Discussions specific to the VMware vSphere hypervisor
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foggy
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Re: Error after vSphere update

Post by foggy » Feb 02, 2015 9:06 pm

The error refers to the source datastore, make sure your datastore supports maximum files size to host a snapshot of that VM.

Vitaliy S.
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Re: Error after vSphere update

Post by Vitaliy S. » Feb 02, 2015 9:21 pm

Also what vSphere version you're at?

easton
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Re: Error after vSphere update

Post by easton » Feb 02, 2015 10:02 pm

foggy wrote:The error refers to the source datastore, make sure your datastore supports maximum files size to host a snapshot of that VM.
Would I have to change the block size of the datastore?
Vitaliy S. wrote:Also what vSphere version you're at?
5.1.0

Vitaliy S.
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Re: Error after vSphere update

Post by Vitaliy S. » Feb 03, 2015 9:30 am

You either need to change the block size of the source datastore, which will require reformatting, or upgrade VMFS version to the latest one. Please see Foggy's link above for more info.

Kirchner1990
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[MERGED] destination drive is too small but backup isnt

Post by Kirchner1990 » Aug 22, 2016 7:10 am

Hi together,

I have a problem concerning VeeamZip. I want to backup with VeeamZIP or Veeam Backup and Replication to an external disc.
- The source disc is for example a 4 TB VMware Volume (ESX)
- The Destination disc is a 3 TB external disc
- The files on the source disc is 1 TB.

The Problem now is, that the backup always says this: "File <unspecified filename> is larger than the maximum size supported by datastore '<unspecified datastore> Creating VM snapshot"
Veeam seems to check the size of the source disc and if it COULD fix. It does not try it.

Can I bypass this check?! If veeam would simply make the backup, then it would fit the Destination 3 TB drive :-( but it doesn't
And I can't shrink the source without spending a lot of work and time for it.

Thanks for your help!!
Greetz, Valentino

v.eremin
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Re: Error after vSphere update

Post by v.eremin » Aug 22, 2016 10:31 am

Hi, Valentino,

The provided error doesn't say anything regarding backup destination, instead it refers to production datastore the given VM resides on.

For more information, kindly, check the answers above.

Thanks.

Vitaliy S.
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Re: Error after vSphere update

Post by Vitaliy S. » Aug 22, 2016 10:54 am

If you cannot reformat/migrate to another VMFS version, then using Veeam Endpoint Backup might be a good workaround for that.

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