[Ocfs2-devel] error message in log: ocfs2_reflink_ioctl:4431 ERROR: status = -17

[Lentes, Bernd]

----- On Feb 24, 2021, at 10:49 PM, Wengang Wang wen.gang.wang at oracle.com wrote:

>> On Feb 24, 2021, at 1:11 AM, Lentes, Bernd <bernd.lentes at helmholtz-muenchen.de>
>> wrote:
>> 
>> 
>> ----- On Feb 23, 2021, at 11:24 PM, Wengang Wang wen.gang.wang at oracle.com wrote:
>> 
>>> #define EEXIST 17 /* File exists */
>> 
>>> You may already have the file created from the other node.
>> 
>>> wengang
>> 
>> 
>> Hi Wengang,
>> 
>> thanks for your help.
>> 
>> The reflink is created via:
>> reflink -fv /path/to/domain.raw /mnt/ocfs2/reflink
>> 
>> Of course this file exists already because the skript ran also one day before.
>> But from which node the previous one was created is unpredictable, it might be
>> the same
>> but also the other one.
>> 
>> Is the message severe or don't i have to bother about it ?
>> 
> 
> OCFS2 is a shared-storage cluster FS.  For the reflinks, you need and should
> create them only from one of the nodes. Don’t do duplicated work (reflink) on
> other nodes.

Hi Wengang,

thanks for your help.
Just to be sure that i understand you completely:
we reflink some raw file from host 1 and OTHER raw files (not the same !) from host 2.
Is that already a problem ? Or are you talking about reflinking the SAME file concurrently from both nodes ?

Bernd
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