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Non-shared storage migration of guests which are disk I/O intensive and have fast local storage may actually never converge if the guest happens to dirty the disk faster than it can be copied. This patch introduces a new flag 'VIR_MIGRATE_NON_SHARED_SYNCHRONOUS_WRITES' which will instruct hypervisors to synchronize local I/O writes with the writes to remote storage used for migration so that the guest can't overwhelm the migration. This comes at a cost of decreased local I/O performance for guests which behave well on average. Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com> |
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.. | ||
index.rst | ||
libvirtd.rst | ||
meson.build | ||
virsh.rst | ||
virt-admin.rst | ||
virt-host-validate.rst | ||
virt-login-shell.rst | ||
virt-pki-validate.rst | ||
virt-qemu-run.rst | ||
virt-sanlock-cleanup.rst | ||
virt-xml-validate.rst | ||
virtbhyved.rst | ||
virtinterfaced.rst | ||
virtlockd.rst | ||
virtlogd.rst | ||
virtlxcd.rst | ||
virtnetworkd.rst | ||
virtnodedevd.rst | ||
virtnwfilterd.rst | ||
virtproxyd.rst | ||
virtqemud.rst | ||
virtsecretd.rst | ||
virtstoraged.rst | ||
virtvboxd.rst | ||
virtvzd.rst | ||
virtxend.rst |