[admin-guide] Legacy to OpenStack command

Change-Id: I75ba2c694028405f749308aeb2e3e90823bb8569
Implements: blueprint use-openstack-command
This commit is contained in:
chenxing 2017-02-22 03:25:00 +00:00 committed by Lana Brindley
parent d2b2117565
commit 72e1222937

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@ -11,8 +11,8 @@ To back up a volume, you must create a snapshot of it. An LVM snapshot
is the exact copy of a logical volume, which contains data in a frozen
state. This prevents data corruption because data cannot be manipulated
during the volume creation process. Remember that the volumes created
through a :command:`nova volume-create` command exist in an LVM logical
volume.
through an :command:`openstack volume create` command exist in an LVM
logical volume.
You must also make sure that the operating system is not using the
volume and that all data has been flushed on the guest file systems.