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TEM - 9840 PDF Print
Tuesday, 21 February 2006 15:29

9840In today’s information-driven business environments, fast access to data is key to success. The Sun StorageTek™ 9840 tape cartridge responds to this need. With an average access time of just 12 seconds, these cartridges enable you to get to your data faster than you would with any other tape technology. Working together with Sun StorageTek T9840 tape drives, 9840 cartridges help you unleash your system resources.

Media

Type : Advanced metal particle
Number of tracks : 288
Capacity : 20 GB, uncompressed
Archival life : 15 to 30 years
Durability (short length) : 80,000 write/read passes minimum
Durability (long term) : 6,500 write/read passes minimum
Loads/Unloads : 10,000 minimum
Uncorrected bit error rate : 1 in 1018bytes
Permanent errors : Zero

9840 TEM Graph

9840 fail
An example of a faulty tape cartridge. ( N.B. "Threshold Exceeded" green hatch lines at the back )

 

9840 Error stats reported details

  • Write Errors – Log sense page 02h
    • ECSD : Errors Corrected with Substantial delays
    • ECPD : Errors Corrected with possible dalays
    • Rewrites : Total number of rewrites
    • Data checks : Number of records with recovered data checks
    • Uncorrected : Total number of uncorrected errors
  • Read Errors – Log sense page 02h
    • ECSD : Errors Corrected with Substantial delays
    • ECPD : Errors Corrected with possible dalays
    • Rereads : Total number of rewrites
    • Data checks : Number of records with recovered data checks
    • Uncorrected : Total number of uncorrected errors
 

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