[OpenIndiana-discuss] Destroying unavailable ZFS dataset

[Steve Gonczi]

Explaining your problem in specific terms would be helpful, 
(.e.g.: mention the commands you use to demonstrate the problem). 

"an old system drive seems to have a memory..." is surely a colorful way of describing your issue, 
but unfortunately does not make it clear what the problem exactly is. 

Do you have an unusable drive, that used to be part of a Zfs pool, and now cannot be reused 
in another zfs pool, or reformatted as a non-zfs drive? 

Do you have a pool, where "zpool list" or "zfs get mounted" lists an un-mountable / un-destroyable file system? 

The Zfs term "Dataset" is specifically: a file system, snapshot, clone or zvol, but perhaps 
you are talking about a pool here. 

Exporting and reimporting a pool sometimes helps resolving pool inconsistencies. 

Steve 




----- Original Message -----
Hi Folks, 

I'm having problems; an old system drive seems to have a memory of a 
dataset that is long gone. Obviously this information has survived 
partition editing, but it is driving me nuts. 

I can't zfs destroy it by ID because it isn't available. I also can't 
mount it even using -f and the ID, because none of the volumes exist any 
more. 

How do I tell the system to forget about this dataset please? 

Many thanks, 

Michelle. 

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