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12-11-2019

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Internal ports in an I/O EN4093R that manage several X440 blades with 2 CN4054S each

2019-12-11, 0:17 AM

Hello 

I this is my first time with Lenovo. I have to install and setup this hardware:
 
  •  Flex system enterprise Chassis (8721).
  • 6 x Flex System X440 to be installed in bays 1-2, 3-4, 5-6, 7-8, 9-10 and 11-12.
  •  Each X440 has 2x Emulex CN4054S to be installed in slots 1 y 3.
  • The Chassis also will have installed 2x Flex System Fabric EN4093R 10Gb Scalable Switch, to be installed in bays 1 y 2. (base firmware (not upgraded))
I know that:
Each I/O card has 42x 10 Gb Ethernet ports (in my case  licensed 14x internal & 10x external or with flexible port mapping for 24x 10 GbE ports).
 
Ports 1 & 3 of the I/O adapter installed in slot1 (and slot3) in the compute node correspond to  I/O module bay 1 in the chassis 
 
Ports 2 & 4 of the I/O adapter installed in slot1 (and slot3) in the compute node correspond to  I/O module bay 2 in the chassis.
 
 
Then my questions are:
 
  1. For the I/O module (EN4093R) in the bay 1 that will handle six X440 blades. How/what is the corresponding internal ports (by defeult) in the EN4093R for the traffic from X440 computer node bay 1-2 and then for the X440 in bays 3-4 and so (for the 6 blades)?.
 
(I think this is the same question)
  1. For Ports 1 & 3 of the I/O adapter installed in slot1 in the compute node installed in bay 1-2,  what are the internal ports in EN4093R (bay1) and what are the internal ports in the same I/O module  for  Ports 1 & 3 of the I/O adapter installed in slot3 in the same  compute node (installed in bay 1-2)?
  2. The same question for computer note installed en bay 3-4, 5-6, 7-8, 9-10, 11-12.
  3. Are the internal ports  identical in  EN4093R in bay1 and bay2?
 
 
Thanks
fermaf
 
BTW.
 
I have checked information in:
  1. Flex System Enterprise Chassis Product Guide
  2. Lenovo_Flex_System_X440_Product_Guide
  3. Emulex CN4052S and CN4054S 10Gb VFA5.2 Adapters for Flex System Product Guide.
  4. Lenovo Flex System Fabric EN4093R 10Gb Scalable Switch Product Guide.
  5. Lenovo Flex System EN4093R 10Gb Ethernet Scalable Switch
    Application Guide.
  6. Lenovo Flex System EN4093R 10Gb Ethernet Scalable Switch
    Installation Guide
  7. Flex System Chassis Management Module User's Guide.

 

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300 Posts

03-31-2015

US

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Re: Internal ports in an I/O EN4093R that manage several X440 blades with 2 CN4054S each

2019-12-11, 0:52 AM

Hello,

 

The server bay numbers equate to the INT port numbers in the switches and will use the same port numbering on each switch. For example, an x440 node in bays 1 and 2 with a dual port NIC in mezz slots 1 and 3, would use ports INTA1 and INTA2 on switches in bays 1 and 2. The same server moved to server bays 9/10 would use switch ports INTA9 and INTA10 on switch bays 1 and 2.

 

The following represents example of the specifics for your environment (x440, quad port NICs on mezz slots 1 and 3, and switches in

bays 1 and 2, with no upgrade license on the switches)

 

! ==============================================================================

An X440 node in server slots 1 and 2, and a quad port NIC in mezz slots 1 and 3, and switches in I/O bays 1 and 2 with no upgrade license applied

Mezz slot 1

NIC1 -> switch bay 1, INTA1

NIC2 -> switch bay 2, INTA1

NIC3 -> switch bay 1, INTB1 (not connected if no upgrade or port remap)

NIC4 -> switch bay 2, INTB1 (not connected if no upgrade or port remap)

Mezz slot 3

NIC1 -> switch bay 1, INTA2

NIC2 -> switch bay 2, INTA2

NIC3 -> switch bay 1, INTB2 (not connected if no upgrade or port remap)

NIC4 -> switch bay 2, INTB2 (not connected if no upgrade or port remap)

! ==============================================================================

An X440 node in server slots 3 and 4, and a quad port NIC in mezz slots 1 and 3, and switches in I/O bays 1 and 2 with no upgrade license applied

Mezz slot 1

NIC1 -> switch bay 1, INTA3

NIC2 -> switch bay 2, INTA3

NIC3 -> switch bay 1, INTB3 (not connected if no upgrade or port remap)

NIC4 -> switch bay 2, INTB3 (not connected if no upgrade or port remap)

Mezz slot 3

NIC1 -> switch bay 1, INTA4

NIC2 -> switch bay 2, INTA4

NIC3 -> switch bay 1, INTB4 (not connected if no upgrade or port remap)

NIC4 -> switch bay 2, INTB4 (not connected if no upgrade or port remap)

! ==============================================================================

An X440 node in server slots 11 and 12, and a quad port NIC in mezz slots 1 and 3, and switches in I/O bays 1 and 2 with no upgrade license applied

Mezz slot 1

NIC1 -> switch bay 1, INTA11

NIC2 -> switch bay 2, INTA11

NIC3 -> switch bay 1, INTB11 (not connected if no upgrade or port remap)

NIC4 -> switch bay 2, INTB11 (not connected if no upgrade or port remap)

Mezz slot 3

NIC1 -> switch bay 1, INTA12

NIC2 -> switch bay 2, INTA12

NIC3 -> switch bay 1, INTB12 (not connected if no upgrade or port remap)

NIC4 -> switch bay 2, INTB12 (not connected if no upgrade or port remap)

! ==============================================================================

 

Hope this helps.

 

Thanks, Matt

 

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5 Posts

12-11-2019

CL

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  • Message 3 of 4

Re: Internal ports in an I/O EN4093R that manage several X440 blades with 2 CN4054S each

2019-12-12, 12:18 PM

Hello Matt

Thank you for you quick and complate reply, It's very clear and now I can understand better the way the ports are assigned.

In your reply for my case example, if I want (need) to use INTB1 (and INTB2....).
EN4093R(config)#no boot port-map EXT5   <----- (EXT5 is just a free port available (not will be used))

EN4093R(config)#boot port-map INTB1 EXT5  <---- now available for my case. 

.

.

.

(the same for INTB2, and so..)

 

Second question. Once port mapping is done:
The above command (boot port-map INTB1 EXT5 & boot port-map INTB1 EXT5 ) are (I guess) saved just in memory.  How the configuration is save permanently?, 

 

 

Regards

 

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Re: Internal ports in an I/O EN4093R that manage several X440 blades with 2 CN4054S each

2019-12-12, 12:38 PM

Hello,

 

Some comments:

1) In 7.X code and early 8.X code, making these changes requires a reload to take effect. Starting in 8.3.9 and newer, making these changes happens in real time (no need for a reload). Use the command "show boot port" to see the current mapping, and if any reload is needed to take effect 

2) These configs are not stored in the running config, but rather in a separate boot variable (like other boot settings, such as what image to boot next (see "show boot")). So you do not need to save the running config when making these port mapping changes. Just by running the commands they are saved in the boot area of variables.

3) In some versions of code you can not use a range of ports, but must do them one at a time. Not sure if this has changed or not, but if the command is rejected when doing more than one port at a time, do one part at a time instead.

4) In the second line of your example, you show "boot port-map INTB1 EXT5". to license INTB1, Do not include the EXT5 at the end. So your example to de-license EXT5 and map its license to INTB1 should look like this:

EN4093R(config)#no boot port-map EXT5
EN4093R(config)#boot port-map INTB1

And again, confirm the settings with "show boot port"

 

Hope this helps.

 

Thanks, Matt

 

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