Leftover AVHDX Files after backup

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Leftover AVHDX Files after backup

Veeam Logoby rosman4u » Tue Apr 18, 2017 3:39 pm

Hello all,

Fairly new to Veeam and I do have an open case for this as well but was curious to see if anyone else has had this issue with Veeam BR. I had to run an active full the other day and since then noticed I started losing space on my shared cluster drive for my VM's. What I discovered was my SQL VM folder grew to over 100GB on top of its typically 300GB size. Once I checked I noticed all the avhdx files listed. Is there any way to get Veeam to merge this files to the VHDX on my vm?
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Re: Leftover AVHDX Files after backup

Veeam Logoby Mike Resseler » Wed Apr 19, 2017 6:17 am

Shawn,

Please post the case ID here also and the follow-up of the work with support.

That SQL server VM, is that a standalone? (I mean, not a virtual cluster with a shared VHDX or VHD Set as in 2016?) Reason: in 2016 the VHD set works with a AVHDX format but it is not a checkpoint!
Second: Can you look in Hyper-V manager and see if you have that checkpoint running? What are the details of it?
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Re: Leftover AVHDX Files after backup

Veeam Logoby nmdange » Wed Apr 19, 2017 1:53 pm 1 person likes this post

Here's some info that will probably fix your issue:
https://blog.workinghardinit.work/2015/ ... l-machine/
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Re: Leftover AVHDX Files after backup

Veeam Logoby rosman4u » Wed Apr 19, 2017 7:21 pm

Mike Resseler wrote:Shawn,

Please post the case ID here also and the follow-up of the work with support.

That SQL server VM, is that a standalone? (I mean, not a virtual cluster with a shared VHDX or VHD Set as in 2016?) Reason: in 2016 the VHD set works with a AVHDX format but it is not a checkpoint!
Second: Can you look in Hyper-V manager and see if you have that checkpoint running? What are the details of it?


My case ID# is 02131252. Thanks for the follow-up guys. I did manage to get this resolved with good direction from support and combing thru my logs. Apparently, the previous admin setup site to site replication through Hyper-V and that link was broken since the DR site was down. Not only did I have leftover AVHDX files but also .hrl files growing quickly in size. Pausing the replication and finally get the DR site backup cleared everything up.
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Re: Leftover AVHDX Files after backup

Veeam Logoby Mike Resseler » Thu Apr 20, 2017 5:15 am

Shawn,

Happy to hear that it is solved. Thanks for coming back to us with the solution

Cheers
Mike
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Re: Leftover AVHDX Files after backup

Veeam Logoby Mike Resseler » Thu Apr 20, 2017 5:16 am

@nmdange

Great post by one of the Veeam Vanguards ;-). Just a quick, additional note, because of the new VHD-set using AVHDX as an extension, I have seen people trying those type of procedures on that one, and then (when it doesn't work) just delete it. I still wonder why MSFT decided to give it the same extension name :-(
Mike Resseler
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