Tape Storage

Tape Storage

1. Oracle Storage Tek LTO tape drive

   • capable of writing 32 tracks simultaneously
   • 208 passes resulting 6,656 tracks

2. tape cartidrige

   • IBM 3592
     • 4 TB
   • T10000 T2 tape cartridge
     • 8.5TB

3. IBM TS3500 Taple Library

   • 15 connected libraries
   • maximum 2700 tape drives
   • Storage capacity 300,000 tapes
   • 900PB of compressed data

4. COMMANDS

   • DISPLAY SMS,LIBRARY(libname | ALL),STATUS
     • This command will provide an overview of a library status, and whether it is online,offline, or pending offline. Specifying the option ALL intesd will show the status of all defined libraries
   • DISPLAY SMS,LIBRARY(libname),DETAIL
     • this command displays details about the status of a single library.
   • D SMS,VOL(volser)
     • This command will display information stored about a voue and is obtained directly from the library.
   • LIBRARY REQUEST,LVTS01,STATUS,GRID
     • The library request command is useful command that can be used to gain valuable information on the status of various functions and components with a VTS and a VTS grid.

5. intervention messages can be viewd prexis CBR

   • Console Prefix CBR

6. (SAN) Storage Area Network

   • pool fo connected storage devices
     • conected to multiple hosts
     • communicate using protocols
       • FC(fiber channel)
       • SAS
       • iSCSI
       • FCON
       • iSCSI protocol
         • communication over IP networks
       • FCIP
         • tunneling protocol
         • only transfer FC data.
       • iFCP
         • encapsulates FC frames
           • sends data actoss the IP network
         • cna handle both iSCSI and FCIP traffic

7. DAS

   • no network device configured between storage device and host

8. NAS

   • use various protocols to transfer files

9. Cloud environment

   • Public cloud
   • Private cloud
   • Hynrid cloud
   • Community cloud

10. ICKDSF(Device Support Facilities

    • how to invoke ICKDSF
    • initializa Disk Using ICKDSF
    • perform Disk Maintenance Using ICKDSF
    • before a disk can be used, it must be initialized
      • Determining the format of the disk
      • Formatting the disk for use
      • Assigning a name to the disk
    • other utilities
      • initializa and configure DASD
      • manage the physical disk features
        • (CKD) counter-key-data
          • used by
            • z/vse
            • z/os
        • (FBA) fixed blick architecture
          • used by
            • z/vse Z/VM
    • USED TO ERASE DATA ON A DISK
      • outside of security software IBM RACF