There are a number of factors to consider when designing the operating system deployment of your Ceph clusters. Some, like the complement of packages to be installed can be tweaked later. Others, especially the size and layout of boot drive partitions and filesystems, would require substantial effort to adjust after the fact. It is best to carefully plan in advance when bootstrapping your systems.
Operating system decisions
Kernel and operating system
While some adventurous Ceph admins have worked to deploy Ceph on other operating systems such as Solaris or FreeBSD, Ceph is designed to be deployed on modern Linux systems. Determined implementers can build Ceph from source code, but most sites deploy pre-built packages. Ceph...