Hi Nelson, We are going to disable the sparsify operation on pre-allocated disks, see https://bugzilla.redhat.com/show_bug.cgi?id=1414430. Regards, Arik בתאריך 13 בפבר׳ 2017 11:18 AM, "Nelson Lameiras" < nelson.lameiras@lyra-network.com> כתב:
Hello,
Not sure if it's a bug or a limitation but, while playing with oVirt 4.1 new possibilities, I tried to use the sparsity function on a preallocated disk, and this action irreversibly ruined the data on the disk. I have repeated this experiment multiple times and always same result. (Sparsifying a thin provisioned disk works great though)
I understand that the "sparsify" function is relevant to thin provision disks only. Still I think there should be a warning before doing this action on a preallocated disk? or maybe even forbid this action on a preallocated disk since sparsify has no meaning on a preallocated disk? (I maybe wrong...)
thanks
cordialement, regards,
Nelson LAMEIRAS Ingénieur Systèmes et Réseaux / Systems and Networks engineer Tel: +33 5 32 09 09 70 nelson.lameiras@lyra-network.com
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