Tai Game Cau Ca Ve May Tinh

YqHEWkI.jpg' alt='Tai Game Cau Ca Ve May Tinh' title='Tai Game Cau Ca Ve May Tinh' />Tm hiu v RAID trn cng my tnh. Bn thc s bit g v RAID RAID c phi l backup khng Ni v bo v d liu th RAID c thc s l cng c bo v kho d liu HD ca bn mt cch hiu qu hay khng Bn hy cng ti th tm hiu v RAID ng di gc ca dn chi HD xem n nh th no nh. Khi ni n vic bo v d liu, ngi ta thng ngh n vic backup d liu v ri iu u tin m bn hay lin tng ngay n l RAID. Ti cng xin tha ngay t u backup khng phi l RAID. C chng chng dnh dng nhau mt cht trong mc ch bo v d liu m thi, cn ngoi ra th chng hon ton khc nhau. Trc tin ti xin ni mt cht v backup hai ch backup lun vit lin nhau l g. Nghi can c bit danh Pht b 50 nm t trong v bn m giao tha. Search the worlds information, including webpages, images, videos and more. Google has many special features to help you find exactly what youre looking for. T gi ngoi t Zing TV Google Dch Google map Kt qu x s My tnh Chuyn i tin t X s Google Drive Google Lch. Online Converter Pdf To Jpg With High Resolution. Tro choi nhan GIFT CODE KHUNG, download game mobile, tm game hay nht 2015 ti Cng Game ln nht Sc Vui. Ngy nay, my tnh v cc thit b in t u c s xut hin ca rt nhiu cng kt ni khc nhau, t USB truyn thng. TAE/ImageHelp/thinghe2.png' alt='Tai Game Cau Ca Ve May Tinh' title='Tai Game Cau Ca Ve May Tinh' />Backup l qu trnh sao chp v lu tr d liu my tnh n c th phc hi v bn gc ti thi im trc khi c s c mt mt d liu. Xin xem thm bi vit Ti bo v d liu ca mnh nh th no bit v mt d liu l nh th no. Tai Game Cau Ca Ve May Tinh' title='Tai Game Cau Ca Ve May Tinh' />Backup c 2 mc ch r rng Th nht, phc hi cc d liu b mt v bt c l do g. Th hai, phc hi d liu v trng thi ti mt thi im trc m mnh mun. Bi v, nh nh ngha ni, h thng sao lu cha t nht mt bn sao ca tt c cc d liu qu gi m n copy c nn yu cu v ni lu tr d liu l rt quan trng. Vic t chc ni c dung lng lu tr cng nh vic qun l sao lu sao cho hiu qu l c mt qu trnh phc tp. V chnh iu ny to ra s khc bit ng k so vi RAID. Offline v offsite. Offline Qu trnh backup c thc thi cng nh bn backup phi nm ngoi h thng m n ang sao lu d liu. Ni cch khc bnh dn cho d hiu. Tai Game Cau Ca Ve May Tinh' title='Tai Game Cau Ca Ve May Tinh' />D liu c sao lu nm mt my, cn backup phi chy trn my khc. Ch nu khng gi s nh thng PSU n cht th khng ni, nghe li bn b lm vin thuc lc khin n c git lm in tri st ri toi c m hdd va d liu va backup th ta ch c nc cn li. Offsite My chy backup phi nm ngoi khu vc cc my ch m n ang backup d liu nh khc lu, khc building v ni chung cng xa cng tt. Vic ny nhm trnh cc tnh hung thin tai ch ha chy n lm sp ton h thng mt lc. Nhn chung backup thng c p dng cho cc doanh nghip ln, nh bng, c quan nh nc nhng ni c nhng d liu nhiu v quan trng cn phi bo v vn bo mt d liu nm ngoi phm vi bi ny. Sau bi vit Cc bn gi nn cn thn khi lm quen qua mng do mt bn c gi v, c rt nhiu bn c comment cho bi. Rapchieuphim. com Trang thng tin tng hp v cc rp chiu phim trn ton quc c cp nht lin tc. LopNgoaiNgu. com is online English Study. English as a Second Language is a starting point for ESL learners who want to learn English through the website. Tranh t mu con vt l mn qu tuyt vi cho b tp t mi ngy. B tp t con nga, con mo, con voi, con ch, con hu, con c. Ti c lm vic vi mt vi ng nghip chung cng vic nhng khc b phn. H ph trch vic sao lu v lu tr d liu thng tin ca c quc gia. Mi ln lm backup xong vi cc d liu c bit quan trng nhng khng thay i thng xuyn, ti thy h c cc nhn vin v trang a xe bc thp ch cc tape d liu vo cc hm cha mt ni t ngi c php bit ct gi. Sau ny v l do an ninh, h xy hn mt trung tm backup v backup qua h thng network cp quang ni b fiber cables 1. Gb. D nhin backup cn rt nhiu iu l th khc nh cc mc backup, cc hnh thc backup, cc phng tin backup, cc vn v nn d liu, encryption,. Mt ln na n li nm ngoi phm vi bi vit nn ai c hng th, th s trao i thm sau. Ti c tnh ni hi k v backup chng ta c th hiu v sau ny d dng phn bit vi Raid. Tn km thit b lu tr. Tht vy, nu bn c 1. TB m mun backup n th phi c 1. TB na cha backup ci 1. TB gc. C nn lm cng ch tit kim cht nh, m cng nn nhiu th t l tht bi khi gii nn trong qu trnh restore cng cao, do cng hi hp, nguy him. Thi im backup b hn ch. Khi chng ta phc hi d liu th chnh l d liu ti thi im m chng ta lm backup m thi. Cn cc thay i d liu ngay sau khi backup c thc thi s khng c lu gi li ci ny quan trng v nn nh. Thi gian thc hin backup thng ko di so vi Raid thi gian thc. Phin phc, tn km thm khi lu tr cc backup. Tr v ti chnh l RAID. Ai cng bit RAID l tn vit tt ca Redundant Array of Inexpensive Disks hoc sau ny nghe k thut hn l Redundant Array of Independent Disks. Theo trang ti liu Wiki, Raid ln u tin c pht trin bi cc nh khoa hc my tnh thuc trng i hc California ti Berkeley vo nm 1. Mc ch ban u l h mun kt hp hai hoc nhiu a cng vt l ri sau to ra mt thit b lu tr o duy nht trn h thng my ch. Ni khc i, OS ca my ch lc ny ch c th thy mt duy nht c dng t 2 hay nhiu HDD c trong my. Qua qu trnh nghin cu v s dng, phng php mi ny c b sung lm cho n c thm 2 kh nng hay hn so vi mt HDD n c thng thng. Th nht Gii quyt c li hng hc ca mt sau ny l nhiu hn HDD trong RAID. Th hai tng hiu sut c chp trn RAID. Ni cch khc, RAID c ci tin nhm gip tng kh nng chu li v nng mc thng lng IO throughput cao hn so vi mt cng duy nht hoc mt nhm cc a cng c lp. Nh hi xa khi tp lm quen vi my tnh, nghe ti Raid ai cng xanh mt run tay v tnh cht lu tr phc tp v tng i c bit ca n. Ngy nay ti chc l phn nhiu trong chng ta nu cng tay mt cht th ch t cng mt vi ln set up mt ci Raid cho ring mnh, c bit l khi mc lu tr ngy cng c nng ln v dung lng v cn thit cho mt lot cc ng dng client server. C hai khi nim chnh m ta nn nh khi ni v Raid. Parity. Yu t c bn gip cho ta c th phc hi d liu trc tuyn tc lc my ch vn ang vn hnh trong trng hp mt a cng b h hng bng cch s dng mt hnh thc d phng c gi l parity. Raid. Khi ta mun tm c d liu t mt HDD b h no ti ni tm l v khi y tc truy xut d liu ca ton mng Raid s rt chm, chng ch c phc hi tc khi c thay bng mt cng mi, Raid s thc hin bng cch c cc d liu tt cn li v kim tra n bng cch i chiu li vi d liu pairty c lu tr trong mng. Ti ly v d n gin cc bn hnh dung Raid tnh parity nh th no. Gi s ta c 4 cng to nn Raid v ln lt cc cng ny cha cc d liu mang gi tr cng ln lt l 1, 2, 3, v 4. Khi Raid s gn gi tr ca parity l 1. Khi th 3 b toi th ta s c1 2 X 4 1. Raid s tnh. 7 X 1. X 1. 0 7 hay X 3. Cng v tnh ton di dng nh vy nn, nu cc bn, khi mt b to trong Raid 5 chng hn, ng l vn khng c mt d liu no b mt, nhng tc truy xut b chm hn i. Lu parity ch c s dng cc cp RAID 2, 3, 4, v 5. RAID 1 khng s dng parity bi v tt c d liu l hon ton sao chp nhn i. Cn RAID 0 ch c s dng tng hiu sut truy xut. V khng trang b chc nng d phng d liu nn n khng c parity. Mt cu hi gi m i vi cc bn n. Cc bn bao gi set up mt ci Raid 5 trn Windows hay Linux cha Nu c th c bao gi gp mt trng hp l 1 cng b h cha Kh nng thnh cng khi ph hi d liu tr li sau khi thay cng mi l bao nhiu phn trm Kh nng chu li hng hc cng. Ngy nay ngi ta vn cn ang tranh lun gay gt liu cng ngh RAID c tht s bo v d liu hay khngC ngn nga cc li h a khng. Gn y thi trn din n ny cng c vi kin bi bc thng thng Raid. V d nh Raid 5, nu chng may c t 2 cng r nhau cng v chu Dim vng th ton b d liu cht sch, khng cch g cu vn c.