Storage Überblick

• RAID Level (0,1,4,5,6,sonstige DP), declusted, shared nothing
• Typen:
  • (ATA), SATA, (SCSI), SAS, FC
  • Block, File (SAN/NAS)
    • iSCSI, Fibre Channel, FCoE
    • NFS (V3, V4), CIFS/SMB
  • SLC, (e)MLC, TLC, 3D NAND, NOR Flash
  • Scale up, Scale Out
  • Little's Law
  • synchron vs. asynchron
  • Eigenschaften von Flash vs. Harddisk
  • NVMe
  • Alignment
  • HA / DR
  • stateless vs. stateful
  • Storage-Virtualisierung
    • SW (Falconstore, Datacore)
    • HW (SVC, VPLEX, HDS, …)
  • Filesysteme (FAT, exFAT, ext3/4, WAFL, ZFS, APFS) vs. Filezugriff (NFS/SMB)
  • Protokolle SCSI, FC, iSCSI, FCoE, Infiniband, RDMA, DCB
  • PRML? Shingled, HAMR, PMR
  • Geometrie? LBA
  • AMA
• Toolset
  • OS (Linux-, & UNIX-Tools), wait-io?