Cluster with ESX 3 and HA

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• Can you have a cluster with a single host?

  Hello

  I'll put up a new VMware infrastructure, which includes a cluster with 2 guests in a place and a single ESX host in a second location.  They will all be managed by server unique vSphere.

  It is possible that the second site can earn an additional ESX host at some point in the future.  So, my question is if I have to create a cluster for the second site and have just the single host in it for now, so its ready if we add a second host?  Is it possible to have a cluster with a host, and what are the consequences of this?

  Thank you

  Joe

  Technically, Yes, you can have a Cluster to a single node and if you plan to add another node in the cluster later it makes sense to set up the first node.

  And, both from a technical point of view, but especially from a point of view BAU.  Mulitnode cluster promotion will be less intrusuve there is no additional software to add on the pre-existing main node, therefore you Board change will be less nervous about the piece of work, because it won't change the node pre - that does not exist.

  From a personal point of view my current client runs a number of single-node clusters, in their environment.

• VM with ESX hosts time synchronization

  I have an environment where we hate some vm value Time Sync vm with ESX hosts and on the other not.

  need to write a script to set the synchronization time vm with ESX Yes on all virtual machine hosts in a given cluster

  If you only want the name of the guests, you can add a Select cmdlet at the end

  $vms = Get-Vm | where {(Get-View -Id $_.Id).Config.Tools.SyncTimeWithHost -eq $true} | Select Name
  

• Filling of cluster with references

  Hello

  I use "reference clusters" (def of strict type) and they make life much easier when you have a hand VI with a few controls and indicators and to change a property of one of these objects to a Subvi. Everything works fine when I have all the objects in a single VI and want to fill the cluster with "real" references, and valid.

  However, when I couple objects in several different screws and want to fill a single cluster with references, I get errors. What is the best way to get this?

  Attached two ZIP files: Method.zip first and second Method.zip

  Unzip the first Method.zip in a folder, and then open VI_1_First_Method.vi. Run the vi and keep your eyes on the white gauge. Everything works fine and VI_2_First_Method changes the background color of the white gauge.

  Unzip Method.zip second to another folder, and then open Populate_with_real_references_Second_Method.vi. Look at the block diagram. How to fill the Cluster_Second_Method.ctl with the "real" references objects VI_1_Second_Method.vi, VI_2_Second_Method.vi, and VI_3_Second_Method.vi?

  Thank you very much.

  Dan07

  You can do this way:

  

• Add Server ESXi in Vcenter 5.5 cluster with a different number of socket

  I have 5 nodes compute node IBM Flex System X 240 8737T7M with 2 CPU Socket in a VMS Cluster with identical hardware and now I need to add 1 more IBM System Flex X 240 node calculate 8737T7M with 1 CPU Socket in the same cluster.

  Here are other points: -.

  VCA Mode is disabled in this cluster.

  5 existing and new are the same model of CPU and memory is of the same capacity.

  Only the difference is 5 knots with 2 sockets and another node is 1. Please notice is recommended and he face any technical problem.

  VMware ESXi 5.0 and Vcenter is 5.5

  
  

  Hello

  VCA mode is not required when the generations of CPU on the server is the same.

  Adding your host in the cluster will work then.

  He advised not to add servers to a cluster with mixed material config. A possible problem might be the Admission HA control for example settings. If you configure a number of hosts reserved for failover, you may encounter problems with your hosts do not match each other. Here, you define the ability to failover in percentage.

  Tim

• Change the Ip address of a cluster with Vsphere4

  Hi all

  I need help for work I have to do today.

  The problem is:

  -I need to change the ip on my local network addresses, the structure is entirely managed by Vsphere 4.

  -Now I have a HA cluster with 3 hosts, and I need to change the ip addresses of these servers Host1, 2 and 3 and the virtual Center host I ha ve a domain.

  Please, what is the best practice for this job can someone help me with this procedure?

  Thank you very much

  My steps are:

  (1) client connection vsphere in the center of the existing, disconnect all hosts and remove

  (2) stop vcenter services and change IP

  (3) start the vcenter services

  (4) change the address IP of ESXi console x 3

  (5) connection client vsphere with vcenter new ip address and add 3 hosts.

  make sure that any dns or hard-coded host name are modified.

  iDLE-jAM | SC 2, SC 3 & VCP 4

  If you have found this device or any other answer useful please consider useful or correct buttons using attribute points

• VMotion with ESX and ESXi in the same cluster.

  My client wants to spend his whole army ESX 4.0 to ESXi 4.1 host. I know that it requires a clean install of the host. But vMotion always works in a cluster with a mix of the host ESX 4.0 and ESXi 4.1?

  You will be fine to have a mixed group of ESX and ESXi hosts.

  Dave

  VMware communities user moderator

  Now available - vSphere Quick Start Guide

  You have a system or a PCI with VMDirectPath?  Submit your specifications to Officieux VMDirectPath HCL.

• How to win 2012 Server virtual machine with vmware cluster running ESX 5.1 and ESX 4.0

  Hello

  I had cluster running ESX 4.0 host, I upgrade vcenter 5.1 and added a new host running 5.1

  When I try to create a new virtual machine, it does not give me option to choose win Server 2012.

  I tried to disable fail on etc... but not helped.

  Any thought.

  Thank you

  
  

  Got it, I had to choose the vm hardware version 9

• Add esx cluster with different cpu

  Hi all

  I have a cluster with 5 esx 4.0 u1-208167, which installed on IBM x 3550 M2 ((2 x Intel® Xeon™ processeur E5520) .)

  I want to add a server to server cluster .the is IMB x 3550 m3 (2 x Intel® Xeon™ processor E5620 4 c)

  do I have to make a chenges on Esx servers / vm / vcenter when I add the new esx for my datacerter and to the cluster so I can do Vmotion / storage migrate this server in the cluater (I have the appropriate license and plug)?

  Thanks for the help

  is there another way to activate the CEV on my existing cluster and does not create a new?

  You can try to create a new cluster and select CVS it and move all your hosts to this cluster

  should I turn off my vm all?

  You will need to put the hosts in maintenance mode. So what you can do is put the host 1 in maintenance mode, virtual machines will move to host 2. Now move the new active EVC cluster host 1 and continue to do this until all of your hosts are in the cluster. You can try vMotion your VM 2 host to host 1 which is now in the new cluster, but it all depends on what your processor will hide VCA is activated... And if you cannot vMotion, virtual machine in a VCA not to an active evc cluster cluster, then Yes, you will have to turn off and restart your virtual machines in the new cluster

  I also have SRM ad site.do I need to activate the CEV on the cluster, I have here (a different Vcenter)

  No u don't.

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• Move cluster configured with replication SRM and Vsphere

  All,

  We go 2 groups in the near future to achieve a geographical distance between the 2 sites.

  A cluster is equipped with VMware 5.0 replication SRM and vSphere and the other cluster running VMware 5.5 and SRM in combination with replication of vSphere.

  What is the best way to move these clusters, I must stop the replication or interrupt the replication process and are these action to perform on SRM or we need to perform any action on the virtual machine itself?

  I read that a stop is setting the State to not configured including destroy all files in the target directory.

  Does anyone have an experience by physically moving a cluster managed by SRM (and replication of vSphere)

  Any help is welcome

  Thank you

  Gerbert Coolen

  Just pause replication before stop you the VR device on the site target/DR. stop vs break with vSphere replication - VMware vSphere Blog - Articles from VMware

• Can this load balance and HA cluster with vsphere?

  Hello community!

  Really new on this type of subject, so forgive me if IAM iam do or say something wrong. I'm here to try to understand better this amazing tool so I apreciate your time and knowlodge!
  Im trying to create a failover and balancing cluster with Vsphere, the goal is try to install an MSSQL DB server where the customer can access more quickly and do not have downtime when a node is down.

  I read a lot but still I can't have a full understand abt, so if anyone tries to explain something, please be patient and explain with precision.

  All doing wrong if you really work at home as a LABORATORY, and I can do it, hurt trying to use it to get a job because I don't have and I really need one soon!
  Here is my diagram is possible?

  

  Well ill to explain it, I have clients that will send a work for my DB load process, which will affect on MSSQL Server installed on the 12 TB logical drive created from the union of all methods virtual storage. Each virtual storage is just a virtual disk created on a virtual machine that is hosted on the physical server (node).

  So I have 4 physical server which have 1 VM each with 3 TB of virtual disk, the goal is the customer can send the process of workload on 4 nodes to have a quicker response, and if a single node fails for any reason, the other node can operate withow problem.

  physical server Medley: don't know yet if I have to use one or install VMWARE directly.

  Sagna VM: Windows Server 2008 (don't know if necessary or if I can just install SQL Server directly)

  MSSQL Server VM: 2008 Enterprise (still don't know if I have to use this one)

  Well I can't think right now on the other details, but if you tell me ill be happy to write it.

  Sorry if my writing or semantics is false but English is not my first language.

  Really thanks to get to this point and share your knowlodge!

  Best regards, josh of Argentina!

  Josh, please correct me if I'm wrong, you have 4 knots of MS - SQL, and you need to read/write at the same time in a shared database of 12 to.

  If this is the case check the following documents:

  VMware KB: MSCS support improvements in vSphere 5.5

  http://KB.VMware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalID=1004617

  http://KB.VMware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalID=1034165

  Clustering using VMDK sharing between virtual machines

  http://KB.VMware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalID=2009226

  https://www.VMware.com/PDF/vsphere5/R55/vSphere-55-configuration-maximums.PDF

  http://KB.VMware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalID=2003813

  The above covers the part of the diagram which includes 4 nodes SQL and the shared database, the other part of the client to the SQL nodes that segments the loads on the nodes, I think you should see Microsoft options.

  I found a few relevant links below:

  https://ask.SQLServerCentral.com/questions/51824/cluster-with-more-than-2-nodes.htm l

  SQL server 2008 r2: how? Several active node SQL Cluster (not) - database to stack Exchange administrators

• Fuson - is this compatybile with ESX and Desktop Images?

  Hello

  I plan to switch to mac. Currently I use ubuntu with workstation. I also have many ESX servers with images ESX - those that will work perfectly in my computer (after conversion)

  Fuson does support images ESX, server and workstation? Can I export image Fuson as image ESX? Does it REALLY work?

  Thank you

  Maciej

  I started this topic a little before you. Note how I'm recommended to convert the VMDK before putting on the server.

  I move vms between the merger and the player with the only glitch being bridged network not working not not while under the reader. In this case, I guess workstation would be nice.

• Known issues with running ESX, vSphere and vCenter Lab Manager on a Windows Server?

  I'm on a project that is currently planned to install ESX, vSphere and vCenter Lab Manager on a Windows 2003 R2 Enterprise x 64.  Anyone know if there are known problems with their performance on a beefy Server?

  http://communities.VMware.com/community/VMTN/vSphere?view=overview and take a look at podcasting.

• vCentre with ESX 3.5 and vSphere 4U1 lic.

  Hello

  I would like some advice on vCentre4 with ESX3.5 and vSphere 4U1. We currently have 4 ESX3.5 Ent. servers (16CPU lic.) and v2.5U1 vCentre UAT environment, we are trying to replace the migration to vSphere 4U1.

  Unfortunately last weekend our vCentre 2.5U1 server crashed without possible repair, and since we are in the process of upgrading would rebuild Win2k8 and SQL2k5 servr to vCentre 4U1 th at the same time, we are going to change servers ESX3.5 to ESXi 4 (free version) and install 4U1 vSphere 4 new production servers.

  Our plan is to first upgrade to vSphere 4U1 2 servers, then followed by the other 2 servers a few months later. There are a few things that I need help to clarify:

  1. after reinstallation of vCentre4 licensing to vCentre 4 supports a mixture of ESX3.5 Ent and vSphere.

  2. If I detach my the vCentre ESX3.5 servers and also to remove the lic. of the ESX 3.5 How many days the ESX can run before the ICA. expires - is it being treated as a version of evaluation and the ICA. lasts for 60 days.

  3 or if not can I keep my ESX3.5 connected with the vCentre but remove the lic. for the 2 vCentre ESX and how the days can work before the ICA. expires and that our servers cannot connect to the vCentre.

  4. I've heard - we have not installed vCentre4 but the software/module license on vCentre4 (vSphere) is different from what the 2.5 vCentre (ESX3.5) how can keep my lic. on the operation of ESX can I just install the vCentre 2.5 lic. more module on the server of vCentre for lic. vSphere and ESX3.5

  Thank you very much...

  See you soon...

  Thanks for the tips up to what it means if I set up my server with 2 vCentre * vSphere 4U1 server and 2 * ESX3.5 Server;

  -the vCentre will allow the vSphere 4U1with lic. key

  I'm not sure that understand the issues above.  You need vCenter4 to manage the host ESX (i).  vCenter4 can manage VI3 hosts, but vCenter2.5 can't handle ESX(I) 4 guests.

  -J' I need to install the 2.5U1 software/module license vCentre 2 * ESX3.5

  You can install stand-alone if you wish. http://downloads.VMware.com/d/details/esx_35_licenseserver_dt/dGViZGVoKmIqZA==

  in order to ensure environments run correctly (without expiring) and they can both connect to vCentre Server?

  No, a crowd can be handled by one instance of vCenter.

• cluster with images: memory increases up to more than 2 GB and crashes

  I have a lot of PNG images (around 1200, 12 MB in size) and I load by programming in labview with a loop for I put all the image data in a table for all images.

  I can't complete this operation, while the images are very small memory LV is increasing more than 2 GB and then I get a memory error output.

  I put one "structure" above all table operations. What is going on? IM really a bad thing, I guess.

  Hi, Faust,.

  "On the qualities of the picture, they are 32-bit and x 850 360 pixels BUT about 99% is transparant (images has a constant size which is transparant, there is a small object that moves in this space)."

  Transparency is not relevant in terms of memory occupation. When the image loads, it just needs 850 * 360 * 4 bytes (or ~1.2 MB)...

  Suggestion:

  -Do not store images in memory... Do the math in slices of (say) 100 photos.

  -Do some manipulation of the image to get the position of the moving object. Then you store only a small portion of the image (with the object) and some information about the location in the picture. In this way, you always know the size of the (original) photo, but you only keep the "interesting" part in memory!