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Tape Drive Technology Overview AITSAITSDLTLTO. Tape Drive Recording Technologies AITSAITSuperDLTLTO Recording styleHelical Scan Linear serpentine Cartridge.

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Presentation on theme: "Tape Drive Technology Overview AITSAITSDLTLTO. Tape Drive Recording Technologies AITSAITSuperDLTLTO Recording styleHelical Scan Linear serpentine Cartridge."— Presentation transcript:

1 Tape Drive Technology Overview AITSAITSDLTLTO

2 Tape Drive Recording Technologies AITSAITSuperDLTLTO Recording styleHelical Scan Linear serpentine Cartridge styleDual HubSingle Hub Tape width 8mm (.320 inch).500 inch Tape length 230 M (690 feet) 600 M (1,800 feet) 1,800 feet Servo SystemTiming based OpticalMagnetic servo tracks

3 AIT DLT/S-DLT/LTO/SAIT/3480 Cartridge Styles Tape Pack 8mm x 230m Tape Pack ½ inch x 600m Dual Hubs Single Hub Shell 3.8”x2.5”x.600” Shell 4.08”x4.2”x.860” Although the media may look the same physically, because of differences in magnetic formulation between the different formats the media will not work interchangeably between different major product families Although LTO and DLT media look similar they are actually slightly different sizes and have different mechanical features just as other media types 3480 and SAIT

4 Linear Recording Tape Supply Reel Tape Take up Reel Recording Head BOT EOT Tape Motion Tape moves between 120-200 Inches per second past the head

5 Linear Recording Tape Take up Reel Tape Supply Reel Recording Head Tape Motion Head steps down to write new track BOT EOT

6 Linear Recording Tape Supply Reel Tape Take up Reel Recording Head Tape Motion BOT EOT Head steps down to write new track

7 Linear Recording Tape Take up Reel Tape Supply Reel Recording Head Tape Motion BOT EOT Head steps up to write new track

8 Helical Recording Tape Supply Reel Tape Take up Reel Recording Head BOT EOT Rotating head is skewed at angle and rotates at 4000-6000 RPM Tape Motion Tape moves between 2-6 Inches per second past the head

9 Helical Recording Tape Supply Reel Tape Take up Reel Recording Head BOT EOT Rotating head is skewed at angle and rotates at 4000-6000 RPM Tape Motion Tape moves between 2-6 Inches per second past the head These helical tracks are called stripes

10 Tape Mechanism Helical Scan 3D Top View Top View Rotating Head Cartridge Take Up Reel

11 Tape Mechanism Linear Scan 3D Top View 2D Top View Fixed Head Cartridge Take Up Reel

12 Current Tape Technology Flagship Products Native Capacity 100 GB500 GB160 GB200 GB Compressed Capacity 260 GB1.3 TB320 GB400 GB Native Transfer Rate 12 MB/s30 MB/s16 MB/s35 MB/s Compressed Transfer Rate 31 MB/s78 MB/s32 MB/s70 MB/s Load Time 10s23s12s15s Average Seek Time 27s70s 46s Max. Rewind Time <105s40s140s80s Unload Time <24s<23s12s15S Data Rate Matching No Yes Buffer Size 18 MB72 MB64 MB MIC/MAM Yes NoYes AIT - 3 SAIT - 1 SDLT 320 LTO 2

13 Current Tape Technology Flagship Products Error Rate Less than 10 -17 bits WORM Functionality YesQ4 2003No Mechanism MTBF 400,000 @ 100% Duty Cycle 500,000 @ 100% Duty Cycle 250,000 @ 100% Duty Cycle Head MTBF 50,000 tape contact hours 30,000 hours TBS Library Drive MSRP $5,600$15,900$6,800$8,500 Media MSRP $125$250$160 Cost for 1st 1 TB of Storage* $6,850$16,400$7,760$9,300 Cost for 10 TB of Storage** $18,100$20,900$16,800$16,500 Cost for 50 TB of Storage*** $68,100$40,900$56,800$48,500 AIT - 3 SAIT - 1 SDLT 320 LTO 2 *Library tape drive + enough media to provide 1 TB of native storage capacity **Library tape drive + enough Media to provide 10 TB of native storage capacity ***Library tape drive + enough Media to provide 50 TB of native storage capacity

14 Tape Technology Road Maps Year2003200420052006200720082009 AIT Roadmap SAIT Roadmap SDLT Roadmap LTO Roadmap AIT-5 400 GB 48 MB/s AIT-6 800 GB 96 MB/s SAIT-1 500 GB 30 MB/s SAIT-4 4 TB 240 MB/s AIT-4 200 GB 24 MB/s SDLT 600 300 GB 32 MB/s SDLT 1200 600 GB 80 MB/s SAIT-2 1 TB 60 MB/s LTO 3 400 GB 80 MB/s SAIT-3 2 TB 120 MB/s SDLT 2400 1.2 TB 80 MB/s LTO 4 800 GB 160 MB/s All specifications native capacity and performance

15 Library Capacity/Performance Envelope Year 2002200320042005200620072008 TLS 4000 TLS 5000 TLS 6000 TLS 8000 5.6 TB-240 TB 316GB/hr-1.9 TB/hr 11.2 TB-480 TB 632GB/hr-3.8 TB/hr 16.5 TB-132 TB 432GB/hr-864 GB/hr 132TB-1.05 PB 3.4 TB/hr-6.8 TB/hr 2009 2.8 TB-120 TB 158 GB/hr-950GB/hr 3 TB-72 TB 230GB/hr-920 GB/hr 6 TB-144 TB 460GB/hr-1.84 TB/hr 1.4 TB-60 TB 79 GB/hr-475 GB/hr 1.6 TB-34 TB 115GB/hr-460 GB/hr 2.2 TB-53 TB 108GB/hr-864 GB/hr 33 TB-264 TB 864GB/hr-1.7 TB/hr 4.4 TB-106 TB 216GB/hr-1.7 TB/hr 66TB-528 TB 1.7 TB/hr-3.4 TB/hr 12 TB-288 TB 920GB/hr-3.68 TB/hr 8.8 TB-212 TB 432GB/hr-3.4 TB/hr

16 AIT Technology Highlights 3.5” FF  Small form factor of drives and media leads to a higher storage density per given library  Helical scan recording provides high density and ability to accommodate varying transfer rates MIC  Shortens load time  Search Map for High-Speed Search reduces overall Access Time  Stores System Log (Redundant)  WORM functionality keying AME Tape  Technology eliminates traditional binders providing superior durability  High magnetic output enables high density products WORM Media  Low cost WORM functionality out paces MO  Meets SEC 17 CFR ' 241.17a-4 requirements  30 Year Archival storage life

17 SAIT Technology Highlights SAIT  500 TB per cartridge capacity native  Helical scan recording provides high density and ability to accommodate varying transfer rates  ALDC compression typically provides 2.6:1 data compression RMIC  Shortens load time  Search Map for high-speed search reduces overall access time  Stores System Log (Redundant)  WORM functionality keying Front Rear Air Flow Sealed Deck PWB SAIT Controlled Airflow  Improves reliability  Contamination protection for mechanics  Effective cooling of electronics Dual Mode Tape Path  Tape is un-wrapped from drum for: –Fast Forward/rewind –High speed search w/RMIC  Maximum rewind speed of 551 IPS provides a maximum rewind time of 40 seconds

18 SDLT Technology Highlights SDLT Modular Architecture  Five major modules simplify service and improve reliability  Power loading designed for automation use POSITIVE BUCKLE  Positive engagement and ‘lock” prevents dropped leaders  Backward compatible with previous tape IV style media AMP MEDIA Back coat layer with servo guides High coercivity magnetic layer Under layer Enhanced base film layer  High performance magnetic coating provides long term storage performance Optical Guidance Tracks Laser/Optics Magnetic Data Tracks Pivoting Optical Servo Advanced MR Cluster Head POS  Optical servo track on backside of tape preserves 100% of recording surface for data  Optical servo track is indelible-tape can be bulk erased and reused

19 LTO Technology Highlights LTO-2 Drive  Adaptive threading and soft load interlock eliminate problems associated with cartridge miss- loading  High durability mechanism designed for automation service duty  Adaptive data rate matching provides full speed to half speed data rate matching in 1/8 step increments Dual Actuator Head  Provides high resolution servo tracking improving data reliability  Superior shock and vibration performance compared to other drive technologies Surface Control Guiding  Surface Control Guiding eliminates traditional edge guiding techniques providing greater media durability  Reduces debris generation and insensitive to tape edge quality or pack dynamics LTO-CM  LTO-CM manufacturing information –Cartridge initialization information Tape directory,Cartridge information Pass history,Error history,Usage,Tape Alert flags  Search Map for High-Speed Search reduces overall Access Time  Stores System Log (Redundant)  WORM functionality keying


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