Rolling back from a failed deployment or if there are problems with the new code can cause some difficulty.

从失败的部署回滚，或者新代码存在问题，都会使得使用者面临一定的困难。

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Rolling back the entire cell to an earlier version involves running a JACL script and performing some restores of your node configurations.

在将整个计算单元回滚到以前的版本时，需要运行jacl脚本并还原部分节点配置。

youdao

After rolling back the entire cell, you can restart the migration process at your option.

回滚整个单元以后，可以根据您的选择重新启动迁移过程。

youdao

Rolling back coal-related rules and regulations while asking natural gas-and-nuclear-fired power plants to meet stricter standards is not realistic.

FORBES: A Wounded Coal Industry Seeks To Unseat A Rockefeller Who Turned On Them

"It's an eyes-rolling-back-in-the-head kind of bite, " said Atlanta chef Linton Hopkins.

WSJ: Stuffed Morels | Consider This

This would be done in part by rolling back across-the-board spending cuts known as the sequester, replacing them with tax increases and spending cuts, primarily later in the decade.

WSJ: Obama Reaches for Middle Ground With New Budget Plan