Preface:　　CEPH: THE FUTURE OF STORAGE(未来存储)

Ceph was made possible by a global community of passionate storage engineers and researchers(存储工程师及研究员);

Ceph is a unified,distributed object store(分布式对象存储) and file system(FS文件系统) designed to provide excellent(出色性能) performance, reliability and scalability

Ceph is open source and freely-available, and it always will be

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http://www.sebastien-han.fr/blog/2014/11/03/openstack-glance-disable-cache-management-while-using-ceph-rbd/

OpenStack Glance(镜像服务器): Disable Cache Management(禁用缓存管理) While Using Ceph RBD

http://cephnotes.ksperis.com/blog/2014/11/14/opennebula-4-dot-8-with-ceph-support-on-debian-wheezy/

OpenNebula 4.8 With Ceph Support on Debian Wheezy

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Ceph provides seamless access to objects using native language bindings or radosgw, a REST interface that’s compatible with applications written for S3 (simple storage service)  E2(elastic cloud compute) and Swift(OpenStack project中core project Obect storage)

Ceph provides a POSIX(Portable Operating System Interface of Unix)-compliant network file system that aims for high performance, large data storage, and maximum compatibility with legacy applications

dedicated office hours to answer community questions and provide assistance see more at:
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Ceph file system provides numerous benefits:

It provides stronger data safety for mission-critical applications.
    It provides virtually unlimited storage to file systems.
    Applications that use file systems can use Ceph FS with POSIX semantics. No integration or customization required!
    Ceph automatically balances the file system to deliver maximum performance.