Tape Drive Technology Overview AITSAITSDLTLTO

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

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

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

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

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

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

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

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

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

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

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

Current Tape Technology Flagship Products Error Rate Less than bits WORM Functionality YesQ4 2003No Mechanism MTBF 100% Duty Cycle 100% Duty Cycle 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

Tape Technology Road Maps Year AIT Roadmap SAIT Roadmap SDLT Roadmap LTO Roadmap AIT GB 48 MB/s AIT GB 96 MB/s SAIT GB 30 MB/s SAIT-4 4 TB 240 MB/s AIT GB 24 MB/s SDLT GB 32 MB/s SDLT GB 80 MB/s SAIT-2 1 TB 60 MB/s LTO GB 80 MB/s SAIT-3 2 TB 120 MB/s SDLT TB 80 MB/s LTO GB 160 MB/s All specifications native capacity and performance

Library Capacity/Performance Envelope Year TLS 4000 TLS 5000 TLS 6000 TLS 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 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

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 ' a-4 requirements  30 Year Archival storage life

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

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

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