Veeam FLR

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Veeam FLR

Veeam Logoby mdking » Wed Jan 06, 2016 11:36 am

Hi All,

I just wanted to confirm something regarding to the use of FLR in Veeam.

Background information:
Veeam Server is a VM
The default proxy is being used
File Server is on a VM currently using 4.4TB.
VSphere 6
Veeam 8 latest update

We seem to have a problem when using Veeam FLR and restoring files from the file server. When we use FLR and mount the file server the Veeam server freezes.
I have spoken to Veeam support, they mentioned that I should use instant recovery. (Which works fine). But its quite a long and laborious task.

I use the FLR function on other VM's which are much smaller. These are fine currently.

Any thoughts?
Thanks

Matt
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Re: Veeam FLR

Veeam Logoby Vitaliy S. » Wed Jan 06, 2016 1:04 pm

Hi Matt,

Are using built-in FLR engine or other OS restore wizard? Also what's your case ID with Veeam?

Thanks!
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Re: Veeam FLR

Veeam Logoby mdking » Wed Jan 06, 2016 1:15 pm

Hi,

I have tried both.

There has been a few Case IDs:
01063539

01080092
00898188
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Re: Veeam FLR

Veeam Logoby Vitaliy S. » Wed Jan 06, 2016 1:54 pm

Hmm...what is your backup target device?
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Re: Veeam FLR

Veeam Logoby mdking » Wed Jan 06, 2016 2:12 pm

Its a Qnap ts1279u-rp
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Re: Veeam FLR

Veeam Logoby Vitaliy S. » Wed Jan 06, 2016 2:37 pm

Trying to find out the details in your tickets on how your server freezes during A. built-in FLR and B. Other OS. Can you please provide a bit more info? Is it the restore process that is slow or mounting data to the backup server completely disables your backup server?
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Re: Veeam FLR

Veeam Logoby mdking » Wed Jan 06, 2016 2:47 pm

Hi,

I have tried the Built in FLR and the Other OS. If I choose a small VM (100GB) the FLR amounts fine.
When I try to use the FLR on the File server (4.4TB), it starts the process, then the Veeam backup server freezes.
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Re: Veeam FLR

Veeam Logoby Vitaliy S. » Wed Jan 06, 2016 4:14 pm

File-level restore performance depends on the repository hardware, not sure how many random IOPs your device can provide, but it seems like there could be indeed some issues with FLR process. Try to do indexing for this server and then use EM to restore files as per this post from Tom.
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Re: Veeam FLR

Veeam Logoby Buh95 » Wed Jan 06, 2016 4:27 pm 3 people like this post

Hi,

I recently have some problems restoring a lot of files (60k for 270GB) using FLR. The restore had as target the veeam server itself (physical big server).
The FLR restore was starting fine and failed at 20% with this message : Failed to open management RPC connection proxy service. Port: '6160'

We finaly found that it was due to a lack of TCP client port during the restoration. We tuned the TCP parameters creating those entry :
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\Tcpip\Parameters:
TcpTimedWaitDelay (DWORD) = 30
MaxUserPort (DWORD) = 65534

That's it... not exacly your problem but I would check this on your veeam server if you try to launch big FLR restore.
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Re: Veeam FLR

Veeam Logoby mdking » Wed Jan 06, 2016 4:59 pm

Hi,

Strangely we have seen this message before, but not on the File Server (on another VM).
Im still not sure if the freezing could be due to this?


:) Thanks for the information
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Re: Veeam FLR

Veeam Logoby Vitaliy S. » Wed Jan 06, 2016 5:04 pm

Yes, it does not relate to your problem, but still a good tip to know.
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Re: Veeam FLR

Veeam Logoby mdking » Wed Jan 06, 2016 5:05 pm

Vitaliy S. wrote:File-level restore performance depends on the repository hardware, not sure how many random IOPs your device can provide, but it seems like there could be indeed some issues with FLR process. Try to do indexing for this server and then use EM to restore files as per this post from Tom.

Hi,

I shall look at this and get back to you. Is there any information on the QNAP that would be of some help?

Thanks for your help!
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Re: Veeam FLR

Veeam Logoby Vitaliy S. » Wed Jan 06, 2016 5:07 pm

Don't know if it can be feasible in your case, but try to copy a VBK you're having trouble with to another storage and check the performance of the FLR wizard again.
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[MERGED]: Error when restoring

Veeam Logoby EBoucq » Thu Feb 25, 2016 5:54 pm

Hi,

Any idea why I get a "Failed to connect to Installer Service. Failed to open Management RPC connection to Proxy service. Pört 6160" while trying to restore thousands of files on a local Veeam server backup drive ?
Thanks !!

Eric
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Re: Veeam FLR

Veeam Logoby EBoucq » Thu Feb 25, 2016 7:29 pm

Why do you have temporary flat vmdk files in windows temp folder when you try to restore guest OS files ?
How much space do you need when you want to restore guest files on Veeam server ?

Thank you
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