> 
> We take a remote ndmp backup from a netapp filer.
> The executed command is nsrndmp_save -T dump and savesets = ALL
>  
> After we delete some files on the netapp files, it is not unusual that
> the backup fails half way through the backup with a client stopped
> communicating error.
>  
> It appears that the ndmp backup creates a snap shot and its backed up
> from there, but I cant find if we are doing anything from our side to
> casue this or
> if this is normal behavior.
>  
> There is no savepnc dictated.  
> I'm trying to figure out if we are doing anything explicitly 
> to create a
> snapshot or its just happening as a function of the ndmp backup.  In
> addition, I am assumgin that the ALL doesn not include snapshot
> filesystems.  Can anyone enlighten me?
>  
On a NetApp filer it is normal to make a snapshot and then start the stream to 
tape.
It is not normal however that it stops with a communication error...
Is the filer configured for NDMP4? Which version of ONTAP? Mayby NOW has a bug 
reported about this issue.

And AFAIK does ALL not include the 'snapshot filesystem'.

With regards,
Cor Kuin
Sysadmin Waterlandziekenhuis
The Netherlands

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