Re: [Gluster-devel] Need clarification regarding the "force" option for snapshot delete.

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On 06/26/2014 01:58 PM, Sachin Pandit wrote:
> Hi all,
> 
> We had some concern regarding the snapshot delete "force" option,
> That is the reason why we thought of getting advice from everyone out here.
> 
> Currently when we give "gluster snapshot delete <snapname>", It gives a notification
> saying that "mentioned snapshot will be deleted, Do you still want to continue (y/n)?".
> As soon as he presses "y" it will delete the snapshot.
> 
> Our new proposal is, When a user issues snapshot delete command "without force"
> then the user should be given a notification saying to use "force" option to
> delete the snap.
In that case "gluster snapshot delete <snapname>" becomes useless apart
from throwing a notification. If we can ensure snapshot delete all works
only with "force" option then we can have gluster snapshot delete
<volname> to work as it is now.

~Atin
> When snapshot delete command is issued with "force" option then the user should
> be given a notification saying "Mentioned snapshot will be deleted, Do you still
> want to continue (y/n)".
> 
> The reason we thought of bringing this up is because we have planned to introduce
> a command "gluster snapshot delete all" which deletes all the snapshot in a system,
> and "gluster snapshot delete volume <volname>" which deletes all the snapshots in 
> the mentioned volume. If user accidentally issues any one of the above mentioned
> command and press "y" then he might lose few or more snapshot present in volume/system.
> (Thinking it will ask for notification for each delete).
> 
> Do you think notification would be more than enough, or do we need to introduce
> a "force" option ?
> 
> ------------------------------------------------------------------------------
> Current procedure:
> ------------------
> 
> [root@snapshot-24 glusterfs]# gluster snapshot delete snap1
> Deleting snap will erase all the information about the snap.
> Do you still want to continue? (y/n)
> 
> 
> Proposed procedure:
> -------------------
> 
> [root@snapshot-24 glusterfs]# gluster snapshot delete snap1
> Please use the force option to delete the snap.
> 
> [root@snapshot-24 glusterfs]# gluster snapshot delete snap1 force
> Deleting snap will erase all the information about the snap.
> Do you still want to continue? (y/n)
> ------------------------------------------------------------------------------
> 
> We are looking forward for the feedback on this.
> 
> Thanks,
> Sachin Pandit.
> 
> _______________________________________________
> Gluster-devel mailing list
> Gluster-devel@xxxxxxxxxxx
> http://supercolony.gluster.org/mailman/listinfo/gluster-devel
> 
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