slave and master have different hdisk status. Cannot work with HA master. Shutdown the box!!

最近遇到個問題。
兩台一模一樣的FG60C。
HA建立不起來。
console 訊息是：slave and master have different hdisk status. Cannot work with HA master. Shutdown the box!!

後來兩台FG都下：

execute formatlogdisk

重開後就OK了