SMB3 for Hyper-V Cluster

I'm contemplating using the much hyped SMB3 backed Hyper-V cluster. I just have a few questions.
1. Is there a way for the SMB3 share to be HA?
2. Is it easily scalable / can I add storage live without downtime?
3. Is there any performance or reliability advantage over iSCSI attached storage?
This is assuming the data within the VHDs is OS and general company data, not large CAD or multimedia data.
I can probably google most of this knowledge but I'm looking for the confirmation from someone who has done / is doing it. Whitepapers can be not so helpful sometimes and sales guys usually have to refer me to their sales engineer. Thanks in advance.
This topic first appeared in the Spiceworks Community

Are there any ways around this limitation without having to install 3rd party software?
I'm surprised I wasn't able to find much about this on any of my searches.
Run your workload inside a virtual machine. Configure guest VM cluster between a pair of VMs running Windows Server 2012 R2 and make built-in MSFT iSCSI target to do a failover. See for reference:
Configure MSFT iSCSI Target for HA
http://technet.microsoft.com/en-us/library/gg232621(v=ws.10).aspx
(yes it would bring up virtualization overhead as all I/O would be routed over VMbus and also you'll be still active-passive as MSFT cannot do active-active but if you don't want to use third-party software and don't care much about performance that's the
viable way to go)
Good luck!
StarWind VSAN [Virtual SAN] clusters Hyper-V without SAS, Fibre Channel, SMB 3.0 or iSCSI, uses Ethernet to mirror internally mounted SATA disks between hosts.

Similar Messages

How to use Fibre Chanel matrifx for Hyper-V Cluster

Hi
I created Hyper-V Cluster (2012 R2) and have Fibre Chanel matrix (4 TB). Is it better co create one big lun for hiper-v storage or create two small luns (2 x 2 TB). Where will be better I/O? All disk used in matrix are the same.
Thank you for help
Kind Regards Tomasz

Hi Yukio,
I agree with Tim , the best way is to contact with hardware vendor for the disk construction of FC storage .
Based on my understanding , if these "basic disks" are same and controlled by same controller , I think it will not create any I/O when you divide it , the total amount of I/O is equal .
Best Regards
Elton Ji
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Hardware for SoFS cluster for Hyper-V

Hi,
I'm considering placing a SoFS cluster in front of my existing SAN to allow a Hyper-V 2012 R2 cluster to use SMB 3.0 shares for storage. 10Gb Ethernet and 8Gb FC used. I would connect the Hyper-V cluster to SoFS with 10Gb Ethernet on separate storage VLAN
and connect the SoFS nodes to the SAN with 8Gb FC. What type of servers would you recommend for this? I'm thinking something like 2x Dell R620 2x 12core xeon cpu, 128GB RAM with 4 10Gb ethernet NICs and 4 8Gb FC HBAs.
This posting is provided "AS IS" with no warranties or guarantees and confers no rights

Hi,
I'm considering placing a SoFS cluster in front of my existing SAN to allow a Hyper-V 2012 R2 cluster to use SMB 3.0 shares for storage. 10Gb Ethernet and 8Gb FC used. I would connect the Hyper-V cluster to SoFS with 10Gb Ethernet on separate storage VLAN
and connect the SoFS nodes to the SAN with 8Gb FC. What type of servers would you recommend for this? I'm thinking something like 2x Dell R620 2x 12core xeon cpu, 128GB RAM with 4 10Gb ethernet NICs and 4 8Gb FC HBAs.
CPU and RAM are not an issue. CPU is completely irrelevant and RAM can be used for CSV cache so more you throw in faster you can go with read-intensive workloads. SMB3 is not cached on SoFS shares. Making long story short: you'll be fine :)
StarWind VSAN [Virtual SAN] clusters Hyper-V without SAS, Fibre Channel, SMB 3.0 or iSCSI, uses Ethernet to mirror internally mounted SATA disks between hosts.

Symantec Antivirus Best Practice for Hyper-v 2012 R2 Cluster

Hi Team ,
I am Working with Hyper-v 2012 R2 Cluster with 5 Node . All are working fine .
Now i am Planning to install Antivirus Symantec in to each node. Please let me know if there is any Best practice guide to install Symantec Antivirus for Hyper-v 2012 R2 Cluster node.
I am using full version of Windows 2012 R2 with hyper-v.
Thanks
Ravi
Ravi

I would also look strongly at no antivirus as well, but if you do, here are the recommended exclusions and possible issues with Anti-Virus to look out for.
Look for the Hyper-V section:
http://social.technet.microsoft.com/wiki/contents/articles/953.microsoft-anti-virus-exclusion-list.aspx
Big things to stay away from from a VM level too:
1. Do not have a set time when all VMs will kick off a scheduled full disk scan. This can create an I/O storm on your hosts as well as saturate the CPUs as well. Look for products or settings that allow for randomization of full disk scans on
the VMs or do not do full disk scans and only keep the real time scanners active on the VMs for incoming writes.
2. Watch for Antivirus products that update all the VMs at the same time. Again, sometimes you can randomize or exclude a scheduled full disk scan, but sometimes an automated update that kicks off say at 12am can then automatically kick off a
mini scan. This can also create disk I/O and CPU storms.
The problem that still exists with many Antivirus products today is that they try to scan as fast as they can and then get out of the way. This works ok for endpoint desktops or laptops, but when you have 50 or more VMs on a host all ramping up trying
to get done as quick as they can, then this can cause some issues.
Rob McShinsky (www.VirtuallyAware.com)
VirtuallyAware - Experiences in a Virtual World (Microsoft MVP - Virtual Machine)

Best design for HA Fileshare on existing Hyper-V Cluster?

Have a three node 2012 R2 Hyper-V Cluster. The storage is a HP MSA 2000 G3 SAS Block Storage with CSV's.
We have a fileserver for all users running as VM on the cluster. Fileserver availability is important and it's difficult to take this fileserver down for the monthly patching. So we want to make these file services HA. Nearly all clients are Windows 8.1,
so SMB 3 can be used.
What is the best way to make these file services HA?
1. The easiest way would probably be to migrate these fileserver ressources to a dedicated LUN on the MSA 2000, and to add a "general fileserver role" to the existing hyper-V cluster. But is it supported and a good solution to provide Hyper-V VM's
and HA file services on the same cluster (even when the performance requirements for file services are not high)? Or does this configuration affect the Hyper-V VM performance too much?
2. Is it better to create a two node guest cluster with "Shared VHDX" for the file services? I'm not sure if this would even work. Because we had "Persistent Reservation" warnings when creating the Hyper-V cluster with the MSA 2000. According "http://blogs.msdn.com/b/clustering/archive/2013/05/24/10421247.aspx",
these warnings are normal with block storage and can be ignored when we never want to create Windows storage pools or storage spaces. But the Hyper-V MMC shows that "shared VHDX" work with "persistent reservations".
3. Are there other possibilities to provide HA file services with this configuration without buying new HW? (Remark: DFSR with two independet Fileservers is probably not a good solution, we have a lot of data that change frequently).
Thank you in advance for any advice and recommedations!
Franz

Hi Franz,
If you are not going to be using Storage Spaces in the Cluster, this is a warning that you can safely ignore.
It passes the normal SCSI3 Persistent Reservation tests, so you are good with those. Additional, when we use the cluster we can install the cluster CAU it will automatically install the cluster updates.
The related KB:
Requirements and Best Practices for Cluster-Aware Updating
https://technet.microsoft.com/en-us/library/jj134234.aspx
Cluster-Aware Updating: Frequently Asked Questions
https://technet.microsoft.com/en-us/library/hh831367.aspx
I’m glad to be of help to you!
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Capacity Planning for Hyper-V individual host and Cluster

Hi Experts
I need to know some basic idea about Capacity planning for Hyper-V which requires Capacity Planning for Hyper-V individual host and Cluster.
I got attached info on websites but still not clear. Can someone link me to an effective website or help me to calculate the required sizing. W
Regards Suman B. Singh

Hi,
You might want to check out these websites:
http://www.microsoft.com/en-us/download/details.aspx?id=39057
http://technet.microsoft.com/en-us/library/dd277865(v=office.12).aspx
http://technet.microsoft.com/en-us/solutionaccelerators/dd537570.aspx
Cheers
Andrew

What is the best free backup solution for Hyper-V R2/2012? CSV support is necessary

Hi,
I need so guidance, please.
I’m planning to deploy a free backup solution for my virtual environment and I need your advice. I have the following configuration:
Failover Cluster:
Two Dell Servers
OS: Windows 2012 STD
Each server has two AMD Opteron 4180 6C @ 2.6 GHZ
16 GB – RAM (supports 256GB)
QNAP NAS (CSV)
It’s hosting a DC, an Exchange 2010 and soon a SharePoint 2013 VM
Standalone Hyper-V:
Dell Server
OS: Windows 2008 R2 Datacenter
It has two Intel Xeon E5520 @ 2.2 GHZ
16 GB - RAM
It’s hosting 3 VMs
In my research I found these apps. All of them are limited in some way but they do the job:
Veeam Backup Free Edition v7
Altaro Hyper-V Backup
Unitrends Enterprise Backup
PHD Virtual Backup for Hyper-V
HV Backup from CodePlex
Windows Server Backup (WSB)
What is your experience with them? What would you recommend?
When it comes to money, which one is more affordable? (In case I want to buy the full version)
Thanks in advanced.

Hi,
I need so guidance, please.
I’m planning to deploy a free backup solution for my virtual environment and I need your advice. I have the following configuration:
Failover Cluster:
Two Dell Servers
OS: Windows 2012 STD
Each server has two AMD Opteron 4180 6C @ 2.6 GHZ
16 GB – RAM (supports 256GB)
QNAP NAS (CSV)
It’s hosting a DC, an Exchange 2010 and soon a SharePoint 2013 VM
Standalone Hyper-V:
Dell Server
OS: Windows 2008 R2 Datacenter
It has two Intel Xeon E5520 @ 2.2 GHZ
16 GB - RAM
It’s hosting 3 VMs
In my research I found these apps. All of them are limited in some way but they do the job:
Veeam Backup Free Edition v7
Altaro Hyper-V Backup
Unitrends Enterprise Backup
PHD Virtual Backup for Hyper-V
HV Backup from CodePlex
Windows Server Backup (WSB)
What is your experience with them? What would you recommend?
When it comes to money, which one is more affordable? (In case I want to buy the full version)
Thanks in advanced.
Any Altaro Hyper-V Backup User?

Hyper-V cluster: Unable to fail VM over to secondary host

I am working on a Server 2012 Hyper-V Cluster. I am unable to fail my VMs from one node to the other using either LIVE or Quick migration.
A force shutdown of VMHost01 will force a migration to VMHost02. And once we are on VMHost02 we can migrate back to VMHost01, but once that is done we can't move the VMs back to VMHost02 without a force shutdown.
The following error pops up:
Event ID: 21502 The Virtual Machine Management Service failed to establish a connection for a Virtual machine migration with host.... The connection attempt failed because the connected party did not properly respond after a period of time, or the established
connection failed because connected host has failed to respond (0X8007274C)
Here's what I noticed:
VMMS.exe is running on VMHost02 however it is not listening on Port 6600. Confirmed this after a reboot by running netstat -a. We have tried setting this service to a delayed start.
I have checked Firewall rules and Anti-Virus exclusions, and they are correct. I have not run the cluster validation test yet, because I'll need to schedule a period of downtime to do so.
We can start/stop the VMMS.exe service just fine and without errors, but I am puzzled as to why it will not listen on Port 6600 anywhere. Anyone have any suggestions on how to troubleshoot this particular issue?
Thanks,
Tho H. Le

Just ran into the same issue in a 16-node cluster being managed by VMM. When trying to live migrate VMs using the VMM console the migration would fail with the following: Error 10698. Failover Cluster manager would report the following error code: Error
(0x8007274C).
+ Validated Live Migration and Cluster networks. Everything checked out.
+ Looking in Hyper-V manager and migrations are enabled and correct networks displayed.
+ Found this particular Blog that mentions that the Virtual Machine Management service is not listening to port 6600
http://blogs.technet.com/b/roplatforms/archive/2012/10/16/shared-nothing-migration-fails-0x8007274c.aspx
Ran the following from an elivated command line:
Netstat -ano | findstr 6600
Node 2 did not return anything
Node 1 returned correct output:
TCP
10.xxx.251.xxx:6600
0.0.0.0:0
LISTENING
4540
TCP
10.xxx.252.xxx:6600
0.0.0.0:0
LISTENING
4560
Set Hyper-V Virtual Machine Service to delayed start.
Restarted the service; no change.
Checked the Event Logs for Hyper-V VMMS and noted the following events - VMMS Listener started
for Live Migration networks, and then shortly after listener stopped.
Removed the system from the cluster and restarted - No change
Checked this host by running gpedit.msc - could not open console: Permission Error
Tried to run a GPO refresh (gpupdate /force), but error returned that LocalGPO could not apply registry settings. Group Policy
processing would not continue until this was resolved.
Checked the local group policy folder on node 2 and it was corrupt:
C:\Windows\System32\GroupPolicy\Machine\reg.pol showed 0K for the size.
Copied local policy folders from Node 1 to 2, and then was able to refresh the GPOs.
Restarting the VMMS service did not change the status of the ports.
Restarted Server, added Live Migration networks back into Hyper-V manager and now netstat output reports that VMMS service
is listening on 6600.

Unplanned failover in a Hyper-V cluster vs unplanned failover in an ordinary (not Hyper-V) cluster

Hello!
Please excuse me if you think my question is silly, but before deploying something in a production environment I'd like to dot the i's and cross the t's.
1) Suppose there's a two node cluster with a Hyper-V role that hosts a number of highly available VM.
If the both cluster nodes are up and running an administrator can initiate a planned failover wich will transfer all VMs
including their system state to another node without downtime.
In case any cluster node goes down unexpectedly the unplanned failover fires up that will transfer all VMs to another node
WITHOUT their system state. As far as I understand this can lead to some data loss.
http://itknowledgeexchange.techtarget.com/itanswers/how-does-live-migration-differ-from-vm-failover/
If, for example, I have an Exchange vm and it would be transfered to the second node during unplanned failover in the Hyper-V cluster I will lose some data by design.
2) Suppose there's a two node cluster with the Exchange clustered installation: in case one node crashes the other takes over without any data loss.
Conclusion: it's more disaster resilient to implement some server role in an "ordinary" cluster that deploy it inside a vm in the Hyper-V cluster.
Is it correct?
Thank you in advance,
Michael

"And if this "anything in memory and any active threads" is so large that can take up to 13m15s to transfer during Live Migration it will be lost."
First, that 13m15s required to live migrate all your VMs is not the time it takes to move individual VMs. By default, Hyper-V is set to move a maximum of 2 VMs at a time. You can change that, but it would be foolish to increase that value if
all you have is a single 1GE network. The other VMs will be queued.
Secondly, you are getting that amount of time confused with what is actually happening. Think of a single VM. Let's even assume that it has so much memory and is so active that it takes 13 minutes to live migrate. (Highly unlikely, even
on a 1 GE NIC). During that 13 minutes the VM takes to live migrate, the VM continues to perform normally. In fact, if something happens in the middle of the LM, causing the LM to fail, absolutely nothing is lost because the VM is still operating
on the original host.
Now let's look at what happens when the host on which that VM is running fails, causing a restart of the VM on another node of the cluster. The VM is doing its work reading and writing to its data files. At that instance in time when the host
fails, the VM may have some unwritten data buffers in memory. Since the host fails, the VM crashes, losing whatever it had in memory at the instant in time. It is not going to lose any 13 minutes of data. In fact, if you have an application
that is processing data at this volume, you most likely have something like SQL running. When the VM goes down, the cluster will automatically restart the VM on another node of the cluster. SQL will automatically replay transaction logs to recover
to the best of its ability.
Is there a possibility of data loss? Yes, a very tiny possibility for a very small amount. Is there a possibility of data corruption? Yes, a very, very tiny possibility, just like with a physical machine.
The amount of time required for a live migration is meaningless when it comes to potential data loss of that VM. The potential data loss is pretty much the same as if you had it running on a physical machine, the machine crashed, and then restarted.
"clustered applicationsDO NOT STOP working during unplanned failover (so there is no recovery time), "
Not exactly true. Let's use SQL as an example again. When SQL is instsalled in a cluster, you install at a minimum one instance, but you can have multiple instances. When the node on which the active instance is running fails, there is
a brief pause in service while the instance starts on the other node. Depending on transactions outstanding, last write, etc., it will take a little bit of time for the SQL instance to be ready to start handling requests on the new node.
Yes, there is a definite difference between restarting the entire VM (just the VM is clustered) and clustering the application. Recovery time is about the biggest issue. As you have noted, restarting a VM, i.e. rebooting it, takes time.
And because it takes a longer period of time, there is a good chance that clients will be unable to access the resource for a period of time, maybe as much as 1-5 minutes depending upon a lot of different factors, whereas with a clustered application, the
clients may be unable to access for up to a minute or so.
However, the amount of data potentially lost is quite dependent upon the application. SQL is designed to recover nicely in either environment, and it is likely not to lose any data. Sequential writing applications will be dependent upon things
like disk cache held in memory - large caches means higher probability of losing data. No disk cache means there is not likely to be any loss of data.
.:|:.:|:. tim

Cluster Quorum Disk failing inside Guest cluster VMs in Hyper-V Cluster using Virtual Disk Sharing Windows Server 2012 R2

Hi, I'm having a problem in a VM Guest cluster using Windows Server 2012 R2 and virtual disk sharing enabled.
It's a SQL 2012 cluster, which has around 10 vhdx disks shared this way. all the VHDX files are inside LUNs on a SAN. These LUNs are presented to all clustered members of the Windows Server 2012 R2 Hyper-V cluster, via Cluster Shared Volumes.
Yesterday happened a very strange problem, both the Quorum Disk and the DTC disks got the information completetly erased. The vhdx disks themselves where there, but the info inside was gone.
The SQL admin had to recreated both disks, but now we don't know if this issue was related to the virtualization platform or another event inside the cluster itself.
Right now I'm seen this errors on one of the VM Guest:
Log Name: System
Source: Microsoft-Windows-FailoverClustering
Date: 3/4/2014 11:54:55 AM
Event ID: 1069
Task Category: Resource Control Manager
Level: Error
Keywords:
User: SYSTEM
Computer: ServerDB02.domain.com
Description:
Cluster resource 'Quorum-HDD' of type 'Physical Disk' in clustered role 'Cluster Group' failed.
Based on the failure policies for the resource and role, the cluster service may try to bring the resource online on this node or move the group to another node of the cluster and then restart it. Check the resource and group state using Failover Cluster
Manager or the Get-ClusterResource Windows PowerShell cmdlet.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-FailoverClustering" Guid="{BAF908EA-3421-4CA9-9B84-6689B8C6F85F}" />
<EventID>1069</EventID>
<Version>1</Version>
<Level>2</Level>
<Task>3</Task>
<Opcode>0</Opcode>
<Keywords>0x8000000000000000</Keywords>
<TimeCreated SystemTime="2014-03-04T17:54:55.498842300Z" />
<EventRecordID>14140</EventRecordID>
<Correlation />
<Execution ProcessID="1684" ThreadID="2180" />
<Channel>System</Channel>
<Computer>ServerDB02.domain.com</Computer>
<Security UserID="S-1-5-18" />
</System>
<EventData>
<Data Name="ResourceName">Quorum-HDD</Data>
<Data Name="ResourceGroup">Cluster Group</Data>
<Data Name="ResTypeDll">Physical Disk</Data>
</EventData>
</Event>
Log Name: System
Source: Microsoft-Windows-FailoverClustering
Date: 3/4/2014 11:54:55 AM
Event ID: 1558
Task Category: Quorum Manager
Level: Warning
Keywords:
User: SYSTEM
Computer: ServerDB02.domain.com
Description:
The cluster service detected a problem with the witness resource. The witness resource will be failed over to another node within the cluster in an attempt to reestablish access to cluster configuration data.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-FailoverClustering" Guid="{BAF908EA-3421-4CA9-9B84-6689B8C6F85F}" />
<EventID>1558</EventID>
<Version>0</Version>
<Level>3</Level>
<Task>42</Task>
<Opcode>0</Opcode>
<Keywords>0x8000000000000000</Keywords>
<TimeCreated SystemTime="2014-03-04T17:54:55.498842300Z" />
<EventRecordID>14139</EventRecordID>
<Correlation />
<Execution ProcessID="1684" ThreadID="2180" />
<Channel>System</Channel>
<Computer>ServerDB02.domain.com</Computer>
<Security UserID="S-1-5-18" />
</System>
<EventData>
<Data Name="NodeName">ServerDB02</Data>
</EventData>
</Event>
We don't know if this can happen again, what if this happens on disk with data?! We don't know if this is related to the virtual disk sharing technology or anything related to virtualization, but I'm asking here to find out if it is a possibility.
Any ideas are appreciated.
Thanks.
Eduardo Rojas

Hi,
Please refer to the following link:
http://blogs.technet.com/b/keithmayer/archive/2013/03/21/virtual-machine-guest-clustering-with-windows-server-2012-become-a-virtualization-expert-in-20-days-part-14-of-20.aspx#.Ux172HnxtNA
Best Regards,
Vincent Wu
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2012 R2 Hyper-V Cluster two node design with abundance 1Gbps NICs and FC storage

Hello All,
First post so please be gentle!
We are currently in the process of building/testing the upgrade of two node 2012 R2 Hyper-V cluster.
Two hosts built with Datacentre 2012 R2 which will host approx. 30 VM's.
Shared storage will be fault tolerant FC- connection.
10, (yes 10!) 1Gbps NICs are available, Intel i350.
trying to decide on teaming interfaces using native LBFO and the 2008 'style' of using un-converged networking, or teaming up most interfaces and using QoS. Can find many/numerous examples of using 10Gbps NICs and converged, however 10Gbps networking
isn't an option right now.
recommendations appreciated.
thanks

Hi Sir,
>>trying to decide on teaming interfaces using native LBFO and the 2008 'style' of using un-converged networking, or teaming up most interfaces and using QoS.
The following link detailed the teaming configuration and it's applicable scenario (server 2012):
http://www.aidanfinn.com/?p=14039
Also please refer to the document for 2012R2 LBFO :
http://www.microsoft.com/en-us/download/details.aspx?id=40319
In server 2012R2 , there is a new setting "Dynamic" for "load banacing mode " and it is recommended to use Dynamic for "Load banacing mode" :
If you can accept 1GB max bandwidth for each VM I would suggest you to use LBFO mode : Independent/dynamic/None(All adapter active) .
Best Regards,
Elton Ji
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Server 2012 R2 Hyper-V Cluster, VM blue screens after migration between nodes.

I currently have a two node Server 2012 R2 Hyper-v Cluster (fully patched) with a Windows Server 2012 R2 Iscsi target.
The VMs run fine all day long, but when I try to do a live/quick migration the VM blue screens after about 20 minutes. The blue reports back about a “Critical_Structure_Corruption”.
I’m being to think it might be down to CPU, as one system has an E-2640v2 and the other one has an E5-2670v3. Should I be able to migrate between these two systems with these type of CPU?
Tim

Sorry Tim, is that all 50 blue screen if live migrated?
Are they all on the latest integration services? Does a cluster validation complete successfully? Are the hosts patched to the same level?
The fact that if you power them off then migrate them and they boot fine, does point to a processor incompatibility and the memory BIN file is not accepted on the new host.
Bit of a long shot but the only other thing I can think of off the top of my head if the compatibility option is checked, is checking the location of the BIN file when the VM is running to make sure its in the same place as the VHD\VHDX in the
CSV storage where the VM is located and not on the local host somewhere like C:\program data\.... that is stopping it being migrated to the new host when the VM is live migrated.
Kind Regards
Michael Coutanche
Blog:
Twitter: LinkedIn:
Note: Posts are provided “AS IS” without warranty of any kind, either expressed or implied, including but not limited to the implied warranties of merchantability and/or fitness for a particular purpose.

2012 R2 Hyper-V Cluster Replication to Single Non-Cluster Host?

I can't seem to find a straight answer and in my testing, this doesn't seem to work. Is it supported to replicate from a 2012 R2 Hyper-V cluster to a remote, single 2012 R2 Hyper-V non-cluster host?

Yes, it's supported, and yes it works. The cluster uses the Hyper-V Replica Broker and the destination system does not.
Eric Siron Altaro Hyper-V Blog
I am an independent blog contributor, not an Altaro employee. I am solely responsible for the content of my posts.
"Every relationship you have is in worse shape than you think."
To replicate back to the primary site I'll need a replica broker at the DR site however, correct?

Using Datasources.xml in backup of Hyper-V cluster and standalone Hyper-V hosts

Hi!
I have a DPM 2012 server which I have used to backup standalone Hyper-V hosts and Exchange 2010 server active DAG node. Since yesterday I have added Hyper-V cluster backup, and now I have generated Datasources.xml using .\DSConfig.ps1 on one of the
Hyper-V nodes.
My question is: Do I have to manually add other protected data sources (Exchange, VMs from standalone hosts) to Datasources.xml? Or this xml is used only for CSV clusters?
Thanks in advance for your answers!
Kruno

Hi,
Yes, but the key is wrong - this is required as part of the csv serialization configuration.
On the DPM Server, Copy / paste below into notepad, then save as MaxAllowedParallelBackups.reg on the DPM server, then right-click and select merge.
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft Data Protection Manager\2.0\Configuration\MaxAllowedParallelBackups]
"Microsoft Hyper-V"=dword:00000001
Please review these two sources to assist you.
http://social.technet.microsoft.com/wiki/contents/articles/17493.protecting-hyper-v-virtual-machines-with-system-center-dpm-2012.aspx
http://blogs.technet.com/b/dpm/archive/2010/12/09/system-center-data-protection-manager-2010-hyper-v-protection-configuring-cluster-networks-for-csv-redirected-access.aspx
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. Regards, Mike J. [MSFT]
This posting is provided "AS IS" with no warranties, and confers no rights.

Hyper-v cluster with core switch downtime... what to do?

Is there a way to essentially "pause" the hyper-v cluster and keep things running but do NOT attempt to failover anything for any reason?
We have one Procurve 5412zl switch with two c7000 enclosures. In each c7000 enclosure there are two switches that connect all the blade servers within the enclosure. Those two switches are interconnected internally so they can communicate within the enclosure.
So if the core switch goes down the hyper-v servers in the same c7000 enclosure can still communicate but they will be seperated from the others in the other enclosure.
So we have 4 hyper-v servers in one enclosure and 3 in another. If i disconnect the core switch i'm wondering what will happen (if I reboot the switch which is what I need to do).
How can I avoid having to shut down everything for this and just tell hyper-v cluster to not do anything when the network is lost?

Hi Quadrantids,
" to essentially "pause" the hyper-v cluster and keep things running but
do NOT attempt to failover anything for any reason"
Based on my understanding you need to keep cluster running on the same C7000 enclosure , in another words before you cut the connection between the C7000 enclosures you may migrate VMs to same enclosure to keep running (I assume that the
storage will not be affected by the restart ).
Best Regards
Elton Ji
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SMB3 for Hyper-V Cluster

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