installation of MSCS on the single ESX host

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• Disconnection of the VCenter ESX host

  Hi, I was wondering if anyone else has had this problem.  I have an installation of VMWare VCenter and 4.1 ESX servers.  Periodically, one of my ESX hosts will lose just login to the VCenter server and I need to re-add.  The host still pings, does not actually lose network connectivity or I receive an alert.  I've been searching newspapers with no luck yet.  Any help would be appreciated.

  Thank you

  good things!  Glad to see you go it is resolved

• Best way to build the same ESX hosts

  Hi, I need to build 4-6 ESX hosts are configured identically. (Same groups of ports, NTP settings etc..) All hosts will use the same brand/model/hardware configuration)

  I think kickstart server and a load of scripts PowerCLI would be the best way to do this, but I don't him did not before.

  Can you recommend the best way to do that, or no matter what links?

  Thanks in advance

  PS. The customer only paid for the license of the company,(not enterprise Plus), so I can't use Host Profiles)

  Are kickstarts way to go.  However, if you have business + licenses you can use the profiles of the host.

  Here's what I've used to help build my kickstarts

  http://blog.laspina.ca/ubiquitous/automating-vSphere-ESX4-host-installations

  http://www.VMware.com/PDF/vSphere4/r40_u1/vsp_40_u1_esx_vc_installation_guide.PDF

  ... also, everything I do not use this, it is very well implemented

  http://www.jasemccarty.com/blog/?p=571

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  http://www.ivobeerens.nl/?p=509

• In vMotion which files moves the destination ESX host?

  VMware dear Experts,

  Virtual computer on a shared storage shops, while moving the virtual machine from one ESX host to another, I want to know that VM all files are moved to the destination host ESX, once the vmotioned process is complete.

  Concerning

  Mr. VMware.

  Some files are moved with vmotion - the content of the memory VM is moved from an ESXi host to another - the files do not change. If you are talking about storage vmotion where the files that make up a virtual machine are moved to another data store while the VM is running - the VMDK files are copied first.

• 2 cluster nodes does not work on the same esx host

  Hello

  I would like to know how it is possible for 2 VM (a cluster of application) cannot run on the same esx (for example: only 2 esx in a cluster and an esx crash!)

  Thank you

  Concerning

  You must configure the properties of the DRS cluster to add a new regulation anti-affinite.

  See cluster / properties / DRS

  André

• Support for the older ESX host matrix

  We have an old server vCenter used to support our ESX 3.5 hosts. The server running VirtualCenter 2.5.0 Build 227637. While we are in the middle of the decommissioning of the environment, we recently received ownership of several former ESX 3.0.1 hosts. I can't find any documentation to show that VirtualCenter 2.5.0 taken in charge. I'll be able to add these hosts in our VirtualCenter? Thank you.

  Hello

  It's here... for more details, see attachment:

  

  

  Kind regards

  P.

• Internal network is limited to the local ESX host?

  We have a cluster of 3 hosts vSphere 4.1.

  We have also created an internal vSwitch (no physical NETWORK adapter is assigned to these switches) named "Internal" in each of the vSphere Host.

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  Thank you

  That is right. An internal vSwitch is internal to the host where it is configured. Since there is no uplink, there is no way from that vswitch can talk to each other on a different host.

  André

• Port gets mode error on Cisco catalyst 3020 after the reboot ESX host

  Hi all!

  I know that this may be the right forum for this questin, nut I m hoping someone can give men a response. Since I m a newbe for switches I use the assistants of Cisco network and Cisco will help me to access the SAN switches.

  As I said in the topic ports gets error on switch mode, most of the time I restart the host. I have to disable and then enable port it to rise again. Also, I get this message in the switch:

  This port has been disabled because the link turned out be fluctuating between high and low States quickly.

  Reason could be bad physical connector hardware or drivers on the device of the OSH connection switch port is faulty.

  Recommendation: Replace physical connector or upgrade the drivers on the switch port or try to replace the cable and re-enable the port.

  Is some setting that I can change the switch to make this disappear? All commands in telnet againt the switch?

  Maybe that's your problem:

  http://h20000.www2.HP.com/bizsupport/TechSupport/document.jsp?objectID=c01869687&lang=en&cc=us&TaskID=101&prodSeriesId=3884113&prodTypeId=15351

  / Rubeck

• Make a single LUN can be used by multiple ESX hosts

  Is it possible for a single LUN to be made usable by multiple ESX hosts at the same time?  For example, if you have an image or used by a vSphere environment requiring other vSphere environments in the data center access, you can put the image on a storage place where completely separate ESX hosts vSphere environments completely separate can see the same lun and clone the image or necessary?

  If the logic unit number is locked by accessed by an ESX host will be lock expires when the ESX host is not an another ESX host in another environment vSphere allowing access to the logical unit number, or is the lock, as it is usable by a single ESX host, until the storage is reconfigured to make it usable by a different host?

  Is there a better solution to this scenario?

  Thank you

  You can deploy both at the same time.  Locking occurs only for changes to metadata and only for the shooting of subsecond.  It is not required for the entire deployment process.

  -Matt

  VCP, VCDX #52, Unix Geek, Nerd of storage

• Change DNS IP addresses on the ESX host server

  Hello

  I need to change the IP address of my Windows DNS servers on the my ESX hosts. I know I can do this through the vsphere client, but that requires a reboot of the servers. Is there a way I can do this via ssh by changing a file that will not cause a restart of the host? If so, please describe how to do this.

  Also, if the host is restarted, what will happen in the virtual machine of in the interval until the host is upward? It will cause the virtual machine to restart as well, or so I have to restart their after that the host is back? I also disabled HA until I did the DNS changes.

  Thank you.

  normally, I'm a "network service restart. sure enough...

• Displacement of the unit number logic from one ESX host to another

  I am a newbies VI3. Are there opportunities to move a unit logic of an ESX host number to another?

  I can't find any guide. Help, please.

  Thank you.

  You don't need to remove the LUN from the host of the first.

  It is enough to present the second ESX host storage, don't know how you do it for the EMC storage.

  If you have virtual center then you just select the host, go to Setup and select storage adapters and then rescan the HBAs. This storage should appear.

  If you do not have virtual Center, then you should be able to do it from the host.

  The main thing to make sure, it is that you present the LUN with the same ID for all guests.

  If you really need to delete a logical unit number not used, check that no virtual machines are using, use the management of storage to anyone there and then rescan the HBAs as above.

• ESX host will not use VMotion

  Hi all

  I have a question maybe someone can help.

  I installed two new ESX hosts in their own cluster, managed by a single data center environment.

  After the installation and updates, adding them to the Cluster environment and adding new licenses to the license server VC.

  I have one of the two ESX host who won't use VMotion. Everything is allowed as should be. But in the section of the Add On to the Configuration of the license, I see the following:

  VMware DRS Licensed for 2 cpu

  VirtualCenter for ESX Server Licensed agent for 2 cpu

  VMotion will not used

  VMware Consolidated Backup for 2 cpu license

  VMware HA under license for 2 cpu

  Additional details:

  Both servers in the cluster are identical hardware profiles: Intel 3.2Gig Xeon, 2 cavities 4 hearts, no HT.

  32Gig of RAM, (Proliant DL380 G5)

  The two servers connected to the SAN via Fibre Chanel Switch, redundant.

  Concert NIC ((VMNic 0 (Console 1), VMNic 1 (Standby adapter), VMNic 2 (Console 2) (the Virtual Machine Network), (VMkernel), (ports of vSwitch 56 none VLAN not defined) VMNic 3 (Standby adapter)).)

  No errors in the Logs of license, the Console message, etc. Everything seems in good health with no update needed.

  Both servers see the unique data store, created on the same SAN which it connects through the switch channel.

  VMFS 3.31.  Unique data store with several extensions (8 in total, the creation of a size of 15 to storage).

  Any ideas?

  All my other hosts using VMotion, but it does not work and there is no difference in configuration, I know.

  Thank you

  • FPTHREE

  Some of the most common problems that cause problems VMotion - have you enabled for VMotion vmkernel port? VMkernel ports on the same segments of entwork?

  Can you provide the ip addresses for your vmkernel enabled for vmotion -

  If you find this or any other answer useful please consider awarding points marking the answer correct or useful

• Open a virtual machine in a san on 2 different esx hosts

  Hi, I have a Vsphere essentials, 2 Esx hosts and an Iscsi san, I need to connect the virtual machine in the two esx hosts (I know I don't have FT and HA), in order to launch the virtual machine never the first Esx and if first host, does not have the virtual machine on the second esx.

  I tryied to connect the virtual machine to the second host, but the Vsphere client tell me that's not possible, because the virtual machine is already present at the first ESX.

  There is a way to establish this setting?

  For some it may depend on your application, if you can run multiple instances of the same application? If it is a web application? It stores its data in files on the server, or it stores it in a database locally? or remote database?

  -VM on a local storage of the army, would not really recommended if you need so that it starts the VMS on host b quickly.

  -If the two hosts have access to permits it storage even say and what the application can really be run only once.  He could only save it to HostA and if it fails at some point that it will be released the lock, have it on the virtual machine and you will be able to manually register the virtual machine to host b and start the virtual machine.  However, you will not be able to really get ahead.

  -HA out of here, as if a host or power failure shuts on HostA, HostB will feed into the virtual machine down automatically

  -FT - here in the spectrum creates a VM ghost on the secondary host in levels (what happends on HostA happens on host b)

  -Another option to the other end of things has implemented Microsoft MSCS Clustering with iSCSI support I think.  You can run VMS with iSCSI to your San and clustered like this application.  Just note that with iscsi client it uses some CPU to create iscsi packets.

  -Web Cluster, Cluster database.    It doesn't matter if one of the nodes of web servers or the database nodes go down really that the user will be redirected to another node in the cluster so really no need for HA/FT.

  Of course, with some of the here above are expenses and pro / con of and there's a few ways to increase availability.

• b/w esx hosts VMotion using CF Storage share.

  Hi, I wanted to know the esx communicate anything to the storage when its doing a vmotion. Lets say I make a vmotion between 2 esxi hosts share the same storage. I have a private just vnic to vmotion and a separate management and logging FT.  My vmkernel default gateway is the management of vnic. I do all the fiber channel for the shared storage.

  Once a vmotion over, the new esx host must tell the storage that the vm now lives on me. If storage is all CF, how do?

  Yes, locks are on the VMFS file system, so the connection of storage is used.

  André

• HO to import a virtual machine in esx host

  Hi all,

  I have a cluster of small esx (2host clustered in a datacenter) manged by a machine virtual vcenter. Now, I installed an esx on a small host outside the cluster, do some test activities that must be totally separate from my cluster of production.

  Before you perform the test esx host, I created some virtual machines in the production cluster. Now I want to import into my test esx host without have to reinstall them. Can I do this? the only way to achieve that I thought is to add my existing test in my data center host, leaving outside the cluster. then move my vms and remove it then, to manage alone.

  Is this possible without any risk to my cluster of production? is there any other solutions?

  Thank you very much

  Paolo

  Yes, but you cannot connect a free version, you need a license.

  To not change your existing cluster, simply add the host in the data center (so it's outside the cluster).

  When you are finished, just disconnect and remove the unused host.

  André