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Posts: 1
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Joined: Oct 29, 2009 1:22 pm
Full Name: Etienne COLOMBO

VM Backup Failed

Post by ecolombo »


I use veeam v3 to backup two virtual machines named SRVTSE3 and SRVTSE4. My ESX Server version 3.5.

Since monday all the backup failed. This error message appear:

"Repairing backup from previous rollback Repair of backup "SRVTSE3" machine was unsuccessful Undir failed Client error: Failed to retrieve value from the binary stream: received less bytes (0) than expected (4). Storage directory corrupted, has invalid structure or unsupportedversion. Storage name: [Backup Srvesx12009-10-21T220033.vrb]. VeeamFS storage cannot be opened. Storage: [/vmfs/volumes/NFS:INA
S/Backup Srvesx12009-10-21T220033.vrb]. Read-only mode: [false]. Cannot handle [undir] command. VBK: [/vmfs/volumes/NFS:INAS/Backup Srvesx12009-10-21T220033.vrb]. Patch: []."

Could you help me ?

Best Regards,


Vitaliy S.
Product Manager
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Full Name: Vitaliy Safarov

Re: VM Backup Failed

Post by Vitaliy S. »

Hello Etienne,

It seems like your previous run corrupted the backup, so to see what was the cause of it, we need to have a look at this particular job log which can be found at Help | Support information. Please send us the logs to

Thank you.

SVP, Product Management
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Location: Baar, Switzerland

Re: VM Backup Failed

Post by Gostev »

Sounds like backup file got corrupted due to the storage issue. Try to re-create the job, it should work fine after this. Also, I recommend that you update to Veeam Backup 4.0. Our new version has transactional backup storage (think FAT vs. NTFS) with some level of redundancy helping to mitigate/fix storage corruption problems.

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