If you are restoring the backup to get back to previous point in them, then you 
will want to remove all hints from the cluster. You will also want to stop 
recording them, IIRC the only way to do that is via a yaml config. 

If you are restoring the data to recover from some sort of loss, then keeping 
the hints in place is ok. 

Hope that helps. 

-----------------
Aaron Morton
Freelance Developer
@aaronmorton
http://www.thelastpickle.com

On 6/10/2012, at 12:30 AM, Fredrik <fredrik.l.stigb...@sitevision.se> wrote:

> When restoring a backup for the entire cluster my understanding is that you 
> must shutdown the entire cluster and then restore the backup and then start 
> up all nodes again.
> http://www.datastax.com/docs/1.0/operations/backup_restore
> But how should I handle hinted handoffs (Hints CF). Since they're stored in 
> the system keyspace and according to the docs I only need to restore the 
> specific keyspace not the system keyspace.
> Won't these hinted handoffs, which isn't based on the backup, be delivered 
> and applied as soon as one of the node which they're aimed for comes up and 
> thus be applied to the backuped data.
> What is the recomended way to handle this situation? Removing the hints cf 
> from the system tables before restart of the cluster nodes?
> 
> Regards
> /Fredrik

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