A petabyte (derived from the SI prefix peta- ) is a unit of information or computer storage equal to one quadrillion bytes. It is commonly abbreviated PB. When used with byte multiples, the prefix may indicate a power of either 1000 or 1024, so the exact number may be either: In computer science a byte (pronounced bite) is a unit of measurement of information storage, most often consisting of eight bits. ... An SI prefix (also known as a metric prefix) is a name or associated symbol that precedes a unit of measure (or its symbol) to form a decimal multiple or submultiple. ... // In computing, binary prefixes can be used to quantify large numbers where powers of two are more useful than powers of ten (such as computer memory sizes). ... // In computing, binary prefixes can be used to quantify large numbers where powers of two are more useful than powers of ten (such as computer memory sizes). ... A kilobyte (derived from the SI prefix kilo-, meaning 1,000) is a unit of information or computer storage equal to either 1,000 bytes or 1,024 bytes (210), depending on context. ... A kibibyte (a contraction of kilo binary byte) is a unit of information or computer storage, commonly abbreviated KiB (never kiB). 1 kibibyte = 210 bytes = 1,024 bytes The kibibyte is closely related to the kilobyte, which can be used either as a synonym for kibibyte or to refer to... ReBoot character, see Megabyte (ReBoot). ... MiB redirects here. ... This article is about the unit of measurement. ... A gibibyte is a unit of information or computer storage. ... This article is about a measurement term for data storage capacity. ... A tebibyte is a unit of information or computer storage, commonly abbreviated TiB. 1 tebibyte = 240 bytes = 1,099,511,627,776 bytes The tebibyte is closely related to the terabyte, which can either be a synonym for tebibyte, or refer to 1012 bytes = 1,000,000,000,000 bytes... A pebibyte is a unit of information or computer storage. ... An exabyte (derived from the SI prefix exa-) is a unit of information or computer storage equal to approximately one quintillion bytes. ... An exbibyte (a contraction of exa binary byte) is a unit of information or computer storage, abbreviated EiB. 1 exbibyte = 260 bytes = 1,152,921,504,606,846,976 bytes = 1,024 pebibytes The exbibyte is closely related to the exabyte, which can either be a synonym for exbibyte, or... A zettabyte (derived from the SI prefix zetta-) is a unit of information or computer storage equal to one sextillion (one long scale trilliard) bytes. ... A zettabyte (derived from the SI prefix zetta-) is a unit of information or computer storage equal to one sextillion (one long scale trilliard) bytes. ... A yottabyte (derived from the SI prefix yotta-) is a unit of information or computer storage equal to one septillion (one long scale quadrillion or 1024) bytes. ... This article or section does not cite any references or sources. ... An SI prefix (also known as a metric prefix) is a name or associated symbol that precedes a unit of measure (or its symbol) to form a decimal multiple or submultiple. ... In physics and mathematics, peta- (symbol: P) is a prefix in the SI (system of units) denoting 1015, or 1 000 000 000 000 000. ... The ASCII codes for the word Wikipedia represented in binary, the numeral system most commonly used for encoding computer information. ... This article does not cite any references or sources. ... The quadrillion is a large number which has one of two values depending on how or where it is being used. ... In computer science a byte (pronounced bite) is a unit of measurement of information storage, most often consisting of eight bits. ...

• 1,000,000,000,000,000 bytes — 1000⁵, or 10¹⁵, or
• 1,125,899,906,842,624 bytes — 1024⁵, or 2⁵⁰.

The term "pebibyte", using a binary prefix, has been proposed as an unambiguous reference to the latter value. A pebibyte is a unit of information or computer storage. ... // In computing, binary prefixes can be used to quantify large numbers where powers of two are more useful than powers of ten (such as computer memory sizes). ...

Petabytes in use

Trivia sections are discouraged under Wikipedia guidelines. The article could be improved by integrating relevant items and removing inappropriate ones.

• In Finland all health care information will be stored in a database totaling approximately 500 petabytes in size. The system is scheduled to be complete in 2011. ^[1]

• Greenplum recently installed an open source based data warehouse with more than 1 petabyte of disk residing in 48 rackmount Sun Thumper servers to analyze web data for a popular Internet company.^[2]

• Microsoft stores on 900 servers a total of approximately 14 petabytes. These are mostly imagery for Microsoft's digital model planet, Virtual Earth. This is part of its web-based geobrowser Live Search Maps. Microsoft has spent at the “couple of hundreds of millions of dollars level” on the acquisition of high-resolution commercial satellite images for Virtual Earth.^[3]

• Approximately fifteen petabytes of data will be generated each year in particle physics experiments using CERN’s Large Hadron Collider, due to be launched in May 2008. ^[4]

• In October 2004, Lawrence Livermore National Laboratory (LLNL) installed over 1 PB of high performance DataDirect Networks storage on BlueGene/L.

• In November 2001, Stanford Linear Accelerator Center Babar Project had stored over 1 petabyte of objects using Objectivity/DB

• The San Diego Supercomputer Center (SDSC) in the USA has a 1-petabyte hard disk store and a 6-petabyte robotic tape store, both attached to the National Science Foundation's TeraGrid network. ^[5]

• The CERN computer Center (CASTOR) has a 2-petabyte hard disk store and 10-petabyte of data stored on robotic tape store, October, 2007

• The Internet Archive Wayback Machine contains almost 2 petabytes of data and is currently growing at a rate of approximately 20 terabytes per month. (as of May 2006)^[6]

• The first commercially-available petabyte Storage Array was launched by the EMC Corporation in January 2006, with an approximate cost of USD 4 million.^[7]

• In March of 2005, Teradata announced the world's first single server with roughly 500 gigabytes of storage capable of scaling to a multiserver system that can scale up to approximately 4 petabytes in size for commercial decision support.^[8]

• NOB Cross media facilities in the Netherlands employs a 1.5-petabyte storage network for the storage of all old and new public television and radio content in digital format. Within the next year, most Dutch public television content will be pulled directly out of this database during broadcast.

• RapidShare in October 2007 had 4 petabytes^[9] of hard-disk storage^[10] .

• As of November 2006, eBay had 2 petabytes ^[11] of data.

• As of January 2006, the Climate Prediction Network distributed computing experiment which aims to run thousands of cycles of modelled climate change to predict future patterns is producing 2-3 petabytes of data. This project is conducted via the computing power of thousands of home users whose computers crunch numbers in their spare, 'idle' time.

• On February 24, 2006, DataDirect Networks announced they will provide 1 petabyte of networked storage for Europe's fastest Supercomputer, Tera10, at Commissariat à l'Énergie Atomique.^[12]

• Managed Storage Services offering in IBM Global Services manages more than two petabytes for IBM customers around the world.^[13]

• GridKa (The European Tier1 in Karlsruhe/Germany) plans to extend its disk capacity to 4.2 petabytes for the LHC datastream.

• Indiana University announced on April 5, 2006 that it is acquiring the nation's fastest university-owned supercomputer and largest disk-based research storage facility. This new supercomputer will be connected to more than 1 petabyte of high-speed disk storage. This includes DataDirect Networks high-performance storage and will be by far the largest of its type of university-owned storage in the United States.^[14]

• In 2007, NOAA maintains approximately 1 petabyte of climate data. NOAA expects that their Comprehensive Large Array-data Stewardship System (CLASS) library will hold 20 petabytes of data by 2011, 140 petabytes by 2020

• Some modern commercial tape libraries, robotically accessed collections of tapes primarily used by large organizations for archiving, store several petabytes of data.^[15]

• Drexel University recently announced a new form of data storage so dense that a cubic centimeter contains 12.8 million gigabytes—12.8 petabytes—of information. (see Stabilizing ferroelectric materials)

• As of September 6, 2007, Dattebayo Fansubs has received approximately 14 petabytes of total traffic on their bittorrent network from the download of their collective fansubs.^[16] The actual amount is larger, as they did not track traffic until July 2004.

• Iron Mountain uses 3 petabytes to back up files for office computers.

• May 2007, Viewpointe check image database reaches 100 billion check images which utilizes more than 15 petabytes of storage.

• Jefferson National Accelerator Facility has a 2 petabyte storage farm used to collect data from experiments on the particle accelerator. The lab is located in Newport News, Virginia.

• According to Arnaud DeBorchgrave writing in the Washington Times (July 29, 2007), the amount of information loaded onto the Internet doubles every six months. According to him, about 627 petabytes moves all over the internet every day. According to his article, this amount of information is several thousand times the entire contents of the Library of Congress, and it happens every day.

Image File history File links Broom_icon. ... Founded in June 2003, Greenplum is headquartered in San Mateo, California and has offices in the United States, Europe, and Asia. ... Sun Microsystems, Inc. ... The Sun Fire X4500 data server (code-named Thumper) integrates server and storage technologies. ... Microsoft Corporation, (NASDAQ: MSFT, HKSE: 4338) is a multinational computer technology corporation with global annual revenue of US$44. ... This article is about computer servers. ... MSN Virtual Earth is a free online virtual globe map service by Microsoft. ... MSN Virtual Earth in Internet Explorer 6 Live Search Maps (previously Windows Live Maps and Windows Live Local), is a web mapping service provided as a part of Microsofts Windows Live online applications services suite and powered by Microsofts Virtual Earth. // Detailed street maps are available for many... CERN logo The European Organization for Nuclear Research (French: ), commonly known as CERN (see Naming), pronounced (or in French), is the worlds largest particle physics laboratory, situated just northwest of Geneva on the border between France and Switzerland. ... The Large Hadron Collider (LHC) is a particle accelerator and collider located at CERN, near Geneva, Switzerland (). Currently under construction, the LHC is scheduled to begin operation in May 2008. ... Year 2004 (MMIV) was a leap year starting on Thursday of the Gregorian calendar. ... Aerial view of the lab and surrounding area, facing NW. The Lawrence Livermore National Laboratory (LLNL) in Livermore, California is a United States Department of Energy (DOE) national laboratory, managed and operated by Lawrence Livermore National Security, LLC (LLNS), a limited liability consortium comprised of Bechtel National, the University of... Blue Gene/L Blue Gene is computer architecture project designed to produce several next generation super computers, operating in the PFLOPS range. ... The Stanford Linear Accelerator Center (SLAC) is a United States Department of Energy National Laboratory operated by Stanford University under the programmatic direction of the U.S. Department of Energy Office of Science. ... Objectivity/DB is a commercial object oriented database management system ODBMS produced by Objectivity, Inc. ... The San Diego Supercomputer Center (SDSC) is an organized research unit of the University of California, San Diego (UCSD). ... Typical hard drives of the mid-1990s. ... The logo of the National Science Foundation The National Science Foundation (NSF) is an independent United States government agency that supports fundamental research and education in all the non-medical fields of science and engineering. ... CERN logo The European Organization for Nuclear Research (French: ), commonly known as CERN (see Naming), pronounced (or in French), is the worlds largest particle physics laboratory, situated just northwest of Geneva on the border between France and Switzerland. ... Typical hard drives of the mid-1990s. ... For other uses, see October (disambiguation). ... Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era in the 21st century. ... The logo of Internet Archive The Internet Archive (IA) is a non-profit organization dedicated to maintaining an on-line library and archive of Web and multimedia resources. ... 2006 is a common year starting on Sunday of the Gregorian calendar. ... EMC Corporation (NYSE: EMC) is an American manufacturer of software and systems for information management and storage. ... The United States dollar is the official currency of the United States. ... Year 2005 (MMV) was a common year starting on Saturday (link displays full calendar) of the Gregorian calendar. ... Teradata Teradata is a software company, founded in 1979, that develops and sells a relational database management system with the same name. ... This article needs additional references or sources for verification. ... This article is about the online auction center. ... 2006 is a common year starting on Sunday of the Gregorian calendar. ... Distributed computing is a method of computer processing in which different parts of a program run simultaneously on two or more computers that are communicating with each other over a network. ... Variations in CO2, temperature and dust from the Vostok ice core over the last 450,000 years For current global climate change, see Global warming. ... is the 55th day of the year in the Gregorian calendar. ... Year 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... For other uses, see Supercomputer (disambiguation). ... The Commissariat à lÉnergie Atomique or CEA, the Atomic Energy Commisson, in English, is a French public establishment of an industrial and commercial character whose mission is to develop all applications of atomic energy, both civilian and military. ... Indiana University is the principal campus of the Indiana University system. ... is the 95th day of the year (96th in leap years) in the Gregorian calendar. ... Year 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... The National Oceanic and Atmospheric Administration (NOAA) is a scientific agency of the United States Department of Commerce focused on the conditions of the oceans and the atmosphere. ... A tape silo being loaded. ... Drexel University is an institution of higher learning and research located in Philadelphia, Pennsylvania. ... Ferroelectric materials have historically been difficult to stabilize on the nano-scale as this was due to ineffective methods of screening the charges (ferroelectric materials possess spontaneous and reversible electric dipole moments). ... Iron Mountain Inc is a company specializing in data storage. ...

In fiction

Trivia sections are discouraged under Wikipedia guidelines. The article could be improved by integrating relevant items and removing inappropriate ones.

• In the Star Trek: The Next Generation episode "The Measure of a Man", the character Data is said to have a storage capacity of 800 quadrillion bits, or 100 petabytes.
• In the anime The Melancholy of Haruhi Suzumiya, the emblem Haruhi creates for her club/brigade contains 436 petabytes of data.
• In the book 3001: The Final Odyssey one petabyte is said to be roughly equivalent to the amount of memory one receives in a lifetime.

Image File history File links Broom_icon. ... The title as it appeared in most episodes opening credits. ... The Measure of a Man is a second season episode of Star Trek: The Next Generation first broadcast in 1989. ... Data[1] is a character, portrayed by Brent Spiner, in the Star Trek fictional universe. ... The quadrillion is a large number which has one of two values depending on how or where it is being used. ... The Melancholy of Haruhi Suzumiya ) is the name of the 2006 television anime about a girl who, unbeknownst to her, possesses the power to change reality. ... 3001: The Final Odyssey (1997) is a science fiction novel by Arthur C. Clarke, fourth and final book in the Space Odyssey series. ...

See also

• pebibyte
• petabit
• terabyte
• exabyte
• binary prefix
• orders of magnitude (data)

A pebibyte is a unit of information or computer storage. ... A petabit is a unit of information or computer storage. ... This article is about a measurement term for data storage capacity. ... An exabyte (derived from the SI prefix exa-) is a unit of information or computer storage equal to approximately one quintillion bytes. ... // In computing, binary prefixes can be used to quantify large numbers where powers of two are more useful than powers of ten (such as computer memory sizes). ... This is a list of orders of magnitude for data (or information), measured in bits. ...

References

1. ^ http://www.tietokone.fi/uutta/uutinen.asp?news_id=31556
2. ^ Sun Data Warehouse Appliance
3. ^ [1] "The world on your desktop", The Economist, (September 6th 2007 Issue).
4. ^ New start-up schedule for world's most powerful particle accelerator
5. ^ Electronics Weekly, December 11, 2002
6. ^ Internet Archive FAQ
7. ^ EMC rolls out $4 million petabyte array
8. ^ Teradata Achieves Strong Growth, Outpacing the Global Market for Relational Database Management Systems - 6/21/2005
9. ^ Rapidshare.com Main Page
10. ^ Rapidshare.com 6th August Update News
11. ^ eBay Internals
12. ^ DataDirect Will Provide 1 Petabyte of Networked Storage for Europe's Fastest Supercomputer at CEA, Awarded by Bull
13. ^ Managed Storage Servicesat IBM website
14. ^ IU to acquire nation’s fastest university-owned supercomputer, largest disk-based storage facility
15. ^ ADIC Scalar 10K Tape Library Adds Support For IBM Enterprise Tape Drive Technology.
16. ^ Dattebayo Fansubs' BitTorrent Tracker

The Economist is an English-language weekly news and international affairs publication owned by The Economist Newspaper Ltd and edited in London. ... December 11 is the 345th day of the year (346th in leap years) in the Gregorian calendar. ... Also see: 2002 (number). ... For other uses, see IBM (disambiguation) and Big Blue. ...

External links

• CacheLogic Survey: P2P Accounts for 10 Petabytes of Data
• Fancy a Million-Gigabyte Hard Drive?