Re: RBD hole punching

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> I see yet another caveat: According to that documentation, it only works with
> the IDE driver, not with virtio.
> 
> 	Guido

I've just been looking into this but have not yet tested.  It looks like discard is supported in the newer virtio-scsi devices but not virtio-blk.

This Sheepdog page has a little more information on qemu discard https://github.com/sheepdog/sheepdog/wiki/Discard-Support

David
 

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