Error: related to file system limitation?

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Error: related to file system limitation?

Veeam Logoby Battlestorm » Tue Apr 15, 2014 7:41 am

Morning Guys,
We have just enabled de duplication on a Windows 2012 r2 repository and we are now getting the following error for one of our backups.

15/04/2014 08:19:01 :: Error: Client error: The requested operation could not be completed due to a file system limitation
Failed to flush file buffers. File: [D:\VeeamBackups\Temp Backup Job\Temp Backup Job2014-03-29T220137.vbk].

So fairly safe assumption that it's from enabling dedupe, the file in question is 4TB so way over the recommended 1TB file limit for Windows dedupe.

So the questions;

1) has anybody else had this error with large vbk's and what is the largest you have on a deduped repository?
2) what is the best way to mitigate this issue? I'm thinking just needing to separate the job into smaller chunks and is there a registry key to allow Veeam to split the vbk into smaller chunks?

regards,
Daniel
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Re: Error: related to file system limitation?

Veeam Logoby foggy » Tue Apr 15, 2014 8:59 am

Daniel, there's no such a registry key, you can split the job only manually, adding fewer VMs into several jobs. I also suggest to open a support case for investigation. Thanks.
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Re: Error: related to file system limitation?

Veeam Logoby henrym » Mon Apr 28, 2014 12:04 pm

Hello

we have the same problem. All jobs work perfectly but two which have backup files at about 1.6 TB size. They used to work but stopped working some days ago.

Is there a already solution for this problem?

Regards
Henry
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Re: Error: related to file system limitation?

Veeam Logoby Vitaliy S. » Mon Apr 28, 2014 12:56 pm

Cannot check for the solution, since OP hasn't mentioned his support case ID...
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Re: Error: related to file system limitation?

Veeam Logoby JZTOR » Sat May 17, 2014 8:00 pm

Just got the same error with Veeam 7 (patch 3). It was working fine for last few months. 10 VMs, total used space 2 TB, target - Windows 2012 R2 with deduplication enabled. The other jobs on the same server to the same target are not affected.
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Re: Error: related to file system limitation?

Veeam Logoby v.Eremin » Sun May 18, 2014 8:37 pm

As mentioned in the recent community digest, this issue might be related to the heavily fragmented backup file:

Gostev wrote:This issue with Windows-based backup repositories comes up in our support and on the forums quite often. Backups start failing with "The requested operation could not be completed due to a file system limitation" or "Insufficient system resources exist to complete the requested service". This is NTFS issue hits large fragmented backup files > A heavily fragmented file in an NTFS volume may not grow beyond a certain size. Note that you need to format the volume after installing the hotfix with Format <Drive:> /FS:NTFS /L. The issue is addressed in Windows Server 2012 and Windows 8, however formatting the volume may still be necessary.


If you feel that isn't the case, please, open a ticket with our support team and let them confirm your environment.

Thanks.
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Re: Error: related to file system limitation?

Veeam Logoby namiko78 » Thu Jun 19, 2014 12:09 pm

I'm having similar issues, but running 2012 R2 - it appears I don't need the patch, but i still need to format with the /L for large size records?

Will defragging help at this point or is the backup file corrupted?
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Re: Error: related to file system limitation?

Veeam Logoby foggy » Thu Jun 19, 2014 1:35 pm

Hard to say without reviewing the log files. You can try defragmentation and contact support in case it does not help (or just contact them immediately to confirm the issue first).
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Re: Error: related to file system limitation?

Veeam Logoby namiko78 » Thu Jun 19, 2014 2:08 pm

Just waiting for them to get back to me.
Have included the logs also, thanks
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Re: Error: related to file system limitation?

Veeam Logoby foggy » Thu Jun 19, 2014 2:21 pm

Your support case ID posted here would help us in tracking this issue for future readers... Thanks!
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Re: Error: related to file system limitation?

Veeam Logoby namiko78 » Thu Jun 19, 2014 2:33 pm 1 person likes this post

Case # 00587092
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Re: Error: related to file system limitation?

Veeam Logoby hans_lenze » Mon Jun 23, 2014 2:06 pm

Ran into this issue too.
http://www.veeam.com/kb1893
Support case #00589516

I've stopped all the Veeam services and I'm copying all the backup files of the repository partition.
When everything's copied I'll reformat the drive with the /L flag and copy all the files back.

We'll see how it goes.
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Re: Error: related to file system limitation?

Veeam Logoby hans_lenze » Mon Jul 21, 2014 10:12 am 1 person likes this post

It works, just don't forget to select the right NTFS cluster size when formatting the volume using the command line. If you do forget, you'll have to reformat again...

In my case (18TB repository) the correct command was: format D: /L /Q /FS:NTFS /A:8192

See the following link for the correct cluster size for a give size volume: http://support.microsoft.com/kb/140365/en
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Re: Error: related to file system limitation?

Veeam Logoby StrangeWill » Thu Aug 14, 2014 2:26 pm

Anyone experience where formatting with "/L" DOESN'T fix it?
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Re: Error: related to file system limitation?

Veeam Logoby foggy » Thu Aug 14, 2014 5:07 pm

Contacting support directly could be more effective than waiting for other users feedback here. Have you already done that?
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