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2. Objectives Understand the use of NAS and SAN to provide network storage solutions Identify the principal components of Fibre Channel Understand the principles of storage capacity planning 3.2 Storage Services 189

3. Direct Attached Storage (DAS) 3.2 Storage Services 189

4. Network Attached Storage (NAS) 3.2 Storage Services 190

5. Storage Area Network (SAN) 3.2 Storage Services 191

6. Transfer rates o 1GFC (1 Gbps), 2GFC, 4GFC, 8GFC, and 16GFC o 10GFC and 20GFC Initiator (host server) Target (device port) o LUN (Logical Unit Number) o WWN (World Wide Name) o WWPM (Word Wide Port Name) Fibre Channel Switch / Director Fibre Channel (1) 3.2 Storage Services 192

7. Fibre Channel over IP (FCIP) o Remote link over WAN interfaces for interconnecting SANs o Not high performance Internet SCSI (iSCSI) o Deploy over ordinary Ethernet o Alternative to Fibre Channel hardware Fibre Channel over Ethernet (FCoE) o Mixed Ethernet / FC environment o Converged Network Adapters (CAN) Jumbo Frames Fibre Channel (2) 3.2 Storage Services 192

8. LUN Masking o Access control based on WWN or WWPN Zoning Fibre Channel Security Protocols (FC-SP) o Diffie-Hellman Challenge Handshake Authentication Protocol (DH-CHAP) o Fibre Channel Authentication Protocol (FCAP) o Encapsulating Security Protocol (ESP) Fibre Channel Security Issues 3.2 Storage Services 194

9. Tape Drives Tape drive types o Quarter-Inch Cartridge (QIC) o Travan o Digital Audio Tape (DAT) / Digital Data Storage (DDS) o 8mm / Advanced Intelligent Tape (AIT) o Digital Linear Tape (DLT) / Linear Tape-Open (LTO) / Ultrium Tape libraries / autoloaders Maintenance 3.2 Storage Services 195

10. Other Media Optical and WORM o CD/DVD recordable o CD / DVD Rewritable Optical jukebox Flash media Just a Bunch of Disks (JBOD) 3.2 Storage Services 197

11. Server / appliance OS growth Application o Database records o User-generated content File server Temporary files Logs Backup / archive Storage Capacity Planning 3.2 Storage Services 199

12. Bytes (8 bits) o 300,000,000,000 bytes is always 300,000,000,000 bytes but multiples vary o Base 10 measurements − 300,000,000 kilobytes (KB) − 300,000 megabytes (MB) − 300 gigabytes (GB) o Base 2 measurements − 292,968,750 kibibytes (KiB) − 286102 mebibytes (MiB) − 279.379 gibibytes (GiB) Understand which unit is being used in context o Windows uses base 2 calculations with base 10 labels o Some Linux versions use SI labels o OS X may use base 10 calculations o Storage vendors always use base 10 calculations Disk Size Calculation 3.2 Storage Services 200

13. Disk Quotas and Compression 3.2 Storage Services 200

14. Review Understand the use of NAS and SAN to provide network storage solutions Identify the principal components of Fibre Channel Understand the principles of storage capacity planning 3.2 Storage Services 202