Once again Rick come to my rescue ^^

Thanks for you reply, we create the new tapepool2 (disk) now we have change the 
next storage pool of the diskpool (the migration have successfully go to the 
new tapepool).

Now i'am try to move the data from the old tapepool (tape) to the disk (i wish 
the drive are not too tired to do that)^^

Regards, Mickael.

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