vstart.sh: Fix usage

Signed-off-by: David Zafman <dzafman@redhat.com>
osd, mon: Send initial pg create time from mon to osd

Fixes: #9887

Signed-off-by: David Zafman <dzafman@redhat.com>
Merge pull request #2822 from ceph/wip-9887

Wip 9887

Reviewed-by: Samuel Just <sjust@redhat.com>