minimum size of DRS cluster

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  When you make a bootable installation of Sierra, what is the minimum size of USB that is required?

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  First, review this introductory article: creating a Setup program bootable OS X Mavericks or Yosemite - Apple Support. Second, see this diagram how to create an El Capitan bootable Installer. Just replace the Terminal command with that of the previous article by copying it in the Terminal window.

  You will need a 8 GB or more flash disk USB that has been partitioned and formatted for use with OS X.

  Drive partition and format

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• VBAI Custom LabVIEW Interface minimum size limit

  I have a LabVIEW VI selected as my custom VBAI interface.  I intend to run VBAI on a PC that is also running an executable (developed in LabVIEW).  Both the executable and VBAI have graphical interfaces that need to remain visible during operation.  With limited screen real estate, I'm doing the interface VBAI just a little smaller, but it seems to me running a form of minimum window size limitation.  When I resize the window VBAI it appears to a larger size.  I have not set this restriction on the LabVIEW VI that is used by VBAI, so it must be a restriction in VBAI itself.

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  PrimeTest Automation

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• How can I get the size of a Cluster in bytes?

  I want to get the value of a cluster size, and I found the function "Get variant attribute" I think that to do this,

  but I can't find in the documentation http://zone.ni.com/reference/en-XX/help/371361D-01/glang/get_variant_attribute/

  Anyone would provide the values of the attribute name that can receive?

  And it's right to get this function I need or there is another way?

  Hi Marco,.

  GetVariantAttribute may not give you the size of a cluster - it will just give you the a variant attributes!

  You can create attributes with any name (but a non-empty string)...

  Why should you get the size of a cluster?

  Perhaps you could serialize to a string and get the length of the string. Or type in a table of U8 conversion and get the arraysize...

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  Lorien - MCSA/MCSE/network + / has + - if this post solves your problem, please click the 'Mark as answer' or 'Useful' button at the top of this message. Marking a post as answer, or relatively useful, you help others find the answer more quickly.

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• Move-vm can migrate a powered off the virtual computer to a DRS cluster?

  When I try to move-vm has propelled off VM to a destination of DRS cluster, he says that he cannot migrate a powered off the virtual computer to a DRS cluster.   I can explicitly name the destination of the host and it works, but that defeats the purpose of using the DRS and forces me to script on the destination hosts.

  I do something wrong or I would be able to migrate a powered off the virtual computer to a DRS cluster?

  Thank you

  -MattG

  Hello, MattG-

  I get the same behavior as you when you try to move a VM PoweredOff to a DRS cluster, specifying the cluster as the value for the parameter - Destination to Move-VM (using PowerCLI v5.1 Rel 2 v5.5 Rel 1).  Not quite what I expected.

  To work around the problem, and without having to appoint a particular host as destination, you could use some Get-Random, do something like:

  Move-VM myVM0 -Destination (Get-Cluster myDestDRSCluster | Get-VMHost | ?{$_.State -eq "Connected"} | Get-Random) -RunAsync
  

  Who should receive the machine said cluster and on a host that is in the connected state.  A subsequent operation to the market (whenever do you eventually) should then see DRS power on the virtual machine on a suitable host in the cluster.

  Maybe the dev team can comment if this behavior is the expected or desired.

  Anyway, how does do for you?

• MSCS on an active DRS Cluster HA?

  Hi all

  We are setting up a 6 host DRS activated cluster HA with a host as the host of the previous day. Two of our virtual machines will run MSCS cluster (with active and passive node). What we want is that:

  1 - Normal VM must be restarted on a host sleep by using cluster HA when an ESX fails.

  2 VM Normal should be vMotioned DRS decides.

  3 clusterises MSCS VM should restart on a host sleep by using cluster HA when an ESX fails.

  4 MSCS group of VM should not be vMotioned automatically. Must reside on the specific host.

  Are higher than 4 point if possible please confirm how we do. I'm a little confused that as per below document MSCS is not supported on active DRS cluster.

  http://KB.VMware.com/selfservice/microsites/search.do?language=en_US & cmd = displayKC & externalId = 1037959

  Kind regards

  Khurram Shahzad

  According to the doc of vmware, the installation program for the Clustering failover and Microsoft Cluster Service to Vsphere5 no problem when you use the DRS and HA together. but it takes only

  1 - two nodes must never operate in a single host for HA and DRS
  2. to do this you must create the rules below

  -HA, create a host of DRS group, and then create a group of Virtual Machine DRS, then A VM host affinity rule must be created, with a group of virtual machine DRS and a host of the DRS group.
  -DRS, create anti - affinity machine VM-virtual rules specify which virtual machines should be stored on different physical hosts and turn on strict application of the law of affinity rules virtual machine configuration

  Or you can also disable the DRS for these 2 nodes and enable only HA, but even once you must ensure for HA 2 nodes never operate in an ESXi host

  See books of installation for Failover Clustering and the Microsoft Cluster Service to Vsphere5 and vsphere-esxi-vcenter-server-501-resource-management-guide

• Minimum size of SVG?

  We try to place a small SVG in Muse. Once imported, Muse automatically resizes the SVG to 20 x 20 and don't manually resize us. Y at - it a minimum size of SVG with that muse is working? If this is not the case, how can we solve this problem?

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• Best practices for a domain controller in a DRS cluster

  Hi all

  We have our virtualized 2 domain controllers.  We're in a DRS cluster, the other is on a 3rd stand alone ESX host.

  On the cluster, which is the best way to ensure that the domain controller starts first?  We lost our AC for awhile last night (again), and when turned on the cluster hosts, apparently the domain controller did not come entirely everything first, leading to a lot of problems with the other virtual machines.

  On the host of the 3rd, the second domain controller is configured to start first, with all the other virtual machines on a delay of 45 seconds.

  If you use HA, you can set the priority of restarting to 'high '. To find it by changing the settings of your cluster and "the VM options.

• ESXi hosts are divided into DRS cluster

  Hi all

  I'm going as well as I can explain it... In the case that I'm not being very clear, please not hesitate to ask me more questions.  Here is the scenerio:

  (1) I have a Blade IBM H chassis has 7 in there (host ESXi) servers

  (2) I have implemented a DRS cluster with these 7 Hosts

  (3) I have active VMotion and HA

  (4) the question is that 2,3 and 6 blades can only ping between them on the VMotion network and therefore can migrate to eachother

  (5) blades 1,4,5 and 7 only can ping each other and can therefore only VMotion for eachother.

  (6) this problem started to happen over the weekend, one day, and when we came back to work on Monday, we realized that the 3 hosts were not communicating on the network correctly.

  (7) one thing I noticed is when I unplugged all the DRS cluster hosts and then I connected to them again I realized that all guests were able to successfully connect to the Cluster but the hosts 2, 3 and 6 failed on the AP.  When I then reactivated the AP, he worked on these 3 guests.

  (8) due to this problem, I had remove the feature of DRS cluster because the system could not migrate the machines for guests.

  (9) one last thing I noticed was that when I VMotion, the machine I have VMotion loses network connectivity.  I must go to the publishing settings and disable the NETWORK adapter and re-enable the NETWORK card

  I hope someone can help with this problem

  Thank you all,.

  Antonio.

  Basically, the spanning tree Protocol is used to avoid loops in a bridged network. Please take a look at for example http://en.wikipedia.org/wiki/Spanning_tree_protocol for details on how it works.

  However, the individual switch ports that serve as uplinks for ESXi must be configured for Spanning-tree portfast.

  André

• DRS cluster: You can mix 4.1 ESX and ESXi 4.1?

  Not very complext, but we have a DRS cluster of 8 hosts x 3850 of IBM on ESX 4.1 and we will upgrade them both to ESXi 4.1 update 1.  There will be questions mixing a cluster of ESX and ESXi servers?

  Yes, 100% supported!  both are the same hypervisor, so you should have no problem running in the same cluster.  After all it is the best way to do a upgrade spread, and how we made our move between ESX and ESXi.

• Add or remove a host NOT in a DRS Cluster maintenance mode

  Is there a reason why add a host in an active DRS cluster that has say 20 virtual machines running on it would cause problems?  I understand a host must be in maintenance mode when adding or remvoing in a DRS cluster, but this can be done by disconnect/remove/add the host to the cluster.  Is there a technical reason why we should not do?  It disrupts DRS or HA?

  You'll be fine.  Best practice dictates in and out of a cluster in maintenance mode, but...

• Minimum size of physical disk for vSphere.

  I buy a new server that comes with solid state disks, is a pretty big 32 GB drive for installing vSphere.

  The virtual machine will take place on an iSCSI san.

  Thank you

  Tim

  I think that the minimum size of the VMDK of Service (which is now stored on a VMFS partition) Console is something less than 10 GB.  Maybe 8 GB or more.  I think you'll be fine with SSD of 32 GB for installation of ESX.

• Keep VM on a specific host in a DRS cluster?

  I have a DRS cluster with a handful of machines, but only one is a newer server, so it has a higher class of processor.

  I have a virtual machine that needs as much CPU as it can get, when she needs it.  However, I don't want to put it on manual or anything like that, because if the host is in maintenance mode, or something, I would like to migrate off VM.  But as soon as the host comes back online, I would that this VM to go as soon as possible.

  Is it possible to implement this type of "affinity" with a particular host?

  This ordinary handling DRS rules don't really work, because the virtual machine is somehow a user UC 'bursts '.  Normally, it does not use a lot of CPU, but when that happens, it does.

  I'm just curious to know if this is possible or not.  Thanks in advance!

  Russ

  No, you can not install this type of affinity.

  ---

  MCP, MCTS, VCP, VMware vExpert 2009

  http://blog.vadmin.ru