Lustre

Features

  • See https://lustre.ornl.gov/lustre101-courses/content/C1/L1/LustreIntro.pdf

  • Lustre server: servers for parallel storage
    • Object Storage Servers (OSS): Handles I/O requests for file data
    • Object Storage Targets (OST): Block device used by OSS to store file data. Each OSS usually serves multiple OSTs
    • Metadata Storage Servers (MDS): Manages filenames and directories, file stripe locations, locking, ACLs, etc
    • Metadata Storage Targets (MDT): Block device used by MDS to store metadata information
    • MGS – Management server. Stores configuration information for one or more Lustre file systems.
    • MGT - Block device used by MGS for data storage
  • Lustre clients: Compute Nodes that access data from lustre server

Resources

  • https://wiki.lustre.org/Main_Page
  • https://lustre.ornl.gov/lustre101-courses/