two-cluster local hot backup双: two; twin; both; dual本地: this locality; local; native备份: back-up双群集: dual cluster热备份: hot spare; hot standby; warm backup下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:双群集本地热备份，即可在微信中查询翻译
