If two different version es package run in a cluster,whick will result in?


Recently,when out linux system reboot,And then es restart, I find my index data which often lose,sometimes shard directory disappear,sometimes index directory disappear,It's very strange.After that ,I find that in out cluster have two different version es package.I delete one of them,It seems like run well.
Someone else meet this case?

(system) #2