A linear data set (LDS) is a type of data set organization used by IBM's VSAM computer data storage system.[1]: 5
The LDS has a control interval size of 4096 bytes to 32768 bytes[2] in increments of 4096.[1]: 31 A LDS does not have embedded control information, because it does not contain control information, the LDS cannot be accessed as if it contained individual records.[3]
Addressing within an LDS is by Relative Byte Address (RBA), which allows it to be used by systems such as IBM Db2 or the Operating system.[clarification needed] The benefit of this is that systems such as the OS can access multiple disk spindles and view it as a single storage implementation. The limitations of this, though, is that this does not make this particularly useful to higher level abstraction levels.[original research?] Data In Virtual[4] (DIV) and Window services[5] provide an alternative method to direct use of VSAM to access an LDS with a CI size of 4096.
linear, data, this, article, needs, additional, citations, verification, please, help, improve, this, article, adding, citations, reliable, sources, unsourced, material, challenged, removed, find, sources, news, newspapers, books, scholar, jstor, september, 20. This article needs additional citations for verification Please help improve this article by adding citations to reliable sources Unsourced material may be challenged and removed Find sources Linear Data Set news newspapers books scholar JSTOR September 2017 Learn how and when to remove this template message A linear data set LDS is a type of data set organization used by IBM s VSAM computer data storage system 1 5 The LDS has a control interval size of 4096 bytes to 32768 bytes 2 in increments of 4096 1 31 A LDS does not have embedded control information because it does not contain control information the LDS cannot be accessed as if it contained individual records 3 Addressing within an LDS is by Relative Byte Address RBA which allows it to be used by systems such as IBM Db2 or the Operating system clarification needed The benefit of this is that systems such as the OS can access multiple disk spindles and view it as a single storage implementation The limitations of this though is that this does not make this particularly useful to higher level abstraction levels original research Data In Virtual 4 DIV and Window services 5 provide an alternative method to direct use of VSAM to access an LDS with a CI size of 4096 See also editKey Sequenced Data Set Entry Sequenced Data Set Relative Record Data SetReferences editASMGUIDE z OS 2 5 MVS Programming Assembler Services Guide PDF IBM September 30 2021 SA23 1368 50 Other citations a b Lovelace Mary Dovidauskas Jose Salla Alvaro Sokal Valeria March 2013 Chapter 1 VSAM basics VSAM Demystified PDF Redbooks 3 ed IBM Linear Data sets PDF z OS 2 5 DFSMS Using Data Sets PDF IBM September 30 2021 p 91 SC23 6855 50 IBM Knowledge Center www ibm com 27 March 2014 Retrieved 2021 02 07 ASMGUIDE pp 225 248 Chapter 14 Data in virtual ASMGUIDE pp 293 310 Chapter 17 Window Services nbsp This computer storage related article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Linear Data Set amp oldid 1086538059, wikipedia, wiki, book, books, library,
