/or ESH2 modules, the loop cannot operate at 4 Gbps.Note: To achieve the 4Gbps throughput, it is advisable to configure the FC-AL loop to contain only ESH4 modules in DS14mIf ESH2 and/or ESH4 modules are mixed in the same loop as ESH modules, the loop can operate at 2 Gbps if all shelves in thconditions are not met, the loop will operate at 1 Gbps.Note: If the shelf speed needs to be changed from 1 Gbps to 2 Gbps on the DS14mk2-FC or DS14mk4-FC shelf, the shelf musense the loop speed only at power-up.To mix ESH and ESH2 in the same loop, the ESH modules must be running FW94 or later, and the ESH2 modules must be r
AT-FC / AT-FC2 / AT-FCX Compatibility
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AT-FC, AT-FC2, and AT-FCX modules may all be mixed in the same loop. However, to mix them in the loop, the storage controlle
R150: Supports AT-FC and AT-FC2 modulesR200: Supports AT-FC, AT-FC2, and AT-FCX modulesFAS270, FAS3000, and FAS6000: Supports only the AT-FCX module
Only one type of I/O module can exist within a single shelf.
Parts Needed to Connect Disk Shelves
The physical adapters used on the storage controllers and shelf modules vary depending on the model. The following chart show
MODULE PART # SPEED CONNECTORTYPE
DESCRIPTION PHOTO
LRC SP-5501A 1GbIN Port: DB9OUT Port:DB9
For use inshelves otherthan the firstshelf in theloop or for usewith filerswhose storageadapters arecopper HSSDC
LRC SP-5502A 1Gb IN Port: SCOUT Port:DB9
For use in thefirst shelf forfilers whosestorageadapters areoptical (LC)
ESH X5506A(http://now.netapp.com/eservice/partDetails.do?partNumber=X5506A&productId=30537&rohsCompliant=No)
1 Gb 2 Gb
IN Port: LCOUT Port:HSSDC2
For use only inthe first shelf inthe loop.
ESH X5505A(http://now.netapp.com/eservice/partDetails.do?partNumber=X5505A&productId=30536&rohsCompliant=No)
1 Gb 2 Gb
IN Port:HSSDC2 OUT Port:HSSDC2
For use inshelves otherthan the firstshelf in theloop
ESH2 X5511A(http://now.netapp.com/eservice/partDetails.do?partNumber=X5511A&productId=39945&rohsCompliant=No)
1 Gb 2 Gb
IN Port: SFPOUT Port:SFP
If used in thefirst shelf, anX6529-R6 (2Gb) orX6539-R6(1/2/4 Gb) SFPis needed tomake the INport optical(LC).
ESH4 X5512A-R5(http://now.netapp.com/eservice/partDetails.do?partNumber=X5512A-R5&productId=65138&rohsCompliant=R5)
1 Gb 2 Gb 4 Gb
IN Port: SFPOUT Port:SFP
An X6539-R6(4Gb) is neededto make theport optical(LC) and toensure the loopoperates at4Gb. If the
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ESH4 isinstalled in amixed loop, anX6529-R6(2Gb) may beused to makethe IN portoptical, but thiswill restrict theloop to amaximum of2Gb.
AT-FC X5611A(http://now.netapp.com/eservice/partDetails.do?partNumber=X5611A&productId=36235&rohsCompliant=No)
1 Gb 2 Gb
IN Port: LCOUT Port:HSSDC2
If used in thefirst shelf in theloop.
AT-FC X5610A(http://now.netapp.com/eservice/partDetails.do?partNumber=X5610A&productId=30816&rohsCompliant=No)
1 Gb 2 Gb
IN Port:HSSDC2 OUT Port:HSSDC2
This cannot beused in the firstshelf in theloop.
AT-FC2 X5613A(http://now.netapp.com/eservice/partDetails.do?partNumber=X5613A&productId=50961&rohsCompliant=No)
1 Gb 2 Gb
IN Port: SFPOUT Port:SFP
If used in thefirst shelf, anX6529 isneeded to makethe IN portoptical (LC).
AT-FCX X5612A-R5(http://now.netapp.com/eservice/partDetails.do?partNumber=X5612A-R5&productId=60550&rohsCompliant=R5)
1 Gb 2 Gb
IN Port: SFPOUT Port:SFP
If used in thefirst shelf, anX6529-R6 isneeded to makethe IN portoptical (LC). An X6539-R6SFP (4 Gb) mayalso be used,but the SFP willonly operate at2Gbps.
IOM3 X5712A-R6 3Gb
IN Port: QSFPOUT Port:QSFP
If used in thefirst shelf witha FAS2050, theX6543A-R6(MiniSAS-QSFP)cable must beused.
IOM6 X5713A-R63Gb6Gb
IN Port: QSFPOUT Port:QSFP
If used in thefirst shelf witha FAS2050, theX6543A-R6(MiniSAS-QSFP)cable must beused.
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The following cables are needed to connect the storage controllers and shelves:
CONNECTION PART NUMBER SPEED DESCRIPTION PHOTO
FAS270 > ESH
ESH > ESH2
X6531-R6(http://now.netapp.com/eservice/partDetails.do?partNumber=X6531-R6&productId=55383&rohsCompliant=R6)
0.5M HSSDC2 > SFP cable
FAS270 > ESH
ESH > ESH2X6533-R6 3M HSSDC2 > SFP cable
R200 -> AT-FC,AT-FC2, orAT-FCXFAS3000 ->ESH, ESH2, orAT-FCXFAS6000 ->ESH, ESH2, orAT-FCX
X6524-R6(http://now.netapp.com/eservice/partDetails.do?partNumber=X6524-R6&productId=55340&rohsCompliant=R6)
1 Gb 2 Gb
2M 2xLC -> 2xLC OpticalCable pair
R200 -> AT-FC,AT-FC2, orAT-FCXFAS3000 ->ESH, ESH2,ESH4, orAT-FCXFAS6000 ->ESH, ESH2,ESH4, orAT-FCX
X6518A-R61 Gb 2 Gb 4 Gb
5M LC -> LC Optical Cable
ESH2 > ESH2
ESH2 > ESH4
AT-FCX >AT-FCX
X6530-R6(http://now.netapp.com/eservice/partDetails.do?partNumber=X6530-R6&productId=55381&rohsCompliant=R6)
1 Gb 2 Gb 4 Gb
0.5M SFP -> SFP cable(Operates at 1, 2, and 4 Gb)
X6556-R61 Gb 2 Gb 4 Gb
5M SFP -> SFP cable(Operates at 4/2/1 Gb)
ESH2 -> ESH2AT-FCX ->AT-FCX
X6532-R61 Gb 2 Gb
3M SFP -> SFP cable(Operates at 1 and 2 Gb)
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ESH > ESHX6526 (http://now.netapp.com
/eservice/partDetails.do?partNumber=X6526&productId=22995&rohsCompliant=No)
3m HSSDC2 > HSSDC2copper cable
FAS270onboardadaptersFAS3020,FAS3050onboardadaptersFAS6030,FS6070onboardadaptersAT-FC2 moduleAT-FCX moduleESH2 module
X6529-R6(http://now.netapp.com/eservice/partDetails.do?partNumber=X6529-R6&productId=55379&rohsCompliant=R6)
1 Gb 2 Gb
SFP 2/1 Gb with SFP to LCConnectors
FAS2000onboardadaptersFAS3040,FAS3070onboardadaptersFAS3100 seriesonboardadaptersFAS6040,FAS6080onboardadapters
ESH4 module
X6539-R6(http://now.netapp.com/eservice/partDetails.do?partNumber=X6539-R6&productId=63322&rohsCompliant=R6)
1 Gb 2 Gb 4 Gb
SFP 4/2/1 Gb with SFP to LCconnectors Note: This SFPwill only operate at 4 Gb ifall components in the FC-ALloop are capable of 4 Gboperation.
Filer withOptical HBA >LRC
X6515A 1Gb 5M Optical Cable, LC/SCEnds
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Filer with DB9HBA > LRC LRC> LRC
X2031A 1Gb DB-9/DB-9 Cable
ESH4 > ESH4 X6518A-R61 Gb 2 Gb 4 Gb
5M cable(Cable,Optical,LC/LC,5M,R6)
IOM3 > IOM3IOM6 > IOM6FAS2040 >IOM3 or IOM6FAS3040 >IOM3 or IOM6FAS3070 >IOM3 or IOM6FAS3100 >IOM3 or IOM6FAS3200 >IOM3 or IOM6FAS6000>IOM3or IOM6
X6557-R63 Gb6 Gb
0.5M SAS copper cable,QSFP-QSFPNote: This cable will operateat 3 Gb when connected toan IOM3, used in a storagestack connected to theFAS2040 or FAS2050. Whenconnected to the IOM6 or allother supported storagecontrollers, the cable willoperate at 6Gb
X6558-R63 Gb6 Gb
2M SAS copper cable,QSFP-QSFPNote: This cable will operateat 3 Gb when connected toan IOM3, used in a storagestack connected to theFAS2040 or FAS2050. Whenconnected to the IOM6 or allother supported storagecontrollers, the cable willoperate at 6 Gb.
FAS2050 >IOM3 or IOM6
X6543A-R6 3 Gb2M SAS copper cable,MiniSAS-QSFP
The NetApp Parts Finder (https://now.netapp.com/eservice/searchParts.do?moduleName=PartsFinder) contains additional information on spare parts and parts details.
Related links
NetApp NOW Parts Finder (https://now.netapp.com/eservice/searchParts.do?moduleName=PartsFinder)
Data ONTAP System Configuration Guide (http://now.netapp.com/NOW/knowledge/docs/hardware/NetApp/syscfg/)
If you need further assistance, post a question in the NetApp Support Community (https://forums.netapp.com/community/support) .
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