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ceph/crushmap%E5%AE%9E%E8%B7%B5/ #300

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utterances-bot opened this issue Dec 21, 2020 · 0 comments
Open

ceph/crushmap%E5%AE%9E%E8%B7%B5/ #300

utterances-bot opened this issue Dec 21, 2020 · 0 comments

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CRUSH map实践 • 张立泰博客

前言:CRUSH算法是Ceph的核心算法，全称为可扩展散列下的智能分发机制(Controlled Replication Under Scalable Hashing)。是整个Ceph数据存储机制的核心。默认安装的Ceph集群会根据当前集群自动生成一套CRUSH map规则，但是默认的CRUSH map可能不符合预期，可以手动修改以满足实际需求。
生产环境中，我们的应用场景可能需要在多种类型设备上创建多个存储池。如基于SSD磁盘创建池创建CephFS的metadata存储池，基于HDD磁盘创建CephFS的data存储池

http://www.zhanglitai.cn/ceph/crushmap%E5%AE%9E%E8%B7%B5/
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