Quick vMotioning problem between two servers HP BL460c Gen 9 when EVC enabled

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• Catalyst 3560 liaison network between two servers ubuntu 12.04

  Hello world

  I'm trying to transfer data with more than 1 Gbit/s between two servers, but I just get a card (approximately 1 Gbps) NETWORK performance. Here is my configuration:

  srvnettest1 and srvnettest2 are two 12.04 servers ubuntu with three network cards in each. management eth0, eth1 and eth2 are network cards that should work as a team. ;-) Here are the relevant parts of fit it:

  [email protected]/* */:~# less /etc/network/interfaces
  ...
  auto bond0
  iface bond0 inet static
  address 172.16.200.100
  netmask 255.255.255.0
  bond-mode 4
  bond-miimon 100
  bond-slaves none
  bond-lacp-rate 1
  bond-primary eth1 eth2
  auto eth1
  allow-bond0 eth1
  iface eth1 inet manual
  bond-master bond0
  auto eth2
  allow-bond0 eth2
  iface eth2 inet manual
  bond-master bond0
  ...
  
  

  
  [email protected]/* */:~# less /etc/network/interfaces
  ...
  auto bond0
  iface bond0 inet static
  address 172.16.200.200
  netmask 255.255.255.0
  bond-mode 4
  bond-miimon 100
  bond-slaves none
  bond-lacp-rate 1
  bond-primary eth1 eth2
  auto eth1
  allow-bond0 eth1
  iface eth1 inet manual
  bond-master bond0
  auto eth2
  allow-bond0 eth2
  iface eth2 inet manual
  bond-master bond0
  ...
  
  

  It's the switch configuration (btw, this is a version of IOS in course WS-C3560G-48TS 12.2 (55) SE)

  Switch#show running-config
  ...
  interface Port-channel10
  switchport access vlan 200
  switchport mode access
  !
  interface Port-channel20
  switchport access vlan 200
  switchport mode access
  !
  interface GigabitEthernet0/1
  switchport access vlan 200
  switchport mode access
  channel-group 10 mode active
  !
  interface GigabitEthernet0/2
  switchport access vlan 200
  switchport mode access
  channel-group 10 mode active
  !
  interface GigabitEthernet0/3
  switchport access vlan 200
  switchport mode access
  channel-group 20 mode active
  !
  interface GigabitEthernet0/4
  switchport access vlan 200
  switchport mode access
  channel-group 20 mode active
  ...
  

  This is my summary etherchannel:

  Switch#show etherchannel summary
  Flags:  D - down        P - bundled in port-channel
  I - stand-alone s - suspended
  H - Hot-standby (LACP only)
  R - Layer3      S - Layer2
  U - in use      f - failed to allocate aggregator
  M - not in use, minimum links not met
  u - unsuitable for bundling
  w - waiting to be aggregated
  d - default port
  Number of channel-groups in use: 2
  Number of aggregators:           2
  Group  Port-channel  Protocol    Ports
  ------+-------------+-----------+-----------------------------------------------
  10     Po10(SU)        LACP      Gi0/1(P)    Gi0/2(P)
  20     Po20(SU)        LACP      Gi0/3(P)    Gi0/4(P)
  

  My test tools are nuttcp (by transfer) and bmon (to watch what is happening during the transfer). Unfortunately, I am not able to transfer more than 1 Gbps:

  [email protected]/* */:~# nuttcp -i1 172.16.200.100
  97.1875 MB /   1.00 sec =  815.2409 Mbps     0 retrans
  98.0625 MB /   1.00 sec =  822.4763 Mbps     0 retrans
  98.0625 MB /   1.00 sec =  822.7321 Mbps     0 retrans
  98.1250 MB /   1.00 sec =  823.1001 Mbps     0 retrans
  98.0625 MB /   1.00 sec =  822.5306 Mbps     0 retrans
  98.0625 MB /   1.00 sec =  822.7560 Mbps     0 retrans
  98.1250 MB /   1.00 sec =  822.9890 Mbps     0 retrans
  98.0625 MB /   1.00 sec =  822.6753 Mbps     0 retrans
  98.0625 MB /   1.00 sec =  822.5528 Mbps     0 retrans
  98.0625 MB /   1.00 sec =  822.7058 Mbps     0 retrans
  982.5000 MB /  10.03 sec =  821.9606 Mbps 21 %TX 37 %RX 0 retrans 0.32 msRTT
  

  In bmon, I see that a NIC (eth1) of bond0 the uplink and the other a (eth2) made the downlink:

  #   Interface                RX Rate         RX #     TX Rate         TX #
  qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq
  srvnettest2 (source: local)
  0   lo                         0.00B            0       0.00B            0
  1   eth2                     269.26KiB       4175       0.00B            0
  2   eth1                     123.00B            0     102.56MiB      71030
  3   eth0                     179.00B            2     491.00B            1
  4   bond0                    269.38KiB       4176     102.56MiB      71030
  

  I tried a lot of things, but now I have no idea what to do or what to try next. It is true that I have no deep understanding of Cisco etherchannels yet, so I guess that my mistake is somewhere in the IOS configuration.

  Thanks a lot for your support and welcome to Germany

  Stephan

  Hello Stephan,

  With EtherChannels, a single flow (the flow of images/packages with the same source and destination) is always carried by a single link only. Implementation of Cisco implements not balancing on connections in an EtherChannel load by package, and it avoids a reason: executives could get reorganized, something this plain Ethernet never should do. This means that you will not see an improvement in bandwidth on the speed of a single link to your EtherChannel for a single stream. It is only the overall bandwidth for several stream which increases. The advantage of EtherChannel becomes therefore obvious that if your server starts many conversations and several stream handling.

  Best regards

  Peter

• Replication between two servers without direct connecton

  Hi all

  In this case, we have two servers without direct access between them (firewall, security requirements). In fact the two servers are stored in different VPN.
  and the question is:
  Can you build an architecture that will provide replication between them (include the server in downstream, trails in the intermediate machine bank file, or something else)?

  Much love and thanks for your suggestions))
  

  Hello

  In this case, your downstream server should be able to communicate to your Source and target.

  Kind regards

  Veera

• Copy users and hashes of password between two servers that does not use AD

  Hello

  We have two servers running Windows 2008 R2, but because we run AD on two of them, I need to find a way to copy the users to the users group to the other server remote desktop and duplicate the hashes thus.

  Any ideas? No user file or parameter must copy.

  It is better that I do not have need to install AD on one of them and only for the purpose of copying users and hashes

  Hi c0de::bre@k,

  Thanks for posting in the Microsoft Community.

  The question you posted would be better suited in the TechNet Forums. I would recommend posting your query in the TechNet Forums.

  Please ask your question in the Technet Windows Server General category.
  http://social.technet.Microsoft.com/forums/en-us/winservergen/threads

• vMotion between two servers vCenter

  From what I've read so far, it seems that this is not possible, but I just wanted to ask to make sure.

  Is it possible to live migrate a virtual machine on a host managed by 'a vCenter server' to another host managed by "vCenter Server B? All subnets and storage is exactly the same (we have our own hosts and storage, but it's just all managed under a vCenter Server now). We're just trying to completely separate our hosts and virtual machines to a subcontractor who took over the virtual environment (with the exception of what runs my team)

  I have the feeling that this requires time, which is unfortunate, because it means that it will take an extremely long time to coordinate and plan for all this work. Thought it was worth asking if...

  Thank you.

  I did something similar week last during the upgrade a 4.0 environment. I installed vCenter 5.1, then disconnected and removed the hosts the old vcenter (without first disconnecting that will prompt you to place the host in maintenance mode) and finally added to the new vCenter Server without downtime for virtual machines.

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  I have a network with where two unity servers are connected and they are able to vmail prior to each other. (I did it using information from a document in a previous post

  ( http://www.cisco.com/en/US/products/sw/voicesw/ps2237/products_installation_and_configuration_guide_book09186a00801ba396.html ) However, when this is done, it is not an option to meet the vmail in vmail transmitted within the same server of the unit. Is it possible to configure it to respond? In other words, can you set up to meet the vmail passed the way you can when a vmail is routed within the same server Unity? Is it still possible? I don't see it in the document. The unity server is 4.03 with out-of-box Exchange. The other is 3.1.6 with a box on Exchange unit. Each is in a different domain. Thank you.

  No, there isn't a way around him. Putting servers in the same forest requires a reinstallation of the unit. You can use DiRT to help you do it, but this isn't something that we document step by step, because this isn't a normal activity. The only real challenge you may have there naming. As the dirt trying to match the name in SQL with the directory during a restoration, if you have any overlap, you may have some problems. I had read the help file for dirt to get a better idea about the process of migration:

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  Keith

• vMotion between two hosts with different version?

  
  Hello

  Can I vMotion VM between two hosts with different version? For example, a virtual machine of esxi 6.0 5.5 esxi and esxi esxi 6.0 5.5 vMotion.

  Thank you.

  Yes, it will avoid you to move.

• Utility FNDLOAD between two different servers

  Hi friends,
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  We need to migrate reports form the unfounded (IBM - AIX 5.3 p) server to the new.
  FNDLOAD works between two different servers?
  If not, please tell me the reason why it doesnot work between servers.
  I would also like to know if there is a way to migrate data between two servers.

  As indicated in the documentation, it does not work between servers. You export the metadata and get an output file. Then, you take the output file and transfer it to the new source. Complete with examples, including the necessary part of XDOLoader.

• Routing between two Vmware images (mode single host) running on mac 0sx 10.5.7

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  I have two VMware images: a windows 2003 server and another company of red hat running on my mac with vmware fusion. Two of them are to be only one host mode and I manually assigned a static IP address to those servers to vmware. Thier is a situation that I can't change the static IP address.

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  This point is covered in another post last month, but I want to assure you that I am

  erase before ordering anything.  We run a VMware

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  Dear team,

  Can we do vMotion between two data center (esxi5, x)

  Can we do SVMotion between two data center (esxi5, x)

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  Can we do vMotion between two data center (esxi5, x)

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  can we do SVMotion between clusters (esxi5.x)

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• can we do vMotion between two data center

  Dear team,

  Can we do vMotion between two data center (esxi5, x)

  Can we do SVMotion between two data center (esxi5, x)

  Note: it is not a physical data center, it is a virtual data center

  can we do vMotion between clusters (esxi5.x)

  can we do SVMotion between clusters (esxi5.x)

  concerning

  Mr. VMware

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