[Samba] ctdb failover interrupts Windows file copy

Maged Mokhtar mmokhtar at petasan.org
Thu Feb 13 12:35:11 UTC 2020

Hi Martin,

Yes xcopy /z  does work.

I am referring to the File Explorer / ui copy ..such as you drag and 
drop a file. It either it does not like network reset / ctdb-tickle very 
well or maybe it is has too small a timeout for for ctdb transfer.

Cheers /Maged

On 13/02/2020 11:47, Martin Schwenke wrote:
> Hi,
> On Mon, 10 Feb 2020 16:35:15 +0200, Maged Mokhtar via samba
> <samba at lists.samba.org> wrote:
>> We have setup ctdb+Samba v 4.11.1 and testing with Windows client and
>> failover works mostly ok. However when using regular Windows file copy,
>> the copy operation is interrupted during ip takeover.
>> Is there any solution to make the failover transparent to Windows file
>> copy ?
> Does xcopy work?  My understanding is that it should reconnect and
> continue after clustered Samba style failover.
> When you say "Windows file copy" do you mean drag-and-drop in the file
> manager?  I would have thought this would reconnect too...
>> I understand that SMB2 durable handles should not be used in a clustered
>> setup, and SMB3 persistent handles + witness are not support yet, is
>> this correct ?
> I believe those statement are true.
> peace & happiness,
> martin

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