H3C CAS-容灾管理配置指导-5W106-整本手册.pdf
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H3C CAS 云计算管理平台
容灾管理配置指导
资料版本：5W106-20220302
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目 录
1 容灾简介 ·················································································································································· 1
1.1 容灾系统关键性能指标 ························································································································· 1
1.1.1 RPO ··········································································································································· 1
1.1.2 RTO ··········································································································································· 1
1.2 容灾系统的分类 ···································································································································· 2
1.3 关键技术 ··············································································································································· 2
1.3.1 存储远程复制技术 ······················································································································ 2
1.3.2 CDP 技术 ··································································································································· 3
2 CAS 容灾管理功能介绍 ···························································································································· 4
2.1 基于存储复制的容灾 ····························································································································· 4
2.1.1 适用场景 ···································································································································· 4
2.1.2 软硬件要求 ································································································································· 4
2.1.3 实现机制 ···································································································································· 5
2.1.4 功能特色 ···································································································································· 5
2.1.5 配置流程 ···································································································································· 6
2.2 基于磁盘备份的容灾 ····························································································································· 9
2.2.1 适用场景 ···································································································································· 9
2.2.2 软硬件要求 ································································································································· 9
2.2.3 实现机制 ·································································································································· 10
2.2.4 容灾配置流程 ··························································································································· 10
3 存储复制容灾配置举例 ··························································································································· 14
3.1 注意事项 ············································································································································· 14
3.2 组网 ···················································································································································· 14
3.3 准备存储环境 ······································································································································ 15
3.3.1 准备存储环境（3PAR） ·········································································································· 15
3.3.2 准备存储环境（Nimble） ········································································································ 28
3.4 配置 CAS 环境 ···································································································································· 39
3.5 配置容灾任务 ······································································································································ 42
3.6 容灾切换场景 ······································································································································ 49
3.6.1 容灾演练 ·································································································································· 50
3.6.2 计划恢复 ·································································································································· 53
3.6.3 反向恢复 ·································································································································· 54
3.6.4 故障恢复 ·································································································································· 55
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