As mentioned in https://bugs.launchpad.net/percona-xtrabackup/+bug/855035
"We should also document that the fix for bug #722638 may not work for old MySQL or Percona Server releases. If this limitation proves to be problematic, we may invest more time into fixing it."
As mentioned in https:/ /bugs.launchpad .net/percona- xtrabackup/ +bug/855035
"We should also document that the fix for bug #722638 may not work for old MySQL or Percona Server releases. If this limitation proves to be problematic, we may invest more time into fixing it."