UCS connection to SAN switches

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• Cisco 6248 FI to Brocade 6510 SAN switch shows Link Down

  Hi all

  His new installation of Cisco UCS with Brocade SAN switch 6510.

  I followed the Cisco UCS to Brocade connectivity Guide.

  Even if the switch side so FI link is not coming. No lights are glowing.

  When I checked the switchshow @Brocade 6510, ports are No_Light status display. Where in other ports, it indicates the number of my storage device WWN.

  At the END, when I click on ports CF, its projection on all State - link down.

  Any who are facing this problem. ?

  Am I missing some configuration steps?

  Kind regards

  Praveen

  This should be a trivial or a very complex problem. I'd rather commonplace.

  Brocade is a CF 16 G switch; up to 8 G negotiation seems to work (storage subsystem).

  Maybe you could try to set the speed on the Brocade 8G port fix!

  Or something with the cables is wrong? Send / receive Crusaders?

  Are shortwave of the MMF SFP? cables connection as well?

  Connect cable from port for example. 31-33, 32 to 34 and see if it works?

• FI6248 FC connectivity with MDS SAN switches problem

  Hello

  We have two FI6248 in a cluster must be connected to two MDS SAN switches, using FC ports.

  However, I am not able to configure the ports on the FI.

  There is no "Set up as FC storage Port" option. I don't see what "configure as FCoE storage Port."

  I have the FC SFP (DS-SFP-FC8G - SW--> 8 Gbps Fibre Channel SW SFP +, LC) installed on the two FI6248 on the first 16 ports.

  No idea what is the problem?

  Kind regards

  The 6248UP unified ports.  The ports can be configured as Ethernet Ports or FC ports.  By default, all ports are of type Ethernet.  The ports that you configure is currently an Ethernet port.  You need config of the ports as FC ports.  Ethernet ports will be on the left side of your FI and FC ports will be on the right side.

  The following link explains how to convert a port UP Ethernet CF.  Since it's on your FI and not a plug-in, you have to restart the FI in last step.

  Configuration of the Port Modes for a fabric interconnect 6248

  http://www.Cisco.com/en/us/docs/unified_computing/UCS/SW/GUI/config/Guide/2.0/b_UCSM_GUI_Configuration_Guide_2_0_chapter_0101.html#task_3161F8BE44DA49F6BA9068A5D7594A6C

  Thank you

  Responsible Dan

  Need help with implementation?

  http://www.Cisco.com/go/pdihelpdesk

• Connect FI two directly attach FCoE storage and SAN switches

  Nobody tells me if I can connect FI two directly attach FCoE and SAN storage switches also, as you can see in the diagram of connected network?

  If so, should I FC Switch function Mode? Any concerns should I consider?

  Or the best solution would be appreciated. Thanks in advance.

  The UCS will be in Switch Mode FC, which means that it has a default area.  We cannot make a Zone merge with Brocade because we have no control to set up specific items such as domain and other articles CF IDS that need to be changed when you connect a Cisco FC switch to a Brocade.

  Usually in this situation with a 5 k or a MDS you might be placed in mode of interoperability, which changes the default settings and we will talk to them together - in this case, you can't change these settings, so the only supported configuration is CF Cisco at Cisco.

  See you soon,.

  Greg Scarlett.

• UCS Fiber Channel FI for San switch wiring & config

  My question is about the correct wiring & vSAN configuration by the UCS FI switch San (Cisco MDS).

  Currently my wiring is as follows:

  Fi1 port 25 - SW1 port 3

  Fi1 port 26 - SW2 port 3

  Fi2 port 25 - SW1 port 4

  Fi2 port 26 - SW2 4 port

  On the side of the switch San, our guys of storage configured vlan10 SW1 and SW2 as vlan20. For this reason, I was not able to have a vSAN by FI, I read is recommended, because the VLAN switch cross FIs. Now, when I created vHBAs I have 4 vHBAs per server, 2 by IFS by vlan if I want redundancy with a switch or a loss of FI.

  Question: Is this the correct configuration on the side of the SAN switch? Do I actually create 4 vHBAs per server? I do not have my incorrect wiring & I should just be linking FI1 to SW1 on two ports & FI2 to SW2?

  Help or advice would be appreciated!

  ~ Tara

  Hi Tara,

  There are two ways of wiring of your SAN infrastructure.  It boils down to a design decision. Traditionally the SAN admins prefer to keep their separate/isolated tissue.  In this design THAT MDS-1 only connect to FI - A and MDS-2 would connect only to the FI - B.

  Another option is to connect each MDS at each END.  This gives each FI SAN fabric access and allows to create double VSANS (that exists on each FI) rather than separate them.

  You don't need four vHBAs by UCS Server - some adapters support no more than two in any case.   What you do is create two vHBA by the Service profile, each host will have access both to VSAN 10 and 20.  What you can do is to shift your tissue of vHBA while 1/2 access your Service VSAN 10 via FI - profiles and the other half access VSAN 10 FI - B.  This will help to distribute the load accordingly.

  E.g.

  First 1/2 of SPs

  vHBA0 - VSAN10 - fabric-A

  vHBA1 - VSAN20 - fabric-B

  1/2 second of SPs

  vHBA0 - VSAN20 - fabric-A

  vHBA1 - VSAN10 - fabric-B

  As you can see a bit of a manual balancing can act.  The best scenario would be to isolate (re-cable) to your network SAN fabrics according to the traditional SAN design above.

  Kind regards

  Robert

• Configuration of Nexus 5 k for SAN switching between UCS 6100 s and NetApp storage

  We strive to get our configuration of the UCS environment make start SAN LUN on our NetApp storage. We have a pair of Nexus 5Ks with the company / SAN license on them and the 6-port FC module. What to do to configure Nexus 5000 to operate as the SAN switch between the target storage and environment of the UCS?

  You see the 6120 WWPN on the N5Ks? What is the result of 'show flogi database' and 'show int br '.

  You have mapped the FC ports on the 6120 for the proper VSAN?

  NPIV is enabled?

• Details of port SAN Switch of vSphere or ESXi

  The way I see my network switch name & port details to which my ESXi network cards are connected via CDP.

  With the help of vSphere or ESXi command in any case I can check SAN switch of details in the SAN switch name & ports Details to which my ESXi storage HBA cards are connected?

  They are Cisco MDS 9513 SAN switches, you know a plugin or a way to see who?

  Yes, using the plugin VIEW, take a look: Cisco DCNM rocks | Jeremy Waldrop & #039; s Blog

• Design of San switch

  Hi experts,

  I SAN switch 6505 and HUS110 connect together.

  But I do not know how to design what is best to connect the wires in the form of images.

  Everything that can be suggested to me that is the best way to choose (method1 or methode2)

  Best regards

  Basically, I prefer Method1. However, you should always check the storage documentation from the provider for supported configurations and best practices!

  André

• activity maintaiance for SAN switch

  Dear team,

  our storage has informed us that these people are planning activity enjoyed in the weekend next, SAN both switches are in redundant mode so no impact of the UPS
  activity on the availability of the San. However ask you to check it out on the side of VMware so all the virtual machines are configured for multipath & are not dependent on the only network SAN
  switch to access the storage.

  all the SAN data store have 4 path (a path is active I/O and rest 3 paths are active. PSP is fixed)

  I just want to confirm if a switch goes down then esxi will automatically route the redundant traffic available SAN switch or do I need manual intervention to route traffic to redundant SAN switch.

  concerning

  Mr. VMware

  
  

  You must confirm if the 4 paths to LUN are in different tissues, cause maybe you feel peckish 4 paths as a single fabric, and if the switch of this fabric must be down you will lose access to the storage system.

  You have two HBA? Each connected to a different switch?

  If you find that your 4 paths in different fabrics and each HBA has access to all the controller storage system processor, you can safety put down one of fabric and ESXi will be managing the paths downwards.

• Paths always down after returning from a SAN switch at the service

  I had a problem where electricity is cut to one of my SAN switches.  Everything continued to work because all the hosts and storage are connected to a second switch SAN.

  Now that powered the SAN switch back on all paths through the SAN switch are still displayed as out of service.  If I reboot a crowd she restores all of its path through two switches SAN so there is nothing wrong with the zoning on the switch.  I see that the ESXi host host bus adapters connected to the SAN switch, even without reboot, when I do a switchshow (using Brocade switches) and I see that the configuration is correct.

  I tried a new analysis of the HBA, and this removes the paths through the HBA that is connected to the switch that loses power!

  I tried to reset the HBA to get to do a reset of the LIP by publishing: -.

  esxcli fc san storage reset - a < hba >

  for example

  esxcli fc san storage reset - a vmhba1

  and tried to change the State of the railways in assets with

  esxcli storage path together - State = active - path < path-runtimename >

  for example

  esxcli storage path together - State == active - path vmhba1:C0:T1:L1

  None of them have helped and I don't want to resort to restart the host, there must be a better way to bring these paths.

  I use ESXi 5.5 build 1474528.  Want to really upgrade to update 1 immediately.

  I have the advanced of that setting Misc.apdhandlingenable set to 1 and Misc.APDTimeout value 140.  The switch would have been off for more than 140 seconds.  I could try to set Misc.APDHandlingEnable to 0 and simulate the failure once again, but I'm not sure I want to do this because I remember issues with ESX(I) 4.x hosts becoming disconnected from vCenter following situations of CCA.

  Any suggestions?

  I followed it down to the driver used by the Fibre Channel adapter.  I had to update 10.0.100.1 - vmw.550.0.0.1331820 10.0.725.203 - 1OEM.550.0.0.1331820.

  The hosts have been using Adapters Emulex LPe16000 (IBM rebadged in an IBM Flex System).  See 5.5 ESXi hosts don't restore not path storage from the SAN switch failure. Computer services Pelicano so all the details.

• ESX 3.5 connected to SAN

  Is someone can you please inform me how I connect to SAN?

  I have VirtualCenter with two hosts running ESX 3.5 but I like to communicate with the San to the storage.

  I already plug 2 HBA cards (model: HP FC1243 4 GB). any driver software must be installed on the ESX?

  Any advice would be much appreciated.

  Thank you.

  Hello!

  Well, there are a few steps that might involve a large number of details according to your SAN (including switches and storage devices).  Oh, and do you mean FC SAN or iSCSI?

  If you mean SAN CF, then the basic scheme is

  • Material orders (HBAS, cables, switches, storage device) which it souinds like you could have done.

  • Change the zoning.  Most people seem to agree on the areas with a single initiator, meaning that each HBA port is an area with this port HBA WWPN and the WWPN storage device it should see.

  • Create LUNS.

  • Map/mask/unmask or otherwise present LUNS to the initiator which may involve initiating creation of groups or some other combination of server WWPN to allow them to see the LUNS and also assign a LUN ID.

  • Rescan in ESX (click in the VI Client Server-> Configuration-> storage-> Rescan adapters), or the CLI with esxcfg-rescan < vmhba # >

  • Create a VMFS (on a single server) by clicking on the server-> Configuration-> storage-> Add storage and follow the instructions of the wizard

  • A new analysis on the other servers and they should all see the same VMFS

  For more information, see http://www.vmware.com/pdf/vi3_35/esx_3/r35u2/vi3_35_25_u2_san_cfg.pdf and docs of your SAN provider.

  For iSCSI, there are a few extra steps such as the establishment of a VMkernel port, allowing the initiator (for SW), adding targets that are all covered here http://www.vmware.com/pdf/vi3_35/esx_3/r35u2/vi3_35_25_u2_iscsi_san_cfg.pdf

  If you have NetApp, start here: http://www.netapp.com/us/library/technical-reports/tr-3428.html

  Enjoy!

  Peter

• OK to mix 'of connection to the switch"and"close relay switch?

  Hi all

  I'm developing a test sequence using the card multiplexer 2527 to the track signals.  To configure the card, I use DAQmx switch functions.  In my application, I have a Subvi routine that imports the data from a spreadsheet Setup and run a loop for to set the configuration for each step (each iteration of the loop contains the channel for 2527 card information).  The topology is set on the first iteration, as well as the configuration of the path to the first string.

  My concern is this: I need to close the extra channels/relays without changing the topology or resetting the device.  In the first round, I use "connection to the switch" function to set the initial path, (ch0 to com0 for example).  Then in subsequent iterations of the loop, I use "Relay close switch" function to close the additional channels individually (for example k2).  In the end, when the measure is taken, both ch0 ch2 must be closed and routed to com0.  This implementation is so sure, or am I somehow to make the adjustments to the initial loop?

  I would like to test this with the hardware, but it is not yet available.

  Also, I realize that I could use independent topology and configure all relays individually for each step, but I hope that my approach will be easier and safer.

  Please notify.  Thank you.

  GSinMN

  Hello GSinMN,

  It's OK to mix 'of connection to the switch"and"Close relay switch"If you understand what's happening below. "Switch Connect" connects two channels by closing a path of relay between the channels, then "Close relay switch" can be used to change the State of the individual relays. If you are not careful you can mess up your connection by activating / deactivating relays that are part of the route connecting your channels.

  "Also, I realize that I could use independent topology and configure all relays individually for each step, but I hope that my approach will be easier and safer."

  I would recommend the topology independent if you want to stick with connections to channels only. http://zone.NI.com/reference/en-XX/help/375472G-01/switch/2527_independent/

  Initial connection:

  CH0-> pcom0

  pcom0plus-> icom0plus

  pcom0minus-> icom0minus

  icom0-> com0

  In each future iteration just connect to the next to pcom0 channel (which will be indirectly connect it to com0):

  CH1-> pcom0

  CH2-> pcom0

  ...

  ...

  Jarrod

• EA6500 only shows no device connected to the switch of working group 5 ports

  I just replaced a defective Linksys e4200 with an ea6500.  After assistance by phone, I got to the top and work, but only one computer on my LAN is not displayed.

  I connected an 8 port 10/100 switch Linksys my 4200, and my wife's computer was connected to that.   The computer displays the IP as 192.168.1.133 and it is connected to the internet with my router again.  But the ea6500 does not show a device with the ip address.  Instead, he shows what he calls a network with the IP 192.168.1.130 device.

  How can I see the devices connected to the switch 5 ports and determine which ip addresses, they have been assigned?

  I use a switch with my network with a router EA and it shows the devices correctly. Turn off the computer which does not appear in the list of devices and check to see if any device will appear as offline adter who. Remove from the list of devices, and then restart the router. Once the router is ready, open the page of the router again and turn on the computer and check if it will be detected correctly. I hope this helps.

  Edit: Check and make sure you have the latest firmware loaded. Otherwise, update the firmware and do a reset after the update of the firmware. Check your list of devices after that.

• How to connect two network switches Force10 S4810P

  Hello world

  We just bought two S4810P Force10 network switches and we want to install on two adjacent brackets. They will be used to interconnect computing and NAS storage, installed in two baskets serving mainly local connections.

  We intend to use ports QSFP + to connect the two switches, and I have two questions.

  1. hardware configuration: what are the best transceivers and cables to use in this case?

  2. configuration of the software: should we use stacking or virtual link trunking? the information I've read so far does not give me a definitive answer.

  Thank you very much in advance for your help!

  The server room is already has some inside wiring? If so it be a transceiver that will percolate pre-existing cables. There are also some direct attach cables ranging from 0.5 m to 50 m. Here is an example of a cable direct attach: http://dell.to/23huDl7

  the best course of action would be to contact your sales representative and let them know what your needs are. They can get you city for right connection hardware.

  the VLT and stack the two have the same goal of redundancy, but go about it in different methods with different warnings warning for both. In both scenarios, the redundancy is dependent on each device connection linking the two switches. If you do not do this, then it may be better to let the independent switches. Here is a good blog that compares the VLT and stacking.

  http://bit.LY/1J8nI1Y

  I hope this helps.

• Connect the redundant switch

  Hello

  I have several Dell 2724 switches that I would like to set up redundantly.

  I joined two 2724 s with a trunk. I would now like to connect the access switch with one connection to each of the two switches to shared resources. One cable in switch1 everything works. Put the second cable switch2 and all breaks loose.

  Option1 = Switch2 (LAG)

  \       /

  Switch3

  Can someone tell me if it works and how?

  Thank you

  This kind of configuration can operate with switches that offer spanning tree or MLAG. But the 27xx series switches do not offer these features. With this type of installation, there is a loop that will cause a continual broadcast storm that will wreak havoc on the network. Your best form of redundancy will link redundancy switch, but you will not be able to get the redundancy of switch with 27xx switches.

  Switch1 SWITCH2

  \\       //

  Switch3

  Or

  Option1 = Switch2

  //

  Switch3

  Or

  Option1 = Switch2

  \\

  Switch3

  See you soon