{"id":"https://openalex.org/W2069043460","doi":"https://doi.org/10.1145/1629075.1629076","title":"Higher reliability redundant disk arrays","display_name":"Higher reliability redundant disk arrays","publication_year":2009,"publication_date":"2009-11-01","ids":{"openalex":"https://openalex.org/W2069043460","doi":"https://doi.org/10.1145/1629075.1629076","mag":"2069043460"},"language":"en","primary_location":{"id":"doi:10.1145/1629075.1629076","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1629075.1629076","pdf_url":null,"source":{"id":"https://openalex.org/S158124317","display_name":"ACM Transactions on Storage","issn_l":"1553-3077","issn":["1553-3077","1553-3093"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Storage","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5040339192","display_name":"Alexander Thomasian","orcid":"https://orcid.org/0000-0001-8684-4850"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Alexander Thomasian","raw_affiliation_strings":["Thomasian and Associates, Pleasantville, NY"],"affiliations":[{"raw_affiliation_string":"Thomasian and Associates, Pleasantville, NY","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003555864","display_name":"Mario Blaum","orcid":"https://orcid.org/0000-0002-5711-9411"},"institutions":[{"id":"https://openalex.org/I121748325","display_name":"Universidad Complutense de Madrid","ror":"https://ror.org/02p0gd045","country_code":"ES","type":"education","lineage":["https://openalex.org/I121748325"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Mario Blaum","raw_affiliation_strings":["Universidad Complutense de Madrid (UCM), Madrid, Spain","Universidad Complutense de Madrid UCM, Madrid, Spain#TAB#"],"affiliations":[{"raw_affiliation_string":"Universidad Complutense de Madrid (UCM), Madrid, Spain","institution_ids":["https://openalex.org/I121748325"]},{"raw_affiliation_string":"Universidad Complutense de Madrid UCM, Madrid, Spain#TAB#","institution_ids":["https://openalex.org/I121748325"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5040339192"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":7.1998,"has_fulltext":false,"cited_by_count":65,"citation_normalized_percentile":{"value":0.97272992,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"5","issue":"3","first_page":"1","last_page":"59"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10772","display_name":"Distributed systems and fault tolerance","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9965000152587891,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/raid","display_name":"RAID","score":0.9139832258224487},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7326446771621704},{"id":"https://openalex.org/keywords/redundancy","display_name":"Redundancy (engineering)","score":0.5322563052177429},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.5152543187141418},{"id":"https://openalex.org/keywords/disk-array","display_name":"Disk array","score":0.493493914604187},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.4351934790611267},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.3080838918685913},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.22905036807060242},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.14949023723602295}],"concepts":[{"id":"https://openalex.org/C133320665","wikidata":"https://www.wikidata.org/wiki/Q179299","display_name":"RAID","level":2,"score":0.9139832258224487},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7326446771621704},{"id":"https://openalex.org/C152124472","wikidata":"https://www.wikidata.org/wiki/Q1204361","display_name":"Redundancy (engineering)","level":2,"score":0.5322563052177429},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.5152543187141418},{"id":"https://openalex.org/C13021383","wikidata":"https://www.wikidata.org/wiki/Q1228738","display_name":"Disk array","level":2,"score":0.493493914604187},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.4351934790611267},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.3080838918685913},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.22905036807060242},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.14949023723602295},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1629075.1629076","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1629075.1629076","pdf_url":null,"source":{"id":"https://openalex.org/S158124317","display_name":"ACM Transactions on Storage","issn_l":"1553-3077","issn":["1553-3077","1553-3093"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Storage","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4399999976158142,"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":199,"referenced_works":["https://openalex.org/W59613816","https://openalex.org/W80308048","https://openalex.org/W88383462","https://openalex.org/W109211904","https://openalex.org/W130792636","https://openalex.org/W133105688","https://openalex.org/W148271516","https://openalex.org/W182759574","https://openalex.org/W201248661","https://openalex.org/W202898307","https://openalex.org/W575659480","https://openalex.org/W1245668998","https://openalex.org/W1491719847","https://openalex.org/W1492565218","https://openalex.org/W1492601037","https://openalex.org/W1503196930","https://openalex.org/W1504660457","https://openalex.org/W1516176346","https://openalex.org/W1523512263","https://openalex.org/W1526685580","https://openalex.org/W1528711985","https://openalex.org/W1531975040","https://openalex.org/W1541482680","https://openalex.org/W1546442581","https://openalex.org/W1552359986","https://openalex.org/W1554130893","https://openalex.org/W1555915743","https://openalex.org/W1556443961","https://openalex.org/W1569338333","https://openalex.org/W1574672204","https://openalex.org/W1583865258","https://openalex.org/W1584278632","https://openalex.org/W1585096280","https://openalex.org/W1587236616","https://openalex.org/W1590118141","https://openalex.org/W1592548616","https://openalex.org/W1597836871","https://openalex.org/W1599643043","https://openalex.org/W1602911646","https://openalex.org/W1606480398","https://openalex.org/W1622719107","https://openalex.org/W1633637678","https://openalex.org/W1716911504","https://openalex.org/W1721668155","https://openalex.org/W1746636920","https://openalex.org/W1775510163","https://openalex.org/W1784889716","https://openalex.org/W1820898047","https://openalex.org/W1841617228","https://openalex.org/W1928720092","https://openalex.org/W1941407084","https://openalex.org/W1963726333","https://openalex.org/W1963807036","https://openalex.org/W1964253364","https://openalex.org/W1965724639","https://openalex.org/W1967092753","https://openalex.org/W1973178497","https://openalex.org/W1974401809","https://openalex.org/W1975127487","https://openalex.org/W1980742688","https://openalex.org/W1989947442","https://openalex.org/W1990620860","https://openalex.org/W1992580876","https://openalex.org/W1994958871","https://openalex.org/W1995408849","https://openalex.org/W1995467417","https://openalex.org/W1996480057","https://openalex.org/W1996496158","https://openalex.org/W1998066559","https://openalex.org/W1998891443","https://openalex.org/W2000965156","https://openalex.org/W2001500256","https://openalex.org/W2003141432","https://openalex.org/W2008417455","https://openalex.org/W2010259132","https://openalex.org/W2010488817","https://openalex.org/W2014668604","https://openalex.org/W2017563980","https://openalex.org/W2017644570","https://openalex.org/W2018115247","https://openalex.org/W2018917553","https://openalex.org/W2019258238","https://openalex.org/W2022165096","https://openalex.org/W2023917386","https://openalex.org/W2027753868","https://openalex.org/W2028192613","https://openalex.org/W2029728897","https://openalex.org/W2032869909","https://openalex.org/W2033380306","https://openalex.org/W2034822440","https://openalex.org/W2035606364","https://openalex.org/W2040211252","https://openalex.org/W2043719859","https://openalex.org/W2051725025","https://openalex.org/W2053923031","https://openalex.org/W2058671181","https://openalex.org/W2059651552","https://openalex.org/W2062617656","https://openalex.org/W2064421917","https://openalex.org/W2065077642","https://openalex.org/W2070215238","https://openalex.org/W2070886722","https://openalex.org/W2072636268","https://openalex.org/W2074707294","https://openalex.org/W2074833769","https://openalex.org/W2078272834","https://openalex.org/W2080232995","https://openalex.org/W2080879471","https://openalex.org/W2082871877","https://openalex.org/W2085936062","https://openalex.org/W2086674381","https://openalex.org/W2088590034","https://openalex.org/W2088774956","https://openalex.org/W2095724615","https://openalex.org/W2097052930","https://openalex.org/W2099023565","https://openalex.org/W2100100130","https://openalex.org/W2100533267","https://openalex.org/W2101105988","https://openalex.org/W2102959983","https://openalex.org/W2103315535","https://openalex.org/W2104812861","https://openalex.org/W2105284028","https://openalex.org/W2106508442","https://openalex.org/W2106587909","https://openalex.org/W2107443497","https://openalex.org/W2108183412","https://openalex.org/W2109519592","https://openalex.org/W2109707239","https://openalex.org/W2112143611","https://openalex.org/W2112523682","https://openalex.org/W2114167330","https://openalex.org/W2114197496","https://openalex.org/W2114315066","https://openalex.org/W2114749217","https://openalex.org/W2115552168","https://openalex.org/W2117578586","https://openalex.org/W2119216291","https://openalex.org/W2120329928","https://openalex.org/W2120396387","https://openalex.org/W2122619002","https://openalex.org/W2124096669","https://openalex.org/W2124306283","https://openalex.org/W2125496807","https://openalex.org/W2127425314","https://openalex.org/W2130049467","https://openalex.org/W2133084693","https://openalex.org/W2137291643","https://openalex.org/W2137313511","https://openalex.org/W2137982318","https://openalex.org/W2140817905","https://openalex.org/W2140913576","https://openalex.org/W2141884312","https://openalex.org/W2142391126","https://openalex.org/W2144825981","https://openalex.org/W2147323018","https://openalex.org/W2147343704","https://openalex.org/W2147504831","https://openalex.org/W2147527217","https://openalex.org/W2147853062","https://openalex.org/W2148406524","https://openalex.org/W2149509970","https://openalex.org/W2153925593","https://openalex.org/W2155828589","https://openalex.org/W2159081928","https://openalex.org/W2159416784","https://openalex.org/W2163775180","https://openalex.org/W2166011389","https://openalex.org/W2166709280","https://openalex.org/W2166736779","https://openalex.org/W2168395296","https://openalex.org/W2168454269","https://openalex.org/W2168648709","https://openalex.org/W2169422590","https://openalex.org/W2169485362","https://openalex.org/W2170095778","https://openalex.org/W2170847555","https://openalex.org/W2171873915","https://openalex.org/W2205081589","https://openalex.org/W2407209210","https://openalex.org/W2504759003","https://openalex.org/W2551522759","https://openalex.org/W2592270044","https://openalex.org/W2753710282","https://openalex.org/W2915063781","https://openalex.org/W2917663763","https://openalex.org/W4233332459","https://openalex.org/W4248326314","https://openalex.org/W4248578633","https://openalex.org/W4254821890","https://openalex.org/W4255005259","https://openalex.org/W4285719527","https://openalex.org/W6604419005","https://openalex.org/W6605432439","https://openalex.org/W6605992226","https://openalex.org/W6632551455","https://openalex.org/W6635176089","https://openalex.org/W6657951020","https://openalex.org/W6724740478"],"related_works":["https://openalex.org/W1996527486","https://openalex.org/W2775579341","https://openalex.org/W1592162257","https://openalex.org/W2149509970","https://openalex.org/W2275730954","https://openalex.org/W2970955506","https://openalex.org/W2559973598","https://openalex.org/W2120689903","https://openalex.org/W2044318741","https://openalex.org/W2099343066"],"abstract_inverted_index":{"Parity":[0],"is":[1,61,151,160],"a":[2,35,38,55,67,81,85,140,154,200,298,305],"popular":[3],"form":[4],"of":[5,11,20,34,80,143,157,167,247,250,279,307,312],"data":[6,64,268],"protection":[7],"in":[8,252],"redundant":[9],"arrays":[10,114],"inexpensive/independent":[12],"disks":[13,22],"(RAID)":[14],".":[15],"RAID5":[16,52,73,212,286],"dedicates":[17],"one":[18],"out":[19],"N":[21],"to":[23,25,63,91,103,109,153,164,211,221,228,238,262,267],"parity":[24,136],"mask":[26,54],"single":[27,56],"disk":[28,40,57,69,83,111,189,226,254,280],"failures,":[29],"that":[30,285],"is,":[31],"the":[32,46,78,89,96,128,149,165,171,187,197,233,245,277,290],"contents":[33,79],"block":[36],"on":[37,49,84,121],"failed":[39,82,206],"can":[41,53],"be":[42,100],"reconstructed":[43],"by":[44],"exclusive-ORing":[45],"corresponding":[47],"blocks":[48],"surviving":[50],"disks.":[51,158,207],"failure,":[58],"and":[59,130,184,196,213,232,276,309,315,317],"it":[60],"vulnerable":[62],"loss":[65,269],"if":[66],"second":[68],"failure":[70,112],"occurs.":[71],"The":[72],"rebuild":[74,97,224],"process":[75,98],"systematically":[76],"reconstructs":[77],"spare":[86],"disk,":[87],"returning":[88],"system":[90],"its":[92],"original":[93],"state,":[94],"but":[95,173],"may":[99],"unsuccessful":[101],"due":[102],"unreadable":[104],"sectors.":[105],"This":[106],"has":[107],"led":[108],"two":[110,146,205],"tolerant":[113],"(2DFTs)":[115],",":[116],"such":[117],"as":[118,192,294],"RAID6":[119,214],"based":[120],"Reed-Solomon":[122],"(RS)":[123],"codes.":[124],"EVENODD,":[125],"RDP":[126,159,185],"(Row-Diagonal-Parity),":[127],"X-code,":[129],"RM2":[131,138,195],"(Row-Matrix)":[132],"are":[133],"2DFTs":[134],"with":[135,162,204,240,304],"coding.":[137],"incurs":[139],"higher":[141],"level":[142,293],"redundancy":[144,235],"than":[145],"disks,":[147],"while":[148,194,296],"X-code":[150,198],"limited":[152],"prime":[155],"number":[156,166],"optimal":[161],"respect":[163],"XOR":[168],"operations":[169],"at":[170],"encoding,":[172],"not":[174],"for":[175,319],"short":[176],"write":[177],"operations.":[178],"For":[179],"small":[180],"symbol":[181],"sizes":[182],"EVENODD":[183],"have":[186],"same":[188,291],"access":[190],"pattern":[191],"RAID6,":[193,295],"incur":[199],"high":[201],"recovery":[202],"cost":[203],"We":[208,243,256,302],"describe":[209,257],"variations":[210],"organizations,":[215],"including":[216],"clustered":[217],"RAID,":[218],"different":[219],"methods":[220],"update":[222],"parities,":[223],"processing,":[225],"scrubbing":[227],"eliminate":[229],"sector":[230,241,274],"errors,":[231],"intra-disk":[234],"(IDR)":[236],"method":[237],"deal":[239],"errors.":[242],"summarize":[244],"results":[246,283],"recent":[248],"studies":[249,311],"failures":[251],"hard":[253],"drives.":[255],"Markov":[258],"chain":[259],"reliability":[260],"models":[261],"estimate":[263],"RAID":[264,313,320],"mean":[265],"time":[266],"(MTTDL)":[270],"taking":[271],"into":[272],"account":[273],"errors":[275],"effect":[278],"scrubbing.":[281],"Numerical":[282],"show":[284],"plus":[287],"IDR":[288],"attains":[289],"MTTDL":[292],"incurring":[297],"lower":[299],"performance":[300,314,321],"penalty.":[301],"conclude":[303],"survey":[306],"analytic":[308],"simulation":[310],"tools":[316],"benchmarks":[318],"evaluation.":[322]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":10},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":7}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}