
sreniparamaaya sambharana maanejment

tyred storeju ennum ariyappedunna sreniparamaaya storeju maanejment (echu. ezz. emm), uyarnna chelavil kuranja chelavil sambharana maadhyamangalkkidayil daatta svayameva neekkunna oru daatta sambharana, daatta maanejment saankethikathayaanu. haard disk driveukal, opttikkal discukal, magnetic tape driveukal thudangiya mandagathiyilulla upakaranangalekkaal (oro baittilum sambharichirikkunna) soolid stettu drive arekal polulla athivega sambharana upakaranangal kooduthal chelaveriyathaayathinaal echu. ezz. emm samvidaanangal nilavilundu. ellah daattayum ellaayppozhum athivega upakaranagalil labhyamaakunnath anuyojyamaanengilum, pala oorganaiseshanukalkkum ithu vilayeriyathaanu. pakaram, echu. ezz. emm. samvidaanangal enterprisasinte daattayude bhooribhaagavum mandagathiyilulla upakaranagalil sambharikkukayum aavashyamullappol daatta vegathayeriya disk drivukalilekku pakartthukayum cheiyunnu. echu. ezz. emm. sisttam daatta upayogikkunna reethi nireekshikkukayum eathu daatta surakshithamaayi mandagathiyilulla upakaranangalilekku neekkaan kazhiyumennum eathu daatta vegathayeriya upakaranagalil thudaranamennum mikacha ooham nadathukayum cheiyunnu.
deerghakaala aarkkaivinginaayi kooduthal sakthamaaya sambharanam labhyamaya sthalathum echu. ezz. emm upayogikkaam, pakshe ithu axus cheyyaan mandagathiyilaanu. kettidatthile theepidutthatthil ninnulla samrakshanathinaayi ithu oru oof-saitt backup pole lalithamaayirikkam.
vaanijyaparamaaya dattaa prosessinghinte thudakkam muthalulla deerghakaalamaayi sthaapithamaaya oru aashayamaanu echu. ezz. emm. valia dattaa settukalude sambharanathinum deerghadoora ashayavinimayathinum puthiya saankethikavidya labhyamaakumbol upayogikkunna saankethikavidyakal ganyamaayi maari. sais', 'axus time' thudangiya alavukalude alavu naadakeeyamaayi maari. ithokkeyaanengilum, adisthaana ashayangalil palathum varshangalkk sesham anukoolamaayi madangivarunnu, ennirunnaalum valare valutho vegathayeriyatho aaya alavukalil.
nadappaakkal.
oru saadhaarana echu. ezz. emm saahacharyathil, pathivayi upayogikkunna daatta soolid stettu disk (ezz. ezz. dii) polulla ooshmala sambharana upakaranathil sambharikkunnu. apoorvvamaayi axus cheyyappedunna daatta, kurachu samayathinu sesham mandagathiyilullathum uyarnna sheshiyullathumaaya colled storeju nirayilekku "migrate" cheythu. oru upayokthaav colled storeju nirayilulla daatta axus cheiyukayaanenkil, athu yaanthrikamaayi ooshmala sambharanathilekku thirike neekkum. sambharicha daattayude motham alavu ooshmala sambharana upakaranathinte sheshiyekkaal valare valuthayirikkaam ennathaanu nettam, ennaal apoorvvamaayi maathram upayogikkunna fayalukal colled storejil ullathinaal, mikka upayokthaakkalum saadhaaranayaayi maandyamonnum shradhikkilla.
ashayaparamaayi, echu. ezz. emm mikka computer sipasukalilum kaanapedunna kashek samaanamaan, avide valare uyarnna vegathayil pravartthikkunna cheria alavilulla vilayeriya stram memory pathivayi upayogikkunna daatta sambharikkaan upayogikkunnu, ennaal aduthide upayogicha ettavum kuranja daatta puthiya daatta looad cheyyendivarumbol mandagathiyilullathum ennaal valare valuthumaaya pradhana dram memmariyilekku purathaakkappedunnu.
praayogikamaayi, ibm tivoli storeju maanejar allengil oraakkilinte saam-qfs polulla samarppita softweyaraanu echsm saadhaaranayaayi nadathunnathu.
shreniyude uyarnna thalatthil ninnu fayalukal illaathaakkuka (udha.jii. kanthika disk) avaa thaazhnna thalatthilekku neekkiya sesham (udha.jii. opttikkal media) chilappol phayal grooming ennu vilikkunnu.
charithram.
daatta sambharanachelavu kuraykkunnathinum mandagathiyilulla maadyamangalil ninnu daatta veendedukkunnathu lalithamaakkunnathinum emvsukalkkaayi 1978 march 31 nuu ibm aadyamaayi sreniparamaaya sambharana maanejar (echsm, pinneedu dfhsm, oduvil dfsmsmssm) nadappilaakki. daatta evideyaanu sambharichirikkunnathenum athu engane thirike labhikkumennum upayokthaavin ariyendathilla; computer daatta yaanthrikamaayi veendedukkum. daatta thirike nalkia vegathayaayirunnu upayokthaavin oreyoru vyathyasam. echu. ezz. emminu yadhaarthathil oru aii. bii. emm 3850 maas storeju soukaryathile disk volyangalilekkum vertual volyangalilekkum maathrame daattaasettukal migrate cheyyaan kazhiyoo, ennaal pinneedulla release migration level 2 (emm. ell. 2)-naayi magnetic tape volyangale pinthunachu.
pinneedu, ibm echsm athinte ikes operating systethilekkum pinneedu solaris, echpi-yuks, linux thudangiya unix polulla mattu operating sistangalilekkum portt cheythu.
siroo oostreliyayude computing gaveshana vibhaagam 1960-kalil athinte daad (drums display) operating sisttathil athinte document mekhalayumaayi oru echu. ezz. emm nadappilaakki, rekhakalude pakarppukal 7-track tapilekku ezhuthukayum rekhakalilekku praveshikkumbol automatic veendedukkukayum cheythu.
deck vaaks/vms sisttangalilum alfa/vms sisttangalilum echsm nadappaakki. aadya nadappaakkal theeyathi vms sisttam nadappaakkal maanuvalukalil ninno vms uthppanna vivarana laghupathrikakalil ninno eluppathil nirnnayikkanam.
aduthide, seeriyal atta (saatta) discukalude vikasanam moonnu gattangalulla echu. ezz. emm.-nuu oru pradhana vipani srishtichu uyarnna prakadanamulla fiber chaanal storeju eriya network upakaranagalil ninnu fayalukal kurachu mandagathiyilullathum ennaal valare vilakuranjathumaaya saatta disk arekalilekku motham niravadhi terrabiteukalo athiladhikamo, thudarnnu oduvil saatta discukalil ninnu tapilekku.
kesukal upayogikkuka.
kuranja chelavil deerghakaalathekku sookshikkunna daattayude aazhathilulla archival sambharanathinayi echu. ezz. emm palappozhum upayogikkunnu. kuranja vaidyuthi upabhogathode valia alavilulla daatta kaaryakshamamaayi nirmmikkaan automated tape robottukalkku kazhiyum.
chila echu. ezz. emm. software uthppannangal daatta fayalukalude bhagangal athivega disk kasheyilum bakkiyullava tapilum sthaapikkaan upayokthaavine anuvadikkunnu. internettiloode viidiyoo stream cheiyunna aaplikkeshanukalil ithu upayogikkunnu-oru veediyoyude prarambha bhagam diskill ninnu udan vitharanam cheyyappedunnu, athesamayam oru robot backie phayal kandethukayum moundu cheyyukayum stream cheyyukayum cheiyunnu. atharamoru samvidaanam valia ulladakka vyavasthakalude disk chelavu valareyadhikam kuraykkunnu.
haard disk driveukalkkum flash memoric idayil adukkaan innu echu. ezz. emm software upayogikkunnu, flash memory magnetic discukalekkaal 30 madangu vegathayullathaanenkilum discukalkku ganyamaaya vila kuravaanu.
algorithangal.
sisttathile phayal kaimattangal niyanthrikkunna oru dattaa migration nayamaan echu. ezz. emminu pinnile pradhana ghadakam. kooduthal krithyamaayi paranjaal, oru phayal eathu nirayilaanu sookshikkendathennu nayam theerumaanikkunnu, angane muzhuvan sambharana samvidaanavum nannayi krameekarikkaanum abhyarthanakalodu ettavum kuranja prathikarana samayam labhikkanum kazhiyum. aduthide upayogichittillatha replacement (elru), sais-temperature replacement (stp), huristic threashold (steppu) muthalaaya niravadhi algorithangal eee prakriya thirichariyunnu. sameepa varshangalile gaveshanangalil, mesheen laining saankethikavidyakal upayogichu chila budhiparamaaya nayangalum varunnundu. 
tiring vii. cashing.
tairing solyooshanukalum kasheng uparithalathil orepole kaanappedumenkilum, adisthaana vyathyaasangal vegathayeriya sambharanam upayogikkunna reethiyilum pathivayi axus cheiyunna daatta kandethunnathinum thwarithappeduthunnathinum upayogikkunna algorithangalilumaanu.
pathivayi axus cheyyappedunna daatta blokkukalude oru pakarpp nirmmikkukayum pakarpp vegathayeriya sambharana upakaranathil sambharikkukayum mandagathiyilullathum uyarnna sheshiyullathumaaya backend sambharanathil yadhaartha daatta uravidathinu pakaram eee pakarpp upayogikkukayum cheythaanu cashing pravartthikkunnathu. oro thavanayum oru storeju reed sambhavikkumbozhum, eee daattayude oru pakarpp ithinakam kasheyil undo ennu cashing software nokkukayum labhyamaanengil aaa pakarpp upayogikkukayum cheiyunnu. allengil, vegatha kuranjathum uyarnna sheshiyullathumaaya sambharanathil ninnaan daatta vaayikkunnath.
maruvashathu, tiring valare vyathyasthamayi pravartthikkunnu. pathivayi axus cheiyunna daattayude oru "pakarpp" athivega sambharanathilekku mattunnathinupakaram, tharangaliludaneelam daatta "neekkunnu", udaaharanathinu, colled daatta kuranja chelavil, uyarnna sheshiyulla nearline sambharana upakaranangalilekku maattunnathiloode. adisthaana ashayam, mission-critical, uyarnna axus allengil "hoott" daatta uyarnna aii/oo prakadanam prayojanappeduthunnathi ssd polulla chelaveria maadhyamathil sambharikkunnu, athesamayam nearline allengil apoorvvamaayi axus cheiyunna allengil "colled" daatta echechdi, tapeukal polulla nearline storeju maadhyamathil sambharikkunnu. athinaal, "daatta thaapanila" allengil pravartthana nilakal praadhamika sambharana sreniye nirnnayikkunnu.

