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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Magma is a network file system based on Distributed hash table, written in C, compatible with Linux and BSD kernels using FUSE. Magma binds several hosts interconnected by a TCP/IP network to form a common storage space called a lava ring. Each host is called a vulcano. Each vulcano hosts a portion of a common key space, delimited by two SHA1 keys. Each vulcano is also in charge of mirroring the key space of the previous node, to ensure data redundancy. Each key can represent one or more object inside the storage space. These objects are called flares. Magma can store a different range of objects: files, directories, symbolic links, block and characted devices, FIFO pipes. Each object is bound to a flare and vice versa. A flare of any type in the six listed above is described by some basic properties common to all flares, like a path and a hash key. But each of the six types has also its own specific properties. For example, directory flares will have some specific information that don't apply to symbolic links. A flare with only generic information is called uncast while a complete flare is called more

Product details

  • Paperback | 64 pages
  • 152 x 229 x 4mm | 104g
  • Log Press
  • United States
  • English
  • 6136610205
  • 9786136610207