Chapter 2. Storage System Environment
Storage, as one of the core elements of a data center, is recognized as a distinct resource and it needs focus and specialization for its implementation and management. The data flows from an application to storage through various components collectively referred as a storage system environment. The three main components in this environment are the host, connectivity, and storage. These entities, along with their physical and logical components, facilitate data access.
This chapter details the storage system environment and focuses primarily on storage. It provides details on various hardware components of a disk drive, disk geometry, and the fundamental laws that govern disk performance. The connectivity between the host and storage facilitated by bus technology and interface protocols is also explained.
This chapter provides an understanding of various logical components of hosts such as file systems, volume managers, and operating systems, and their role in the storage system environment.
Components of a Storage System Environment
The three main components in a storage system environment — the host, connectivity, and storage — are described in this section.
Host
Users store and retrieve data through applications. The computers ...
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