[Xen-devel] Which disk backend to use in domU?

[Neobiker <neo-ml-efw-1106@xxxxxxxxxxx>]

Hello Jeremy,


Jeremy Fitzhardinge wrote:
> Using phy: in your config file?  That really isn't recommended because it
> has poor integrity; the writes are buffered in dom0 so writes can be
> reordered or lost on crash, and the guest filesystem can't maintain any
> of its own integrity guarantees.
> 
> tap:aio: is more resilient, since the writes go directly to the device
> without buffering.

Do you mean that using tap:aio with a disk.image is prefered against using
phy: with LVM-device?

Best Regards
Jens Friedrich aka Neobiker (www.neobiker.de)
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