I have a 4 node Server 2012 R2 Hyper-V Cluster and manage it with VMM 2012 R2.  I just upgraded the cluster from 2012 RTM to 2012 R2 last week which meant pulling 2 nodes out of the existing cluster, creating the new R2 cluster, running the copy cluster roles wizard since the VHDs are stored on CSVs, and then added the other 2 nodes after installing R2 on them, back into the cluster.  After upgrading the cluster I am unable to migrate some VMs from one node to another.  When trying to do a live migration, I get the following notifications under the Rating Explanation tab:

Warning: There currently are not network adapters with network optimization available on host Node7. 

Error: Configuration issues related to the virtual machine VM1 prevent deployment and must be resolved before deployment can continue. 

I get this error for 3 out of the 4 nodes in the cluster.  I do not get this error for Node10 and I can live migrate to that node in VMM.  It has a green check for Network optimization.  The others do not.  These errors only affect VMM. In the Failover Cluster Manager, I can live migrate any VM to any node in the cluster without any issues.  In the old 2012 RTM cluster I used to get the warning but I could still migrate the VMs anywhere I wanted to.  I've checked the network adapter settings in VMM on VM1 and they are the same as VM2 which can migrate to any host in VMM.  I then checked the network adapter settings of the VMs from the Failover Cluster Manager and VM1 under Hardware Acceleration has "Enable virtual machine queue" and Enable IPsec task offloading" checked.  I unchecked those 2 boxes refreshed the VMs, refreshed the cluster, rebooted the VM and refreshed again but I still could not live migrate VM1.  Why is this an issue now but it wasn't before running on the new cluster?  How do I resolve the issue?  VMM is useless if I can't migrate all my VMs with it.

Hello everyone,

I have a problem when creating the cluster in SCVMM 2012 R2. I am trying to create the cluster with 2 nodes, but the creation fails on step 1.5 "Creating cluster" with error:

Error (25302)
Failed to create the process to execute the task. Error A required privilege is not held by the client.
Recommended Action
Check if the user has permission on the VMM server and retry the operation.

- Cluster exists of 2 hosts

- 4 logical networks: managent, storage, live migration and CSV

- Both have all the virtual switches already setup and every nic can ping storage and the other node

- I am using a Equallogic PS4100 SAN. Plugin is loaded in SCVMM and SCVMM can see the LUNs

- All iSCSI connections on node are connected, but the LUNs have no in disk letter assigned in disk management

- Quorum disk is seen by all nodes and set to offline when creating cluster. Cluster wizard sets it online when creation starts.

- SCVMM service account and SCVMM runas account are both configured and local admin on all Hyper-v nodes.

I use a 3rd node added to SCVMM to run the application server with SCVMM on it. This node has also access to all logical networks. The server with SCVMM has access to the storage network and management network. 

- Policies have been blocked for inheritance ( i have moved all servers to an empty test OU)

- Firewalls are all off

- Used domain admin account to create the cluster

-SCVMM admin and SCVMM service account have sysadmin access on DB (named sql 2012 standard instance on same application server as scvmm)

- Cluster validation fails with an error on "Validate SCSI-3 Persistent Reservation" but I think that that is a bogus error because it refers to disk 0, which is the C drive. I think that this can be ignored:

- Exactly same error ( privilege not held by client) when turn on "Do not validate cluster" option in cluster wizard.

Anyone any idea where to look?

Edit: I wanted to change permissions on the iscsi quorum disk (located on EQL SAN) on NODE1, but failed to do so. I am nu sure if I should be able to do this, bcause I am not really a SAN/ EQuallogic expert. I would suspect that I could do this because it is an ntfs disk and the NODE1 has it online and is therefore owner? Is suspect that it is something with this disk and/ or something with the Equallogic permissions...

Hello All

We experienced an issue yesterday (which other events could've occurred but i'm just trying to rule out things) where our SCVMM 2012 r2 Cluster CSVs went offline and we saw that on our Dell Compellent SAN had no mappings to the cluster. So we remapped everything and after 1 hour starting up all the virtual machines via Failover cluster manager everything was up. Now we are trying to figure How/Why it happened?

We have came up with the following scenarios...

1. Bug in the SAN Compellent

2. VMM Putting the Host/Node in Maintenance mode then evicting cause it. Is this possible?

3. Connectivity issue back to our SAN from the blade server but we don't see any things in the logs saying ports went down on the SAN but we are still trying to confirm on the Hosts.

4. Network Saturation on the ISCSI protocol? our Hosts are connected to the SAN via ISCSI

Does anyone have suggestions or ideas or experienced this?

HI all,

I have some VMs, running in a clustered Hyper-V host , i wana live migrate these VMs to a stand alone host. I alreaady checked with SCVMM by adding the standalone Host as a perimeter host and tried to move the VM. VM was migrated successfully, but the VM was down till the VHD gets copied to the destination Standalone host.

Is there is any work around to do a live migrate without down time.   with or without SCVMM

Hi,

The scenario is the following:

• SCVMM 2012 R2. Stand alone (HyperV virtual machine).
• SQL 2012 SP1. Installed in the same server.

The need:

• Implement a SCVMM cluster (SQL cluster too. https://blogs.technet.microsoft.com/scvmm/2015/01/27/setting-up-a-highly-available-vmm-2012-r2-environment/)

The question is:

Is it possible to create a SCVMM cluster from a stand alone server?

if no

Is it possible to migrate SCVMM from stand alone environment to cluster environment?

Thanks in advance!

I have created a cert with powershell (command on the KB article) & IIS self signed. Imported the self signed certificate in the User & Computer personal store with key.

After reboot, new installed VMM 2012r2 CU10 on 2012r2 keeps telling me: No certificate available. No certificate meet the application criteria.

Is a self signed certificate nolonger working?

Hi,

 I’m trying to setup a Hyper-V SCVMM cluster and I have a few questions. I started with 2 identical hosts, both with 4 NICS, for LM, VM, iSCSI and management. I’ve decided to physically team the NICs so that:

Team 1 – Storage and Management
Team 2 – LM and VMs

I started by configuring the iSCSI and Management NICs on 2 hosts before adding them to SCVMM Management – 172.20.95.xx subnet iSCSI – 172.20.85.xx subnet

I’ve enabled MPIO and iSCSI on the hosts and then configured networking within SCVMM for my hosts by creating 2 logical switches (1 for each team) and then added a single virtual adapter. See graphics below – Host 1 and Host 2.

I’ve added my iSCSI SAN storage to SCVMM (this can see the storage OK)

After this configuration, the IP address for both hosts has been assigned to adapter “Ethernet vEthernet (Data Centre Switch) “. The iSCSI adapter address has just disappeared.

I’ve then tried setting up a cluster via SCVMM, but that fails with an 2916 Error “The connection to agent Host2 was lost”.

After this, I can still see the iSCSI disks as offline on SCVMM, but in addition:

-          They show up as offline on Host 1

-          They don’t show up at all on Host 2

I have some questions:

-          Do I need to create an iSCSI virtual adapter on each host and assign it an IP for this to work?

-          How is host 1 still able to view the iSCSI target disks as offline when the adapter’s iSCSI IP has been stripped from the NIC by SCVMM?

My aim is to get a cluster up and running using SCVMM, any tips on doing this would be much appreciated .

Thank you

Hi all,

have SCVMM RTM.

have a 2 node Hyper-V cluster, both nodes are fully patched.

When trying to the cluster into SCVMM I get an error: 13805

"Unable to contact cluster service on SCLU680.xxx"

Recommende action: Ensure that the provided name is a cluster name or the computer name of a node in the cluster, and that the cluster is listed in Active Directory Domain Services. For a newly created cluster, you might need to wait for the cluster name to be added to Active Directory Domain Services.

Strange thing is that I was successfull 2 weeks earlier in adding this cluster to the beta release of SCVMM ...

For completeness: I also check the " Reassociate host with thsi virtual machine manager server" ...

Anyone an idea ?

BR, Peter

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Hi, currently running 2 hosts windows 2012 R2 with Hyper-v both connected to SAN in a Failover Cluster.  I would like to add a few of MySQL servers to this failover allowing to me to work on one MySQL server offline while my other MySQL server with the same name different IP takes over the functions.

Can anyone provide with me any suggestions how to accomplish this?  I have already installed the MySQL service on both hosts, and edited the "my.ini" file pointing to the clustered storage disk location where the MySQL data will be located.

Thanks

I have a Compellent SAN configured with a 20TB CSV that is used for the HA VMs. On top of that I have configured six 5TB LUNs that are assigned to the individual hypervisors (1 each). Sometimes without knowing until it's too late the FCM (Failover Cluster Manager) takes control of one of the non-HA LUNS and assigns it to the current storage owner. This, of course, breaks any VM with resources stored on that LUN.

Is there a way to tell FCM to not take control of a certain disk or LUN from the hypervisors?

I have a big confusion on cloud computing that, how is it managed in terms of h/w allocation, shared storage, fail-over, usage etc so all my doubts are listed below.

1. I have created 2 HyperV servers in a clusture with all VMs stored in shared storage (microsoft iSCSI). If any 1 of my HyperV server goes down, VMs are shifted to other HyperV server. I have also configured 4th server as HyperV replica (Kept in another building) so if my shared storage, both HyperV or whole clusture goes down i can still start my VMs on HyperV replica. So my question is, is this a private cloud?

2. If above is not a cloud, then What is a private cloud?

3. What is the role of SCVVM in private cloud setup?

4. What is the role of Azure Pack in private cloud setup?

5. SOMEONE told me that my setup (1) is not a cloud. Its just a HyperV cluster and I should create a cloud because cloud has the capabilities to merge computing, storage and RAM capacity of all members of the cloud, like that if 1 want to run a VM with 16 GB of RAM, then cloud can give 8GB RAM from 1 HyperV server and another 8GB RAM from 2nd HyperV server and if my 1st HyperV server goes down, cloud will shift that lost 8GB RAM to 3rd HyperV server but my VM will get 16GB of RAM in any situation. Same is for disk. I dont need any shared storage to create a cloud, If 1 storage server goes down, then my VMs will start running from another server because cloud keeps data InSync to all the member servers. Same is the perception for processor so, IS THIS THE PRIVATE CLOUD ??

All que/doubts i talked above is for Operating system virtualization.

Can someone please clear it. I searched for all doubts but didn't got Insight. May be, because of less understanding on this topic.

Thanks, Rishi Pandit.

While adding file storage to cluster in VMM all good. Access status of share (green good).

After few minutes access status change to (question mark). Press repair and have the error window.

1) FW on file server open 5985-5986 and 443 port

2) WS-management service works

3) File server and VMM and hosts place in the same domain

4) Give share security full permission to nodes, runas account, cluster account

Hi All,

Good Day!!!,

We are planning to create SCVMM cloud for windows azure pack private deployment.

Infra:

4 Node Windows Failover Cluster / Scale-out file server

Storage provider HP3PAR : Assigned 100 Gb for Quorum / 1 TB for Cloud / 1 TB for MGMT VMs

Software : System Center 2012 R2 DC

OS : windows server 2012 R2 DC

MGMT VMs: SCVMM, SCORC, WAP ---all VM are placed in CSV volume on cluster

In SCVMM :

We added scale-out file server[widows cluster] as storage provider in scvmm

when try to add windows clustered host in to SCVMM we are getting error.

Error (26540)
Host cluster cloudcluster.itqery.in cannot be added because it is already being managed as a clustered file server in VMM.

In this which flow we need to follow for configure scvmm cloud with scale-out file server which is already created from windows

How can we add host cluster into scvmm after add scale-out file server first in scvmm

Also we want each scvmm cloud should be mapped with separate LUN for VM store--how can we achieve this.

for ex. cloud1 tenant vm should store on LUN2, cloud2 tenant vm should store on LUN3

once this is done then only we can use this for Windows azure pack.

appreciate is there any quick help.

Regards, Kesa_Kara Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

Hello,

I get the errors 2912 and 26272 while registering a file share created by VMM on a sofs 2 node cluster.

Share Permissions are set correctly by VMM, but for VMM it is obviously not possible to set ntfs permission.

I run SCVMM 2012 R2 UR3 on a 2012 R2 Server. The sofs cluster is running on 2 2012R2 Servers. The Hyper V Servers are one Hyper-V Server 2012 (the free one) and I get the same errors on a Hyper-V Server 2012 R2 (the free one) 2 node Cluster.

Both Cluster (SOFS and Hyper-V) were created manually with the Failover Cluster Manager.

Hope someone cangive me a hintwhere the problemis coming from.

Thanks in advance

Sebastian

Error (2912)
An internal error has occurred trying to contact the hafs01.lab.internal server: :w:InternalError: :Windows System Error 1332:Zuordnungen von Kontennamen und Sicherheitskennungen wurden nicht durchgeführt. .

WinRM: URL: [http://hafs01.lab.internal:5985], Verb: [INVOKE], Method: [GrantAccess], Resource: [http://schemas.microsoft.com/wbem/wsman/1/wmi/root/microsoft/windows/smb/MSFT_SmbShare?Name=CSV02+ScopeName=SOFS01]

No mapping between account names and security IDs was done (0x80070534)

Recommended Action
Check that WS-Management service is installed and running on server hafs01.lab.internal. For more information use the command "winrm helpmsg hresult". If hafs01.lab.internal is a host/library/update server or a PXE server role then ensure that VMM agent is installed and running. Refer to http://support.microsoft.com/kb/2742275 for more details.


Error (26272)
Failed to grant permissions for share \\sofs01.lab.internal\CSV02 on file server sofs01.lab.internal due to errors during the operation.

Recommended Action
Manually grant permissions on \\sofs01.lab.internal\CSV02.

Hi guys.

i'm trying to work out when creating a cluster for the VMM management servers, do people use a separate hyper-v cluster running these servers as 2 VMs or do they install VMM onto the physical servers themselves?

If it is a hyper-v cluster, I assume that cluster is generally kept separate from the hyper-v cluster than runs the VMs that VMM is managing?

Thanks

Dave

David Hood www.consilium-uk.com

Hi

During a Storage Migration we receive the following error:

Subsequent attempts to then Repair (ignore) the failed migration we get the same error.

WinRM on all nodes in cluster working

Restart SCVMM

Performing any tasks in Cluster Management works 100%

Referenced https://support.microsoft.com/en-us/kb/2742246

Changes:

New storage array was added. Provider configured.

Any guidance/help?

Andrew

I have a 5 server cluster that was working fine up until two days ago.  Under Jobs VMM shows the Refresh host cluster task Failed with a Warning of 13926 "Host cluster <cluster fqdn> was not fully refreshed because not all of the nodes could be contacted."  All the nodes are showing up as good/online (green check). I removed the cluster from VMM and re-added it and I'm getting a blue exclamation mark on the cluster.  Under the cluster properties I see Cluster reserve state: UNKNOWN with Cluster reserve details: blank.  Since I re added the cluster I cannot see my VMs.  I can see them in Hyper-V manager and the cluster is in good health in Failover CLuster manager. 

Error 13926 doesn't seem to be a good search term.

Thoughts?

Brian Gowdey Network Administrator Methods Machine Tools, Inc.