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Unable to connect to virtual disk service

Hi Everyone

Environment :

Server 2008 VM, fully updated which ,esides on a Server 2008 Hyper V Server - Fully updated

We're experiencing a problem with one of our client servers.
Every 2 or 3 days we need to restart the VM server due to the fact that VD Service is inaccessible.
After restarting all is fine and the VD is accessible.
We have run chkdsk on both the VM and the Hyper V server, no problem with the disks whatsoever.
Please see attached error.
1.PNG
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aNaLyz3R
Asked:
aNaLyz3R
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1 Solution
 
peeaCommented:
any logs giving the exact error message please?
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aNaLyz3RAuthor Commented:
That's the strange thing, absolutely nothing is logged within the vm or the hyperv server....
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peeaCommented:
First check if Virtual Disk Services is actually up or not.

Secondly check Windows Event Logs from MMC to see all log items related to this service.
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aNaLyz3RAuthor Commented:
The VDS service is running when the issue occurs, the service restarts normally, but the issue persists.

As mentioned previously, absolutely nothing is logged.
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peeaCommented:
When I say Windows Event Logs, I am referring to not only the default System, Application and Security logs directly under Event Logs in MMC, but also the per application / service logs in its sub folders / categories.

Are you able to check if there is a folder dedicated for VDS?

Thanks.
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Shabarinath RamadasanInfrastructure ArchitectCommented:
Hi aNaLyz3R,

I have seen this on one of our SQL cluster but only difference is that service was not impacted even though the disks was not visible in Disk Management.

The server was HP DL 380G7 with Windows Server 2008 R2 OS.

The issue was the driver/firmware specific to HBA, which directly fixed the issue.

Good luck !

Shaba
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aNaLyz3RAuthor Commented:
Shaba, thanks for that info.

peea, i will check the logs and revert back to you shortly.
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aNaLyz3RAuthor Commented:
peea, no folder just for VDS, i have gone through all folders, nothing relating to VDS is shown.
What i have noticed it that virtually after every 48 - 72 hours the server needs to be rebooted. It's as though there is some kind of timeout......
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aNaLyz3RAuthor Commented:
peea, please the 2.png, that's the error received under the share and storage mmc when opening.
2.PNG
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aNaLyz3RAuthor Commented:
Finally, i picked up the event, please see below :

Event 15:

VDS fails to launch provider {CA7DE14F-5BC8-48FD-93DE-A19527B0459E}. Error code: 80072498@0200000C
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aNaLyz3RAuthor Commented:
I think i may have found a fix for this, right at the bottom of the thread :

http://social.technet.microsoft.com/Forums/windowsserver/en-US/f41da755-7481-40d3-8dd8-75c3c28193dc/virtual-disk-service-errors?forum=winserverfiles

I will test and confirm in the next 2 - 3 days.

Thanks
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peeaCommented:
> Event 15:
> VDS fails to launch provider {CA7DE14F-5BC8-48FD-93DE-A19527B0459E}. Error code: 80072498@0200000C

Where is the log item located? System?
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aNaLyz3RAuthor Commented:
Yes, correct it's logged under system.
What i find very strange is that the event only occurs if i open the share and storage management console, as per 2.png, only then is an error logged.
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aNaLyz3RAuthor Commented:
Under :

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\DeviceClasses\

There are a couple of entries as per the below:

{53f56307-b6bf-11d0-94f2-00a0c91efb8b}

One of them contained about 95 sub entries relating to a snap shot, but when checking if a snapshot was taken of the VM, there were none.
I stopped VDS, backed up the registry, deleted the entire : {53f56307-b6bf-11d0-94f2-00a0c91efb8b} that contained the "faulty" entries"
Restarted the VM, now i will wait and see if this has helped, i will report back in a few days time.
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aNaLyz3RAuthor Commented:
peea, no luck, just checked on the server.
Please see 4.png attached.
Problem still occurs.....
The VDS service is running fine and can be restarted but i cannot gain access to disk management...
4.PNG
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aNaLyz3RAuthor Commented:
The only way i got around this issue was to write a script that restarts the services { VDS / VSS } daily.
Everything in order now.
Not the best solution but no one is getting back to me.

Thanks
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aNaLyz3RAuthor Commented:
Solution worked in my environment
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