© 2011 Sixhills Consulting LtdNetwork Information Storage• Volume of information increasing all the time. 5 exabytes** of new information produced in 2002 (92% on hard disc) and increasing• Regulatory and other pressures force retention for longer periods• Information has a value – loss is a risk that must be managed• Network storage technologies allow simplified architecture• Data can be located where best based on risk/value and common access methods used PrinterFromEnterprise ServersLocal File Print ServerDepartmental DataLocally Stored DataEnterprise DataSAN*Tape LibraryToEnterprise ServersStorage SwitchPrint ServerPrinterProvides Network Access to SAN“iSCSI”“FCIP”SANTape Library* SAN = Storage Area NetworkNetwork Attached Storage** An exabyte is 1 million million megabytes; 5 exabytes is equivalent to all the words ever spokenInformation Technology Sourcing FundamentalsP6
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