Windows Server 2008 - Part 7 - Disk Management - Smith.N Studio

7/29/2019 Windows Server 2008 - Part 7 - Disk Management - Smith.N Studio

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Chuyn trang dnh cho k thut vin tin hcCHIA S - KINH NGHIM - HC T P - TH T HUT

Windows Server 2008 - Part 7 - Disk Management

Trong bi ny ti s gii thiu n cc bn cc thuc tnh ca a cng v cng c qun l a cng DiskManagement v cng mnh m v hu dng

1/ Basic DiskTrong bi ny chng ta s lm quen vi Disk Management. u tin chng ta cn mm mt s khi nim c bn vcc nh dng a ca Windows Trong mi trng Windows cng c nh ngha gm 2 dng:Basic Disk: a c bn, y l dng a mc nh khi ta ci WindowsDynamic Disk: a ng, y l dng a sau khi ta nng cp Basic ln thnh Dynamic, li ch ca vic nng cpln ng ny chnh l khai thc cc tnh nng nh RAID-0, RAID-1, RAID-5 m phn sau s cp n

Cc tnh nng ny ch c a Dynamic mi lm c, tuy nhin khi nng cp t Basic ln Dynamic d liu trn ccphn vng c bo ton, trong khi nu h t Dynamic xung Basic th d liu hon ton b xo schDo tu theo nhu cu s dng m bn chn cho mnh cch Convert a thch hp. chy Disk Management bn nhp phi vo My Computer chn Manage

Trong ca s Computer Manager click chn Disk ManagementTrong v d ny my ti c gn sn 3 cng c lp vi nhau th 1 (Disk 0) 64Gb: ti chia lm 1 phn phn vng duy nht lm phn vng cha h thng (Windows Server2008)

th 2 (Disk 1) ,3 (Disk 2): cng l 16Gb y l 2 a mi toanh (va mua v) cha nh dng g c=> Cho nn trong My Computer chng ta hin gi ch thy 1 a System (C) m thi

V 2 a Disk 1,2 bn va gn vo nn Windows Server 2008 yu cu bn khai bo n. Trong bng InitializeDisk bn chn Disk 1,2 sau chn OK

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Vi a Basic chng ta c cc nh dng sau:Primary partition: Vi mi cng chung ta ch c php chia ti a l 4 Primary m thi phn cn trng s khngc s dng. Nn trn thc t cc bn khng nn chia qu 4 Primary, hoc 3 Primary u dung lng tu chn viPrimary th 4 phi chn htExtended partition: Vi Extended chng ta c th chia nhiu phn vng hn, y chnh l phn m rng cho PrimaryUnallocated: Phn vng cha c nh dng

to mt phn vng mi bn nhp phi vo phn Unallocated chn New Simple Volume...

Trong v d ny ti s to mt Primary Partition cho Disk 1 trc

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Vi dung lng l 10000Mb tng ng vi 10Gb

Ti t tn cho n l New Volume v nh dng n dng NTFS

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Tng t ti s to mt Primary Partition cho Disk 2

2/ Dynamic Disk

Trong phn trn ti va gii thiu cho bn cch phn vng trn a Basic vi dng a ny d liu m chng talu trn cng thc s khng an ton.Bn hy th tng tng xem mt ngy p tri no cng bn khng may b hng hoc cc d liu cc k quantrng trn phn vng Data2 b nhim virus trm trng dn n cc file ny khng th c c, tht l mt chuynkinh khng phi khng.

Chnh v th m bo d liu c an ton hn ngi khuyn co bn nn s dng cc cng ngh RAID, cc cngngh ny ang c s dng rng ri hin nay ni nm na rng chng gip ta d phng cc d liu an ton hn bngcch to mt bn sao th 2 trn a cng m chi tit th no trong phn ny ta s cp n, RAID bao gm 2 dng:

RAID Hardware: ngi ta dng phn cng ch nh vic sao lu d liu trn cng, phn ny trong bi ti skhng cp n, nu mun tm hiu thm bn c th tham kho cc ti liu ca k thut vin lin quan nMainboard, Card Raid... s r

RAID Software: ngoi vic dng phn cng lm cng vic trn Windows tch hp cho ta cng c DiskManagement lm vic ny tuy nhin lm c vic ny trc tin bn phi nng cp cc a Basic ln thnhDynamic

cho thong mn hnh ti tm tt nt Show/Hide Soncole Tree iBn ch rng a 1 ca bng ang l Basic cn th 2 & 3 ang l Unknown ngha l chng cha c nh dngg c

u tin chng ta cn nng cp ln lt tng a ln Dynamic bng cch nhp phi vo a chn Convert to

Dynamic Disk...

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Trong ny ti ch nng cp 2 a Disk 1 &Disk 2. Sau nhp chn Convert tin hnh nng cp

Bn cng c th h tDynamic xung tr li trng thi Basic bng cch nhp phi vo a Dynamic chn Convertto Basic Disk. Tuy nhin bn phi ch rng khi Convert tr li Basic ton b d liu trn cng s mt sch

By gi t Disk 1 bn to mt Primary Partition

Vi dung lng l 2000Mb

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t tn cho n l Data1

Vi Basic chng ta c 2 tu chn Primary & Extended nh ni trn trong khi vi Dynamic chng ta c 5 tuchn:

Simple: y l dng c lp mi d liu nm trn nh dng ny nu xy ra ri ro s khng phc hi c, nh dngny tng ng vi nh dng Primary Basic

Spanned: nh dng ny s ni 2 hay nhiu phn vng ca 2 hay nhiu cng li vi nhau thnh mt phn vng duynht vi dung lng tng ng gp khc nhau, v c tng dung lng bng cc phn vng cng li c ngdng nhm to thnh mt a khng l lu tr rt nhiu. Tuy nhin nu xy ra ri ro d liu s khng phc hic

Striped: nh dng ny s ni 2 hay nhiu phn vng ca 2 hay nhiu cng li vi nhau thnh mt phn vng duynht vi dung lng tng ng gp bng nhau, v c tng dung lng bng cc phn vng cng li c ng

dng nhm to thnh mt a khng l lu tr rt nhiu v tc truy xut cc nhanh c ng dng nhiu trongphng Internet. Tuy nhin nu xy ra ri ro d liu s khng phc hi c

Mirrored: nh dng ny s ni 2 phn vng ca 2 cng li vi nhau thnh mt phn vng duy nht vi dung lngtng ng gp bng nhau, v c dung lng bng phn na dung lng cc phn vng cng li m thi. Tuy nhind liu c an ton cao v thc cht d liu lun c to thnh 2 bn ging ht nhau lu trn 2 cng, nhng bli ta phi mt kh nhiu chi ph cho vn ny.

RAID-5: nh dng ny s ni 3 phn vng ca 3 cng li vi nhau thnh mt phn vng duy nht vi dung lngtng ng gp bng nhau, v c dung lng bng 2/3 dung lng cc phn vng cng li. Tuy nhin d liu can ton kh tt v thc cht d liu lun c to thnh 1 bn d phng phc hi khi c s c xy ra

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Tip ti to mt Spanned Volume vi tn l Data2

Trong Disk 1 gp 100Mb v Disk 2 gp 200Mb

Trong hnh chng ta thy phn Data1 l phn c lp khng lin kt vi bt k cng no khcTrong khi phn Data2 c phn tn ti 2 ni l Disk1 chim 100Mb &Disk2 chim 200Mb, tuy nhintrong My computer ch hin th cho ta thy mt Data2 (F:) duy nht vi dung lng l 300Mb m thi=> Chng ta khai thc c 300Mb nhng mt trong hai cng b hng th d liu hon ton mt trng

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By gi ti Disk 0 ti nhp phi chn Shrink Volume ct Partition ny ra thnh 2 phn

Ti ly 2000Mb lm Partition th 2

Mn hnh sau khi hon tt

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Tip theo ti to mt Mirrored Volume vi tn l Data4

Trong Disk 1 gp 100Mb v Disk 2 gp 100Mb

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Trong phn Data4 c phn tn ti 2 ni l cng 1 chim 100Mb & cng 2 chim 100Mb, tuy nhin trongMy computer ch hin th cho ta thy mt Data4(H:) duy nht vi dung lng l 100Mb m thi=> Chng ta ch khai thc c 100Mb m thi, vi tu chn ny khi ghi chp d liu ln a cng chng s ghi chpcn thn vi cng mt thng tin ln c 2 cng nn c tc chm hn nhng mt trong 2 cng b hng th dliu kia vn cnBy gi bn 2 ct:Fault Tolerance: kh nng chu liOverhead: Dung lng b mt i

Trong cc dng ta lm trc th ch c mi dng Mirrored l c kh nng chu li m thi, tuy nhin n s mt i50% dung lng

Dng Morrored dng d phng cc d liu quan trng, vi dng ny ta cn c th to d phng cho mt a ctrc no m khng cn phi khi to t 2 phn vng trng nh cc dng khc. thc hin ta nhp phi vo mtphn vng no mun to bn d phng chn Add Mirror..., trong v d ny l (E:)

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Ca s Add Mirror s yu cu bn ch nh to d phng trong v d ny ti chn s 3 l Disk 2

Windows s t ng to mt phn vng mi trong a th 3 v t ng Copy ton b d liu trong phn vng ca th 1 sang. Cng on ny phi mt cht t thi gian v bn phi ch cho n hon tt.

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Tip theo ti to mt RAID-5 Volume vi tn l Data5

Trong cc cng u ng gp l 100Mb

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Trong phn Data5 c phn tn ti 3 ni l cng 1 chim 100Mb & cng 2 chim 100Mb & cng 3 chim

100Mb, tuy nhin trong My computer ch hin th cho ta thy mt Data5(I:) duy nht vi dung lng l 200Mbm thi

=> Chng ta ch khai thc c 200Mb m thi, vi tu chn ny khi ghi chp d liu ln a cng chng s ghi chpln 2 cng cng mt lc & mt dng lm file nh phc hi nu mt trong 2 trn b li nn c tc khnhanh nhng mt trong 2 cng b hng th d liu vn cnBy gi bn 2 ct:Fault Tolerance: kh nng chu liOverhead: Dung lng b mt iDng RAID-5 c kh nng chu li tt, tuy nhin n s mt i 33% dung lng

xem kh nng chu li ca cc nh dng trn by gi ta ln lt to cc d liu trn cc cng nh trong hnh

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Sau ti tin hnh g b cng th 3 (Disk 2) ra khi my m thay vo l mt cng th 4 mi hon ton vcha c nh dng g. Khi ng Windows vo li Disk Management ta thy: a th 4 c Windows nhn dng l Disk 2 trong khi th 3 ca ta l Missing (v d ny tngng vi vic th 3 b h hon ton)Nhn xt:Phn vng Data1 ta nh dng theo Simple d liu khng b nh hng g do th 1 khng hng, nhng nu th 1hng ng ngha phn ny mt trng.Phn vng Data2 ta nh dng theo Spanned nn khi 1 trong cc b hng d liu trn vng ny cng khng cn,trong v d ny do ta ch b hng th 3 nn phn vng Data2 ta nh dng theo Spanned vn khng b nh hngg, nhng nu th 2 hng th d liu trn vng ny cng hon ton mt trng.Phn vng Data3 ta nh dng theo Striped nn khi 1 trong cc b hng d liu trn vng ny cng khng cn,trong ny th 3 hng nn d liu trn vng ny ng nhin b mt sch.Phn vng Data4, (E:) ta nh dng theo Mirror nn khi 1 trong cc b hng d liu trn vng cn li vn an ton.Nhng ta khng ch quan m phi tin hnh ngay vic Add Mirror cho phn vng ny.Phn vng Data5 ta nh dng theo RAID-5 nn khi 1 trong cc b hng d liu trn vng cn li vn an ton.Nhng ta khng ch quan m phi tin hnh ngay vic Repair Volume cho phn vng ny.

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Vo My Computer s thy ch cn Data1, Data4 v Data5 hot ng m thi

By gi ta tin hnh gn mt cng mi vo thay th cho Disk 2 b hng

Sau khi gn th 4 hon ton mi ny vo ta phi tin hnh ngay cc thao tc phc hi d liu (thay th cho th 3 hng) ta lm nh sau:

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Phn Data2, Data3 trn c bn l khng cu c hoc khng c c s cu nn ta khng cp n.u tin ta phi Initialize Disk cng th 4 (Disk 2) v nng cp n ln thnh Dynamic

Sau ta phi xo phn Mirror b hng ca E i bng cch nhp phi vo vng E ca a th 3 (Missing) chnRemove Mirror....

C s Remove Mirror s hi bn b phn no trong th 2 (Disk 1) & th 3 (Missing) nu y bn chn l Disk1 th chng nhng khng cu c d liu tE m tri li lm mt hon ton vng ny, nn ta chn Missing

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Lc ny Windows s xo mt phn E Missing v bin vng E th 2 (Disk 1) v thnh Simple, cng vic nyca Windows ng ngha vi vic cho bn lm li cng on Add Mirror cho E nh hng dn trn

Vi phn Data5 ta nhp phi vo Data5 cng th 3 (Missing) chn Repair Volume

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Ca s Repair RAID-5 Volume s yu cu bn ch nh to d phng trong v d ny ti chn s 4 l Disk 2

Mn hnh sau khi Repair hon tt

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By gi ta tin hnh Add Mirror cho Data1 thc hin ta nhp phi vo E chn Add Mirror...

Ca s Add Mirror s yu cu bn ch nh to d phng trong v d ny ti chn s 4 l Disk 2 v ngi ch chon Resynching

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OK mnh va trnh by xong phn Disk Management trong 70-640, 70-643 ca MCSA.

Cng ty TNHH u t pht trin tin hc GC ComChuyn trang k thut my vi tnh cho k thut vin tin hc

in thoi: (073) - 3.511.373 - 6.274.294

Website: http://www.gccom.net

Smith Nguyen St
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Windows Server 2008 - Part 7 - Disk Management - Smith.N Studio

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