Hyper-V live migration failed

There is Hyper-V cluster with 2 nodes. Windows Server 2012 R2 is used as operating system.
Trying to live migrate test VM from node 1 to node 2 and get error 21502:
Live migration of 'Virtual Machine test' failed.
'Virtual Machine test' failed to fixup network settings. Verify VM settings and update them as necessary.
VM has Network Adapter connected to Virtual switch. This vSwitch has Private network as connection type.
If I set virtual switch property to "Not connected" in Network Adapter settings of VM I get successful migration.
All VM's that are not connected to any private networks (virtual switches with private network connection type) can be live migrated without any issues.
Is there any official reference related to Hyper-V live migration of VM's that have "private network" connection type?

I can Live Migrate virtual machines with adapters on private switches without error. Aside from having the wrong name, the only way I can get it to fail is if I make the switch on one host use a different QoS minimum mode than the other and
enable QoS on the virtual adapter. Even then I get a different message than what you're getting. I only get that one with differently named switches.
There is a PowerShell cmdlet available to see why a guest won't run on another host.
Here's an example of its usage.
There's a way to use it to get it to Live Migrate.
But there is no way to truly Live Migrate three virtual machines in perfect lockstep. Even if you figure out whatever is preventing you from migrating these machines, there will still be periods during Live Migration where they can't communicate across that
private network. You also can't guarantee that all these guests will always be running on the same host without preventing Live Migration in the first place. This is why there really isn't anyone doing what you're trying to do. I suggest you consider another
isolation solution, like VLANs.
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."

Similar Messages

Hyper-V Live Migration Compatibility with Hyper-V Replica/Hyper-V Recovery Manager

Hi,
Is Hyper-V Live Migration compatible with Hyper-V Replica/Hyper-V Recovery
Manager?
I have 2 Hyper-V clusters in my datacenter - both using CSVs on Fibre Channel arrays. These clusters where created and are managed using the same "System Center 2012 R2 VMM" installation. My goal it to eventually move one of these clusters to a remote
DR site. Both sites are connected/will be connected to each other through dark fibre.
I manually configured Hyper-V Replica in the Fail Over Cluster Manager on both clusters and started replicating some VMs using Hyper-V
Replica.
Now every time I attempt to use SCVMM to do a Live Migration of a VM that is protected using Hyper-V Replica to
another host within the same cluster,
the Migration VM Wizard gives me the following "Rating Explanation" error:
"The virtual machine virtual machine name which
requires Hyper-V Recovery Manager protection is going to be moved using the type "Live". This could break the recovery protection status of the virtual machine.
When I ignore the error and do the Live Migration anyway, the Live migration completes successfully with the info above. There doesn't seem to be any impact on the VM or it's replication.
When a Host Shuts-down or is put into maintenance, the VM Migrates successfully, again, with no noticeable impact on users or replication.
When I stop replication of the VM, the error goes away.
Initially, I thought this error was because I attempted to manually configure
the replication between both clusters using Hyper-V Replica in Failover Cluster Manager (instead of using Hyper-V Recovery Manager).
However, even after configuring and using Hyper-V Recovery Manager, I still get the same error. This error does not seem to have any impact on the high-availability of
my VM or on Replication of this VM. Live migrations still occur successfully and replication seems to carry on without any issues.
However, it now has me concern that Live Migration may one day occur and break replication of my VMs between both clusters.
I have searched, and searched and searched, and I cannot find any mention in official or un-official Microsoft channels, on the compatibility of these two features.
I know vMware vSphere replication and vMotion are compatible with each otherhttp://pubs.vmware.com/vsphere-55/index.jsp?topic=%2Fcom.vmware.vsphere.replication_admin.doc%2FGUID-8006BF58-6FA8-4F02-AFB9-A6AC5CD73021.html.
Please confirm to me: Are Hyper-V Live Migration and Hyper-V Replica compatible
with each other?
If they are, any link to further documentation on configuring these services so that they work in a fully supported manner will be highly appreciated.
D

This can be considered as a minor GUI bug.
Let me explain. Live Migration and Hyper-V Replica is supported on both Windows Server 2012 and 2012 R2 Hyper-V.
This is because we have the Hyper-V Replica Broker Role (in a cluster) that is able to detect, receive and keep track of the VMs and the synchronizations. The configuration related to VMs enabled with replications follows the VMs itself.
If you try to live migrate a VM within Failover Cluster Manager, you will not get any message at all. But VMM will (as you can see), give you an
error but it should rather be an informative message instead.
Intelligent placement (in VMM) is responsible for putting everything in your environment together to give you tips about where the VM best possible can run, and that is why we are seeing this message here.
I have personally reported this as a bug. I will check on this one and get back to this thread.
Update: just spoke to one of the PMs of HRM and they can confirm that live migration is supported - and should work in this context.
Please see this thread as well: http://social.msdn.microsoft.com/Forums/windowsazure/en-US/29163570-22a6-4da4-b309-21878aeb8ff8/hyperv-live-migration-compatibility-with-hyperv-replicahyperv-recovery-manager?forum=hypervrecovmgr
-kn
Kristian (Virtualization and some coffee: http://kristiannese.blogspot.com )

Live Migration failed using virtual HBA's and Guest Clustering

Hi,
We have a Guest Cluster Configuration on top of an Hyper-V Cluster. We are using Windows 2012 and Fiber Channel shared storage.
The problem is regarding Live Migration. Some times when we move a virtual machine from node A to node B everything goes well but when we try to move back to node A Live Migration fails. What we can see is that when we move the VM from node A to B and Live
Migration completes successfully the virtual ports remain active on node A, so when we try to move back from B to A Live Migration fails because the virtual ports are already there.
This doesn't happen every time.
We have checked the zoning between Host Cluster Hyper-V and the SAN, the mapping between physical HBA's and the vSAN's on the Hyper-V and everything is ok.
Our doubt is, what is the best practice for zoning the vHBA on the VM's and our Fabric? We setup our zoning using an alias for the vHBA 1 and the two WWN (A and B) on the same object and an alias for the vHBA 2 and the correspondent WWN (A and B). Is it
better to create an alias for vHBA 1 -> A (with WWN A) and other alias for vHBA 1 -> B (with WWN B)?
The guest cluster VM's have 98GB of RAM each. Could it be a time out issue when Live Migration happen's and the virtual ports remain active on the source node? When everything goes well, the VM moves from node A with vHBA WWN A to node B and stays there
with vHBA WWN B. On the source node the virtual ports should be removed automatically when the Live Migration completes. And that is the issue... sometimes the virtual ports (WWN A) stay active on the source node and when we try to move back the VM Live Migration
fails.
I hope You may understand the issue.
Regards,
Carlos Monteiro.

Hi ,
Hope the following link may help.
To support live migration of virtual machines across Hyper-V hosts while maintaining Fibre Channel connectivity, two WWNs are configured for each virtual Fibre Channel adapter: Set A and Set B. Hyper-V automatically alternates between the Set A and Set B
WWN addresses during a live migration. This ensures that all LUNs are available on the destination host before the migration and that no downtime occurs during the migration.
Hyper-V Virtual Fibre Channel Overview
http://technet.microsoft.com/en-us/library/hh831413.aspx
More information:
Hyper-V Virtual Fibre Channel Troubleshooting Guide
http://social.technet.microsoft.com/wiki/contents/articles/18698.hyper-v-virtual-fibre-channel-troubleshooting-guide.aspx
Hyper-V Virtual Fibre Channel Design Guide
http://blogs.technet.com/b/privatecloud/archive/2013/07/23/hyper-v-virtual-fibre-channel-design-guide.aspx
Hyper-V virtual SAN
http://salworx.blogspot.co.uk/
Thanks.
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.

Live Migration Fails with error Synthetic FiberChannel Port: Failed to finish reserving resources on an VM using Windows Server 2012 R2 Hyper-V

Hi, I'm currently experiencing a problem with some VMs in a Hyper-V 2012 R2 failover cluster using Fiber Channel adapters with Virtual SAN configured on the hyper-v hosts.
I have read several articles about this issues like this ones:
https://social.technet.microsoft.com/Forums/windowsserver/en-US/baca348d-fb57-4d8f-978b-f1e7282f89a1/synthetic-fibrechannel-port-failed-to-start-reserving-resources-with-error-insufficient-system?forum=winserverhyperv
http://social.technet.microsoft.com/wiki/contents/articles/18698.hyper-v-virtual-fibre-channel-troubleshooting-guide.aspx
But haven't been able to fix my issue.
The Virtual SAN is configured on every hyper-v host node in the cluster. And every VM has 2 fiber channel adapters configured.
All the World Wide Names are configured both on the FC Switch as well as the FC SAN.
All the drivers for the FC Adapter in the Hyper-V Hosts have been updated to their latest versions.
The strange thing is that the issue is not affecting all of the VMs, some of the VMs with FC adapters configured are live migrating just fine, others are getting this error.
Quick migration works without problems.
We even tried removing and creating new FC Adapters on a VM with problems, we had to configure the switch and SAN with the new WWN names and all, but ended up having the same problem.
At first we thought is was related to the hosts, but since some VMs do work live migrating with FC adapters we tried migrating them on every host, everything worked well.
My guess is that it has to be something related to the VMs itself but I haven't been able to figure out what is it.
Any ideas on how to solve this is deeply appreciated.
Thank you!
Eduardo Rojas

Hi Eduardo,
How are things going ?
Best Regards
Elton Ji
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Server 2012 r2 live migration fails with hardware error

Hello all, we just upgraded one of our hyper v hosts from server 2012 to server 2012 r2; previously we had live replication setup between it and another box on the network which was also running server 2012. After installing server 2012 r2 when a live migration
is attempted we get the message:
"The virtual machine cannot be moved to the destination computer. The hardware on the destination computer is not compatible with the hardware requirements of this virtual machine. Virtual machine migration failed at migration source."
The servers in question are both dell, currently we have a poweredge r910 running server 2012 and a poweredge r900 running server 2012 r2. The section under processor for "migrate to a physical computer using a different processor" is already checked
and this same vm was successfully being live replicated before the upgrade to server 2012 r2. What would have changed around hardware requirements?
We are migrating from server 2012 on the poweredge r910 to server 2012 r2 on the poweredge r900. Also When I say this was an upgrade, we did a full re install and wiped out the installation of server 2012 and installed server 2012 r2, this was not an upgrade
installation.

The only cause I’ve seen so far is virtual switches being named differently. I do remember that one of our VMs didn’t move, but we simply bypassed this problem, using one-time backup (VeeamZIP, more specifically).
If it’s one-time operation you can use the same procedure for the VMs in question -> backup and restore them at new server.
Kind regards, Leonardo.

Hyper-v Live Migration not completing when using VM with large RAM

hi,
i have a two node server 2012 R2 cluster hyper-v which uses 100GB CSV, and 128GB RAM across 2 physical CPU's (approx 7.1GB used when the VM is not booted), and 1 VM running windows 7 which has 64GB RAM assigned, the VHD size is around 21GB and the BIN file
is 64GB (by the way do we have to have that, can we get rid of the BIN file?).
NUMA is enabled on both servers, when I attempt to live migrate i get event 1155 in the cluster events, the LM starts and gets into 60 something % but then fails. the event details are "The pending move for the role 'New Virtual Machine' did not complete."
however, when i lower the amount of RAM assigned to the VM to around 56GB (56+7 = 63GB) the LM seems to work, any amount of RAM below this allows LM to succeed, but it seems if the total used RAM from the physical server (including that used for the
VMs) is 64GB or above, the LM fails.... coincidence since the server has 64GB per CPU.....
why would this be?
many thanks
Steve

Hi,
I turned NUMA spanning off on both servers in the cluster - I assigned 62 GB, 64GB and 88GB and each time the VM started up no problems. with 62GB LM completed, but I cant get LM to complete with 64GB+.
my server is a HP DL380 G8, it has the latest BIOS (I just updated it today as it was a couple of months behind), i cant see any settings in BIOS relating to NUMA so i'm guessing it is enabled and cant be changed.
if i run the cmdlt as admin I get ProcessorsAvailability : {0, 0, 0, 0...}
if i run it as standard user i get ProcessorsAvailability
my memory and CPU config are as follows, hyper-threading is enabled for the CPU but I dont
think that would make a difference?
Processor 1 1 Good, In Use Yes 713756-081 DIMM DDR3 16384 MB 1600 MHz 1.35 V 2 Synchronous
Processor 1 4 Good, In Use Yes 713756-081 DIMM DDR3 16384 MB 1600 MHz 1.35 V 2 Synchronous
Processor 1 9 Good, In Use Yes 713756-081 DIMM DDR3 16384 MB 1600 MHz 1.35 V 2 Synchronous
Processor 1 12 Good, In Use Yes 713756-081 DIMM DDR3 16384 MB 1600 MHz 1.35 V 2 Synchronous
Processor 2 1 Good, In Use Yes 713756-081 DIMM DDR3 16384 MB 1600 MHz 1.35 V 2 Synchronous
Processor 2 4 Good, In Use Yes 713756-081 DIMM DDR3 16384 MB 1600 MHz 1.35 V 2 Synchronous
Processor 2 9 Good, In Use Yes 713756-081 DIMM DDR3 16384 MB 1600 MHz 1.35 V 2 Synchronous
Processor 2 12 Good, In Use Yes 713756-081 DIMM DDR3 16384 MB 1600 MHz 1.35 V 2 Synchronous
Processor Name
Intel(R) Xeon(R) CPU E5-2695 v2 @ 2.40GHz
Processor Status
OK
Processor Speed
2400 MHz
Execution Technology
12/12 cores; 24 threads
Memory Technology
64-bit Capable
Internal L1 cache
384 KB
Internal L2 cache
3072 KB
Internal L3 cache
30720 KB
Processor 2
Processor Name
Intel(R) Xeon(R) CPU E5-2695 v2 @ 2.40GHz
Processor Status
OK
Processor Speed
2400 MHz
Execution Technology
12/12 cores; 24 threads
Memory Technology
64-bit Capable
Internal L1 cache
384 KB
Internal L2 cache
3072 KB
Internal L3 cache
30720 KB
thanks
Steve

Live Migration - Failed to establish a connection because of an unsupported protocol version (protocol version 5.0)

I'm getting a not the disk and everything) back to the host I originally had it on. Here is my setup:
Host 1 - Microsoft Storage Server 2012 Standard (NAS)
Host 2 - Microsoft Hyper-V Server 2012 (All connected virtual hard drives use the SMB 3.0 protocol to connect to the NAS - Host 1)
Delegation is setup on both of these hosts to include:
-Trust this computer, Use Kerberos only, Services - cifs, Hyper-V Replication, Microsoft Virtual Console Service, Microsoft Virtual System Migration Service
Live Migration is setup on both of these hosts to include:
-Enable incoming and outgoing live migrations using Kerberos
-Use any available network for live migration
I was able to migrate the VM from host 1 to host 2 with no problems. But when I try to migrate the VM host 1 that's when I encounter the error.
I saw a KB article similar to the issue I'm having but it only effects Server 2008 R2 (KB2705759)
I've rebooted both hosts but still get the error. The VM that is on host 2 has it's hard drive on host 1 run's fine so there are no connection issues there.
I've searched the Internet for this issue and keep coming up empty handed. I even named the virtual switch on both hosts the same to see if that would work. Please help! I'd rather not do an export and import of the VM because I'm evaluating
this product so I want to make sure it works before I put it into production.

Hi PPlbrad,
Agree with Shabarinath .
We can just live migration the VM from low version (2012) to high version (2012R2) but the reverse is not ture .
So do hyper-v replica (just for updating )
Best Regards
Elton JI
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are trying to better understand customer views on social support experience, so your participation in this
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Live Migration Failed After Yum Update on 2.2.2

Hi,
I've live migrated vm's from node2 to node1 (master server). Put node2 into maintenance mode, then reconfigure ntp.conf to sync with our new ntp server. While in maintenance mode, I've also ran yum update which updated the kernel from 2.6.18-128.2.1.4.37.el5xen to 2.6.18-128.2.1.4.44.el5xen. In the process, xen was also updated from 3.4.0-0.1.32.el5 to 3.4.0-0.1.39.el5.
After rebooting, I've put node2 back into active mode. But now I can't live migrate the vm's back into node 2. From node1, ovs_operations.log:
"2012-06-23 11:03:28" INFO=> migrate_vm: vm('/OVS/running_pool/1210_vm05') start...
"2012-06-23 11:03:29" INFO=> xen_migrate_vm: migrate with ssl enabled failed, do failover(no ssl). vm('/var/ovs/mount/54DA5753709A48B3BFAEE65C2EAECCE0/running_pool/1210_vm05') -> tgt_srv('node2')
"2012-06-23 11:03:30" ERROR=> xen_migrate_vm: failed. vm('/var/ovs/mount/54DA5753709A48B3BFAEE65C2EAECCE0/running_pool/1210_vm05') -> tgt_srv('node2') =><Exception: xen_migrate_vm: migrate without ssl failed either.>
From node2 ovs_operations.log:
"2012-06-23 11:03:30" INFO=> ha_join_dlm_domain: =>success
"2012-06-23 11:03:30" ERROR=> ha_set_dlm_lock:failed. lock('6f1cb211-ecef-4ac6-af2b-091fc6fd5966') name('1210_vm05')=> <Exception: create lock('/dlm/ovm/f1cb211ecef4ac6af2b091fc6fd5966') failed. <OSError: [Errno 26] Text file busy: '/dlm/ovm/f1cb211ecef4ac6af2b091fc6fd5966'>
Is this due to the different xen versions after the update? How can I live migrate the vm's back to node2 so that I can take node1 into maintenance mode to reconfigure ntp.conf and run yum update?
Thanks!

The next thing to try is to work though the steps in [[Error loading web sites]]. Though if this is happening on all of your computers it might have something to do with your internet connection. Maybe resetting that will help.

VM stays in Status Stopping after live migration failed/was canceled

I have a hyper-v Cluster running on Windows 2012 r2. I tried a live Migration from one node of Cluster to another node of the same Cluster. It got stuck by around 65% (if remembered correctly). After 45 minutes nothing has changed so I canceled the Job in
the Failover Cluster Manager. The VM went into a Status of "Stopping". After 5 hours it is still in Status "stopping". I haven't found any Information on why it got stuck on the 65% and have just found the error message that the Job got
canceled using Failover Cluster Manager events. But nothing saying why it stays in "Stopping" Status. Searched the Internet but I have Trouble finding anything related to the issue I see.
Any ideas?

Hi Saren90,
Please try to disable the process "vmwp.exe " corresponding to the VM in host's task manager.
Best Regards
Elton Ji
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are trying to better understand customer views on social support experience, so your participation in this
interview project would be greatly appreciated if you have time.
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Migration/Live Migration fails with shared storage (SMB), but not all the time

I have 2 Hyper-V Hosts using shared storage via SMB. I'm having intermittent issues with migrations failing. It'll either go through the motions of doing the whole move and fail and/or when I try to start it again I get the following:
I've done a lot of reading on this and have done various things that have been recommended. For each Hyper-V host I've setup delagation via Kerberos. ie. HV_Host1 has CIFS - HV_Host2; CIFS - SMB Server; MS Virtual System Migration Service - HV_Host2 and
vice versa.
On the actual SMB share on the Shared Storage server I added permissions to the folder for HV_Host1, HV_Host2, Storage Server, Domain Admins and my user account for full access.
In Group Policy, I've blocked Inheritance for the OU containing the Hyper-V hosts, though I have added some of the Group Policy's manually that I needed.
Last thing, I also added Domain Admins to the Local GP on each Host for "Log on as a Service" and "Impersonate a client after authentication" as shown in this thread: http://social.technet.microsoft.com/forums/windowsserver/en-US/7e6b9b1b-e5b1-4e9e-a1f3-2ce72ea1e543/unable-to-migrate-create-vm-hyperv-cluster-2012-logon-failure-have-to-restart-the-hyperv
I get these failed migrations regardless if I start them on the actual Host or via the admin console from Win8.
At this point I'm not sure what else to check or the next step to take for this.

Hi Granite,
Please refer to following article to build hyper-v over SMB :
http://technet.microsoft.com/en-us/library/jj134187.aspx#BKMK_Step3
Best Regards
Elton Ji
We
are trying to better understand customer views on social support experience, so your participation in this
interview project would be greatly appreciated if you have time.
Thanks for helping make community forums a great place.

Live Migration Failed while Quick Migration is Ok...Virtual machine with synthetic FC HBA !

When I migration the virtual machine with synthetic FC HBA in windows server 2012 R2 Cluster,it fails
but I do it in the style of quick migraton ,it secceed!
The error event here
Live migration of 'Virtual Machine PTSCSQL01' failed.
Virtual machine migration operation for 'PTSCSQL01' failed at migration destination 'PTCLS0106'. (Virtual machine ID B8FBDE64-FF97-4E9B-BC40-6DCFA09B31BE)
'PTSCSQL01' Synthetic FibreChannel Port: Failed to finish reserving resources with Error 'Unspecified error' (0x80004005). (Virtual machine ID B8FBDE64-FF97-4E9B-BC40-6DCFA09B31BE)
'PTSCSQL01' Synthetic FibreChannel Port: Failed to finish reserving resources with Error 'Unspecified error' (0x80004005). (Virtual machine ID B8FBDE64-FF97-4E9B-BC40-6DCFA09B31BE)
My virtual machine's synthetic FC HBA setting here
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Yes, definitely check your zoning/masking. Remember that with vHBA you have twice as many WWPNs to account for. Performing a live migration makes use of both pairs during the transfer from one host to the other - one set is active on the machine
currently running and the second set is used to ensure connectivity on the destination. So if you are using Address Set A on Host1, Host2 will try to set up the fibre channel connection using Address Set B. If you do a quick migration, you would
continue to use the same Address Set on the second host. That's why you most likely need to check your zoning/masking for the alternate set.
. : | : . : | : . tim

IP Conflict when doing a Hyper-V Live Migration

Hello,
I am using Windows Server 2012 R2 Update 1 on a Fujitsu Cluster in a Box.
I have the following issue:
When I do a manual Live Migration of a VM, the VM Nic gets an ip conflict with itself and stops responding.
When I do a ipconfig inside that VM, I see an APIPA Address assigned (because of that conflict). If I then disable and enable the NIC inside the guest again, the IP works correctly again with the static address I assigned inside the guest.
When I do a quick migration there is no ip conflict issue for that VM.
Also when Live Migration is initiated due to a reboot of the owning cluster node, there is also no issue with ip address of the VM.
Only when doing a manual live migration. Maybe the Cisco Switch where the cluster is attached to is too slow to register the quick MAC-IP change?
Is there anything I can do to fix the issue? Ideas?

Answering my own question after doing some research:
The issue is related to the networking equipment in my case.
Setting ArpRetryCount to 0 in the Registry of TCPIP/Parameters fixed the issue in the VM.
Interesting enough, I found the solution in the VMWare KB :-)
See: VMWare KB 1028373

Hyper-V guest SQL 2012 cluster live migration failure

I have two IBM HX5 nodes connected to IBM DS5300. Hyper-V 2012 cluster was built on blades. In HV cluster was made six virtual machines, connected to DS5300 via HV Virtual SAN. These VMs was formed a guest SQL Cluster. Databases' files are placed on
DS5300 storage and available through VM FibreChannel Adapters. IBM MPIO Module is installed on all hosts and VMs.
SQL Server instances work without problem. But! When I try to live migrate SQL VM to another HV node an SQL Instance fails. In SQL error log I see:
2013-06-19 10:39:44.07 spid1s      Error: 17053, Severity: 16, State: 1.
2013-06-19 10:39:44.07 spid1s      SQLServerLogMgr::LogWriter: Operating system error 170(The requested resource is in use.) encountered.
2013-06-19 10:39:44.07 spid1s      Write error during log flush.
2013-06-19 10:39:44.07 spid55      Error: 9001, Severity: 21, State: 4.
2013-06-19 10:39:44.07 spid55      The log for database 'Admin' is not available. Check the event log for related error messages. Resolve any errors and restart the database.
2013-06-19 10:39:44.07 spid55      Database Admin was shutdown due to error 9001 in routine 'XdesRMFull::CommitInternal'. Restart for non-snapshot databases will be attempted after all connections to the database are aborted.
2013-06-19 10:39:44.31 spid36s     Error: 17053, Severity: 16, State: 1.
2013-06-19 10:39:44.31 spid36s     fcb::close-flush: Operating system error (null) encountered.
2013-06-19 10:39:44.31 spid36s     Error: 17053, Severity: 16, State: 1.
2013-06-19 10:39:44.31 spid36s     fcb::close-flush: Operating system error (null) encountered.
2013-06-19 10:39:44.32 spid36s     Error: 17053, Severity: 16, State: 1.
2013-06-19 10:39:44.32 spid36s     fcb::close-flush: Operating system error (null) encountered.
2013-06-19 10:39:44.32 spid36s     Error: 17053, Severity: 16, State: 1.
2013-06-19 10:39:44.32 spid36s     fcb::close-flush: Operating system error (null) encountered.
2013-06-19 10:39:44.33 spid36s     Starting up database 'Admin'.
2013-06-19 10:39:44.58 spid36s     349 transactions rolled forward in database 'Admin' (6:0). This is an informational message only. No user action is required.
2013-06-19 10:39:44.58 spid36s     SQLServerLogMgr::FixupLogTail (failure): alignBuf 0x000000001A75D000, writeSize 0x400, filePos 0x156adc00
2013-06-19 10:39:44.58 spid36s     blankSize 0x3c0000, blkOffset 0x1056e, fileSeqNo 1313, totBytesWritten 0x0
2013-06-19 10:39:44.58 spid36s     fcb status 0x42, handle 0x0000000000000BC0, size 262144 pages
2013-06-19 10:39:44.58 spid36s     Error: 17053, Severity: 16, State: 1.
2013-06-19 10:39:44.58 spid36s     SQLServerLogMgr::FixupLogTail: Operating system error 170(The requested resource is in use.) encountered.
2013-06-19 10:39:44.58 spid36s     Error: 5159, Severity: 24, State: 13.
2013-06-19 10:39:44.58 spid36s     Operating system error 170(The requested resource is in use.) on file "v:\MSSQL\log\Admin\Log.ldf" during FixupLogTail.
2013-06-19 10:39:44.58 spid36s     Error: 3414, Severity: 21, State: 1.
2013-06-19 10:39:44.58 spid36s     An error occurred during recovery, preventing the database 'Admin' (6:0) from restarting. Diagnose the recovery errors and fix them, or restore from a known good backup. If errors are not corrected or expected,
contact Technical Support.
In windows system log I see a lot of warnings like this:
- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
<Provider
Name="Microsoft-Windows-Ntfs" Guid="{3FF37A1C-A68D-4D6E-8C9B-F79E8B16C482}" />
<EventID>140</EventID>
<Version>0</Version>
<Level>3</Level>
<Task>0</Task>
<Opcode>0</Opcode>
<Keywords>0x8000000000000008</Keywords>
<TimeCreated
SystemTime="2013-06-19T06:39:44.314400200Z" />
<EventRecordID>25239</EventRecordID>
<Correlation
/>
<Execution
ProcessID="4620" ThreadID="4284" />
<Channel>System</Channel>
<Computer>sql-node-5.local.net</Computer>
<Security
UserID="S-1-5-21-796845957-515967899-725345543-17066" />
</System>
- <EventData>
<Data Name="VolumeId">\\?\Volume{752f0849-6201-48e9-8821-7db897a10305}</Data>
<Data Name="DeviceName">\Device\HarddiskVolume70</Data>
<Data Name="Error">0x80000011</Data>
</EventData>
</Event>
The system failed to flush data to the transaction log. Corruption may occur in VolumeId: \\?\Volume{752f0849-6201-48e9-8821-7db897a10305}, DeviceName: \Device\HarddiskVolume70.
({Device Busy}
The device is currently busy.)
There aren't any error or warning in HV hosts.

Hello,
I am trying to involve someone more familiar with this topic for a further look at this issue. Sometime delay might be expected from the job transferring. Your patience is greatly appreciated.
Thank you for your understanding and support.
Regards,
Fanny Liu
If you have any feedback on our support, please click
here.
Fanny Liu
TechNet Community Support

Hyper-v 2012 R2 Live migration issue in 2003 Domain function Level

hi Team ,
i recently build 2012 R2 Hyper-v Cluster with three node. Everrything working fine with out any issue . Cluster working also fine. Later i came across one issue when tried to Live migration virtual machine from one host to another . it failed all the time
while quick migration is working . i gone through few articles and find it is known issue with hyper-v 2012 R2 where domain functional level is set to 2003 . although they have provided Hotfix but no solution.
http://support.microsoft.com/kb/2838043
Please let me know if any one face similar issue and able to resolve by any hotfix. My host are updated .
Thanks
Ravindra
Ravi

Hi Ravi1987,
The KB2838043 is applied for Server 2012 node, Could you offer us the related cluster error event id, or you can refer the following article to check your cluster
network binding order is correct or not.
Configuring Windows Failover Cluster Networks
http://blogs.technet.com/b/askcore/archive/2014/02/20/configuring-windows-failover-cluster-networks.aspx
You can try to install recommended hotfixes and updates for Windows Server 2012 R2-based failover clusters first, then monitor this issue again.
The KB download:
Recommended hotfixes and updates for Windows Server 2012 R2-based failover clusters
http://support.microsoft.com/kb/2920151
More information:
Windows Server 2008 R2 Live Migration – “The devil may be in the networking details.”
http://blogs.technet.com/b/askcore/archive/2009/12/10/windows-server-2008-r2-live-migration-the-devil-may-be-in-the-networking-details.aspx
I’m glad to be of help to you!

Hyper-v 2012 r2 slow throughputs on network / live migrations

Hi, maybe someone can point me in the right direction, I have 10 servers 5 Dell r210s and 5 Dell R320's, I have basically converted these servers to standalone hyper-v 2012 servers, so there is no clustering on any at the moment.
Each server is configured with 2 1Gb nics teamed via a virtual switch, now when I copt files between server 1 and 2 for example I see 100MBs throughput, but if I copy a file to server 3 at the same time the file copy load splits the 100MBs throughput between
the 2 copy processes. I was under the impression if I copied 2 files to 2 totally different servers the load would basically be split across the 2 nics effectively giving me 2Gbs throughput but this does not seem to be the case. I have played around with tcpip
large send offloads, jumbo packets, disabled vmq on the cards, they are broadcoms. :-( but it doesn't really seem to make a difference with all of these settings.
The other issue is If I live migrate a 12Gb vm machine running only 2gb ram, effectively just an o/s it takes between 15 to 20 minutes to migrate, I have played around with the advanced settings, smb, compression, tcpip not real game changers, BUT if I shut
town the vm and migrate it, it takes, just under 3 and a half minutes to move across.
I am really stumped here, I am busy in a test phase of hyper-v but cant find any definitive documents relating to this stuff.

Hi Mark,
The servers (hyper-v 2012 r2) are all basically configured with ssvmm2012R2 where they all have teamed 1Gb pNics, into a virtual switch, then there are vNics for the Vmcloud, live migration etc. The physical network is 2 Netgear Gs724T switches which
are interlinked and each servers 1st nic is plugged into the switch1 and the second nic is plugged into the switch2.See Below Image) The hyper-v port is set to independent Hyper-v load balancing.
The R320 servers are running raid 5 sas drives, the R210s have 1Tb drives mirrored. The servers all are using DAS storage, we have not moved to looking at using iscsi and san is out the question at the moment.
I am currently testing between 2x 320s and 2x R210s, I am not copying data to the vm's yets, I am basically testing the transfer between the actual hosts at the moment by copying a 4Gb file manually, After testing the live migrations I decided to test to
see the transfer rates between the servers first, I have been playing around with the offload settings and rss, what I don't understand is yesterday, the copy between the servers was running up to 228Mbs ie (using both nics) when copying
the file between the servers, and then a few hours later it only was copying at 50/60Mbs, but its now back at 113Mbs seemingly to be only using one nic.
I was under the impression if you copy a file between 2 servers the nicks could use the 2gb bandwidth, but after reading many posts they say only one nic, so how did the copies get up to 2Gb yesterday. Then again if you copy files between 3 servers, then
each copy would use one nic, basically giving you 2Gbs, but this is again not being seen.
Regards Keith

Hyper-V live migration failed

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