Tag: L2ARC

  • ZFS: Adding an SSD as a cache drive

    ZFS: Adding an SSD as a cache drive

    ZFS uses any free RAM to cache accessed files, speeding up access times; this cache is called the ARC. RAM is read at gigabytes per second, so it is an extremely fast cache. It is possible to add a secondary cache – the L2ARC (level 2 ARC) in the form of solid state drives. SSDs…