Netapp Snapvault : Transfer aborted: destination qtree is not coalesced

If you are working with NetApp SnapVault backups then at times  you'll experience one of the issue with "qtree is not coalesced". SnapVault update command will fail unless you poke the backup relationship with "Snapvault start " as below: (this will re-initiate the backup from its most recent checkpoint)

filer:/vol/source_vol/source_qtree dr_filer:/vol/dest_vol/dest_qtree Uninitialized - Idle with restart checkpoint (at 196 GB)


[root@cherrytop etc]# rsh dr_filer snapvault update dr_filer:/vol/dest_vol/dest_qtree 
 Transfer aborted: destination qtree is not coalesced.


[root@cherrytop etc]# rsh dr_filer snapvault start -S  filer:/vol/source_vol/source_qtree dr_filer:/vol/dest_vol/dest_qtree
Transfer started.
Monitor progress with 'snapvault status' or the snapmirror log.


filer:/vol/source_vol/source_qtree dr_filer:/vol/dest_vol/dest_qtree Uninitialized - Transferring (196 GB done)