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Apollon Oikonomopoulos authored
Disable host cache for externally mirrored disks to avoid cache incoherency. Without this, migrations between the same two nodes may end up in disk corruption. This is a runtime override of cluster defaults, mostly a workaround. Unfortunately, we cannot use cmdlib._CheckHVParams, as we want to check the hypervisor parameters *in conjunction* with the disk template, which is part of the instance definition. Signed-off-by: Apollon Oikonomopoulos <apollon@noc.grnet.gr> Signed-off-by: Iustin Pop <iustin@google.com> Reviewed-by: Iustin Pop <iustin@google.com>
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