-| Before the upgrade plan being executed, the system heathly of the
- online product environment should be checked and confirmed to satisfy
- the requirements which were described in the upgrade plan. The
- sysinfo, e.g. which included system alarms, performance statistics and
- diagnostic logs, will be collected and analyized. It is required to
- resolve all of the system faults or exclud the unhealthy part before
- executing the upgrade plan.
-| ==[hujie] Text merged.==
+Before the upgrade plan being executed, the system healthy of the
+online product environment should be checked and confirmed to satisfy
+the requirements which were described in the upgrade plan. The
+sysinfo, e.g. which included system alarms, performance statistics and
+diagnostic logs, will be collected and analogized. It is required to
+resolve all of the system faults or exclude the unhealthy part before
+executing the upgrade plan.
+