>>id=drive-virtio0,discard=on,aio=native,cache=none,detect-zeroes=unmap

I think this is because virtio-blk don't support discard

if discard=on
detect-zeroes=unmap
else
detect-zeroes=on

I'll retest right now, I'll keep you in touch


----- Mail original ----- 

De: "Dietmar Maurer" <diet...@proxmox.com> 
À: "Alexandre DERUMIER (aderum...@odiso.com)" <aderum...@odiso.com> 
Cc: pve-devel@pve.proxmox.com 
Envoyé: Mardi 28 Octobre 2014 10:10:51 
Objet: problems with detect-zeroes 



Hi Alexandre, see: 

http://forum.proxmox.com/threads/20165-After-upgrading-from-3-2-to-3-3-old-pve-qemu-kvm-ceph-vm-doesnt-start
 

but you wrote in the commit: 

> No impact if the block driver don't support it yet (like rbd) 

So what is wrong? 
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