红帽全球峰会1.2.7.2. oc adm upgrade 命令现在会提供可升级条件
oc adm upgrade 命令现在会提供任何 Upgradeable=False 条件，因此管理员会了解到可能会因为一个 Upgradeable=False 条件而拒绝特定的更新。
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