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Sehlopha sa disk ke eng? Melemo ea batho ba amohelang liindasteri ke efe?

2024-09-20 16:56:34

Tafole ea likateng

1. Kenyelletso ea RAID
2. Li-RAID tse tloaelehileng li kenyelletsa 0, 1, 5, le 10. Ha re bue ka melemo ea bona e khethehileng.
3. Melemo ea RAID bakeng sa likhomphutha tsa indasteri ke efe?

1. Kenyelletso ea RAID

RAID e boetse e bitsoa Redundant Array of Independent Disks. Ke mokhoa oa polokelo o entsoeng ka li-disk tse ngata tse thata. U ka e nahana hape e le khokahano ea serial, e li kopanyang hammoho. E ntlafatsa ho fokotseha ha data le ho fumaneha ka ho aba data ho li-disk tse ngata tse thata.

RAID e ka fana ka mesebetsi e latelang:

1. Kopanya libaka tse peli kapa ho feta tsa hard disk ka kakaretso ho eketsa sekhahla sa ho bala ha hard disk.

2. Ntlafatsa ho mamella liphoso; ho mamella liphoso ho bolela hore haeba data e senyehile, o ka khutlisa data e senyehileng haeba o kenya RAID (ntle le RAID0)

Boemo bo tloaelehileng ba RAID:

RAID e arotsoe ka RAID0, RAID1, RAID2, RAID3, RAID4, RAID5, RAID6. Maemo ana a 7 ke RAID e tloaelehileng, e tsejoang hape ke indasteri. Boemo bo tloaelehileng ke tlhophiso ea mantlha ea RAID, ho sebelisoa mahlale a kang data striping kapa seipone. Maemo ana a tloaelehileng a RAID a ka kopanngoa, 'me RAID e kopantsoeng e tla ba le ts'ebetso e phahameng, tšireletso le botšepehi.

2. Li-RAID tse tloaelehileng li kenyelletsa 0, 1, 5, le 10. Ha re bue ka melemo ea bona e khethehileng.

1. RAID0 ke e bonolo e bolokang data ho li-disk tse ngata ka mela. E ke ke ea fana ka mofuta ofe kapa ofe oa leano la ho fokotsa chelete, ho bolelang hore haeba data ea rona e senyehile, RAID0 e ke ke ea tsosolosoa. Leha ho le joalo, e ka fana ka melemo e kang ts'ebetso e phahameng ea ho bala le ho ngola le tšebeliso e phahameng ea polokelo. RAID0 ka kakaretso e loketse software e 'ngoe e nang le litlhoko tse betere tsa ts'ebetso empa e se thata hakaalo mabapi le ts'ireletso ea data.

2. RAID1 e bitsoa seipone. Ka mantsoe a bonolo, li-hard disk tse peli li hlophisitsoe, empa u bona feela bokhoni ba disk e le 'ngoe e thata tsamaisong ea k'homphieutha. Hard disk e 'ngoe e sebelisetsoa ho sireletsa data. Ha ho sebetsa ka thata disk hloleha, seipone hard disk ya tla bala ya data le tlatsa lekhalo.

RAID1 e fapane feela le RAID0. Ke ho eketsa ts'ireletso ea data ka ho bonts'a data ea hard disk, e le ho fihlela melemo ea polokeho le boiketlo. E na le tekanyo e feletseng ea ho mamella liphoso, empa litšenyehelo li batla li phahame. RAID1 e sebelisoa bakeng sa lits'ebetso tse nang le ts'ebetso e phahameng ea ho bala le ho ngola le ts'ireletso ea data, joalo ka ts'ireletso ea data ea lifaele tsa boemo ba lekunutu.

3. RAID5 ke boemo bo tloaelehileng ka ho fetisisa. E ka ela hloko melemo ea ts'ebetso ea polokelo le ts'ireletso ea data. E ka utloisisoa e le ho sekisetsa pakeng tsa 0 le 1, hape ke tharollo e nang le ts'ebetso e ntle ka ho fetisisa. RAID5 ha e le hantle e ka fihlela litlhoko tse ngata tsa polokelo, 'me boholo ba litsi tsa data li sebelisa RAID5.

4. RAID10 e kopanya melemo ea RAID1 le RAID0. E qala ka ho sebelisa li-disk tse peli tse thata ho etsa setšoantšo sa seipone, ebe e se fetola ka hare. Lintlha tsa RAID1 li ngotsoe ho lihlopha tse peli tsa hard disk ka nako e le 'ngoe. Haeba hard disk e le 'ngoe e senyehile, hard disk e' ngoe e ntse e ka tsoela pele ho sebetsa, ho netefatsa ts'ebetso ha e ntse e netefatsa ts'ireletso ea data. Leha ho le joalo, sekhahla sa tšebeliso ea hard disk ea RAID10 ke 50% feela.

3.Melemo ea RAID bakeng sa likhomphutha tsa indasteri ke efe?

1. Eketsa sekhahla sa phetisetso: Ka ho sebelisa li-disk tse ngata ka nako e le 'ngoe, theknoloji ea RAID e ka eketsa haholo tekanyo ea phetisetso ea data ea sistimi ea polokelo. Ka mokhoa oa RAID, li-drive tse ngata tsa disk li ka fetisetsa data ka nako e le 'ngoe, e leng se lumellang hore ho be le lebelo le phahameng la ho bala le ho ngola.

2. Fana ka mamello ea phoso: Theknoloji ea RAID e fana ka mamello ea liphoso ka ho fokotsa lintlha le mekhoa ea ho lokisa liphoso ho netefatsa botšepehi le botšepehi ba data. Haeba disk e le 'ngoe e hloleha, sistimi ea RAID e ka sebelisa data ho li-disk tse ling ho khutlisa data e lahlehileng, kapa ho khutlisa ho tsoa ho bekapo.

3. Eketsa bokhoni ba polokelo: Ka theknoloji ea ho hlobolisa, RAID e ka qhalakanya le ho boloka data ho li-disk tse ngata, kahoo e eketsa matla a polokelo. Mohlala, kamora ho sebelisa li-hard drive tse peli tsa 1TB ho theha mokhoa oa RAID 0, matla a disk a tla lula a le 2TB.

4. Kakaretso:

Batho ba hlokang ho sebelisa theknoloji ea RAID hangata ke ba hlokang ho sebetsana le lintlha tse ngata, ho phehella ts'ebetso e phahameng le ho ts'epahala, 'me ba na le litlhoko tse phahameng tsa ts'ireletso ea data.

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