Data Archival and System Redundancy

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Data Archival and System Redundancy

• John Ledford
• August 7th, 2007

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Data Backup Servers

• 6 Terabytes each
• Two identical servers
• RAID6
• Fully tested
• Ready to be packed
• 60-80MB/s transfer
• Anthony trained
• Manual written

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Getting the Data Off Radar

• Manual written
• Updated
• Contains Linux Primer for Radar
• Anyone should be able to use

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Getting the Data Home

• Waterproof
• Padded
• Lockable
• Wheels
• Hard to miss
• Two hard drive sets
• Two paths home

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System Redundancy

• Three Systems, just in case.
• Main system
• Full set of replacement cards
• Another set of replacement cards for depth
  sounding only

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COTS Equipment Spares

• Brand new CPUs
• Primary and secondary brand new
• Brand new HD Carriers
• Primary all new
• Secondary 1 new carrier, old HDs
• Secondary 2 new carrier, old HDs
• Spare VICOR Power Supply
• Spare CPCI Power Supplies
• Already double redundant in chassis
• Spare Booster Fan

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CReSIS Equipment Spares

• 100 Backup of Digital Cards
• (2) Spare RF Receivers
• Spare RF Transmitter
• (9) Spare Rear Transition Modules
• Spare Timing Backplane
• (1) Spare Power Backplane

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Another Backup

• Additionally another pair of carrier cards,
  waveform generators, and DAQ cards are being
  brought to make a simple depth sounder if
  necessary out of connectorized RF components.

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