Ceph OSD简介 2.3 RADOS与LIBRADOS 2.4 本章小结 第3章 智能分布CRUSH 3.1 引言 3.2 CRUSH基本原理 3.2.1 Object与PG 3.2.2 PG与OSD 3.2.3 PG与Pool 3.3 CRUSH关系分析 3.4 本章小结 ## 目录 第4章 三大存储访问类型 4.1 Ceph FS文件系统 利用Cosbench来测试Ceph 9.5 本章小结 第10章 自定义CRUSH 10.1 CRUSH解析 10.2 CRUSH设计：两副本实例 10.3 CRUSH设计：SSD、SATA混合实例 10.3.1 场景一：快-慢存储方案 10.3.2 场景二：主-备存储方案 10.4 模拟测试CRUSH分布 10.5 本章小结 第11章 缓冲池与纠删码 11 高奖项“特别贡献奖”获得者 Ceph是主流的开源分布式存储操作系统。我们看到越来越多的云服务商和企业用户开始考察Ceph，把它作为构建“统一存储”和“软件定义存储”的可信赖解决方案。Ceph的CRUSH算法引擎，聪明地解决了数据分布效率问题，奠定了它胜任各种规模存储池集群的坚实基础。过去5年，在Red Hat、Intel等软硬件基础设施领导者的推动下，Ceph开源社区有超过10倍的增长——不仅仅

ObjectID rbd\udata.6855c174a277a30.00000000005c2 对ObjectID进行哈希并取模（复制组数量）得到pgid head_D35c9011 使用CRUSH算法根据pgid获得指定的副本个数的id osd.1, osd.2, osd.3 ![Image](/uploads/documents/0/6/8/0/0680fe0064822f86eb9b8c4d1e285449/p12_3

60ffa7523/p44_1.jpg) HIT ME See them driven before you Hear the lamentations of their women Crush your enemies  Select

backend database directly, you have to manage this transaction by yourself; • When recover from a crush, you have to call XA RECOVER to check unfinished transaction, and choose to commit or rollback using

backend database directly, you have to manage this transaction by yourself; • When recover from a crush, you have to call XA RECOVER to check unfinished transaction, and choose to commit or rollback using

problem of conan config install for Conan versions 1.9 and older #4870 • Feature: Now Conan will crush your enemies, see them driven before you, and to hear the lamentation of their women! (April’s fools)

problem of conan config install for Conan versions 1.9 and older #4870 • Feature: Now Conan will crush your enemies, see them driven before you, and to hear the lamentation of their women! (April’s fools)

problem of conan config install for Conan versions 1.9 and older #4870 • Feature: Now Conan will crush your enemies, see them driven before you, and to hear the lamentation of their women! (April’s fools)

problem of conan config install for Conan versions 1.9 and older #4870 • Feature: Now Conan will crush your enemies, see them driven before you, and to hear the lamentation of their women! (April’s fools)

problem of conan config install for Conan versions 1.9 and older #4870 • Feature: Now Conan will crush your enemies, see them driven before you, and to hear the lamentation of their women! (April’s fools)