DataTransfer.SyncDisk

Backup agent for Microsoft Windows servers and workstations (formerly Veeam Endpoint Backup FREE)

DataTransfer.SyncDisk

Veeam Logoby fafa24 » Mon Jul 31, 2017 12:05 pm

Dear All,

Support case is: 02263392

We are using the free Windows Agent 2.0 to back up a Windows Server 2008 R2 to Veeam 9.5 repository. It worked well in the past for a long time. But now we are getting this error message.
The server has two partition C und D. The error message is for partition D.

31.07.2017 12:15:29 :: Error: Incorrect function. Asynchronous read operation failed Failed to upload disk. Agent failed to process method {DataTransfer.SyncDisk}. Exception from server: Incorrect function. Asynchronous read operation failed Unable to retrieve next block transmission command. Number of already processed blocks: [22953]. Failed to download disk.

Do you have an idea what this error message means? I tried to initiate an Active Full Backup with no luck. Backup failed with same message.

Thanks,
fafa24
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Re: DataTransfer.SyncDisk

Veeam Logoby Dima P. » Mon Jul 31, 2017 5:24 pm

Hello fafa24,

Please keep working with our support team and do not forget to update this thread with the investigation results. Thanks in advance.
Dima P.
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Re: DataTransfer.SyncDisk

Veeam Logoby stabak » Wed Oct 11, 2017 2:51 pm

Support case is: 02263392
I have the same error. Can you help me with additional info on what to do?
Thanks.
stabak
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Re: DataTransfer.SyncDisk

Veeam Logoby Vitaliy S. » Wed Oct 11, 2017 5:07 pm

OPs case was resolved by fixing issues (bad blocks) on the RAID controller (according to the ticket notes).
Vitaliy S.
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Re: DataTransfer.SyncDisk

Veeam Logoby ByteBuster » Sun Oct 29, 2017 2:11 pm

Same problem here ...
ByteBuster
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Re: DataTransfer.SyncDisk

Veeam Logoby Vitaliy S. » Mon Oct 30, 2017 12:18 pm

Both cases were caused by bad blocks on the disk, so please analyse your storage hardware to resolve this issue.
Vitaliy S.
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