• Linux operation and maintenance — 1. CEPH distributed storage architecture and working principle


    CEPH theory About CEPH CEPH is an open source project that provides a software defined, unified storage solution. CEPH is a distributed storage system with high performance, high scalability, large-scale expansion and no single point of failure. CEPH is a software defined storage solutionCEPH is a unified storage solutionCEPH is a cloud storage solutionCEPH official […]

  • Type of LVM logical volume


    There are many types of logical volumes that can be created in LVM volume groups. The following describes different types of logical volumes Linear volume Linear volumes aggregate space from one or more physical volumes into a logical volume. Physical storage is linearly connected. Creating a linear volume sequentially assigns a series of physical extents […]