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Dab tsi yog disk array? Dab tsi yog cov txiaj ntsig rau cov tswv lag luam?
Cov Lus Qhia
- 1. Taw qhia rau RAID
- 2. Common RAIDs suav nrog 0, 1, 5, thiab 10. Cia peb tham txog lawv qhov zoo
- 3. Dab tsi yog cov txiaj ntsig ntawm RAID rau cov tshuab computer?
1. Taw qhia rau RAID
RAID tseem hu ua Redundant Array ntawm Independent Disks. Nws yog ib qho chaw cia khoom tsim los ntawm ntau lub hard disks. Koj tuaj yeem xav txog nws li kev sib txuas serial, stringing lawv ua ke. Nws txhim kho cov ntaub ntawv redundancy thiab muaj los ntawm kev faib cov ntaub ntawv ntawm ntau lub hard disks.
2. Common RAIDs suav nrog 0, 1, 5, thiab 10. Cia peb tham txog lawv qhov zoo
1. RAID0 yog ib qho yooj yim uas khaws cov ntaub ntawv ntawm ntau lub disks los ntawm kab txaij. Nws tsis tuaj yeem muab txhua hom kev rov ua dua tshiab, uas txhais tau tias yog tias peb cov ntaub ntawv puas, RAID0 tsis tuaj yeem rov qab los. Txawm li cas los xij, nws tuaj yeem muab cov txiaj ntsig zoo xws li kev nyeem ntawv siab thiab sau ntawv thiab kev siv cia siab. RAID0 feem ntau haum rau qee cov software uas muaj kev ua tau zoo dua tab sis tsis nruj heev ntawm cov ntaub ntawv kev ruaj ntseg.
2. RAID1 hu ua mirroring. Cias muab, ob lub hard disks yog arrayed, tab sis koj tsuas pom lub peev xwm ntawm ib tug hard disk nyob rau hauv lub computer system. Lwm lub hard disk yog siv los tiv thaiv cov ntaub ntawv. Thaum lub hard disk ua hauj lwm tsis ua hauj lwm, lub mirrored hard disk yuav nyeem cov ntaub ntawv thiab sau qhov sib txawv.
RAID1 tsuas yog qhov sib txawv ntawm RAID0. Nws yog ua kom muaj kev ruaj ntseg ntawm cov ntaub ntawv los ntawm mirroring cov ntaub ntawv hard disk, thiaj li ua tiav qhov zoo ntawm kev nyab xeeb thiab yooj yim. Nws muaj qhov ua tiav qhov ua txhaum cai, tab sis tus nqi kuj yog siab heev. RAID1 yog siv rau cov ntawv thov uas muaj kev nyeem ntawv thiab sau ntawv ua tau zoo thiab kev tiv thaiv cov ntaub ntawv, xws li kev tiv thaiv cov ntaub ntawv ntawm cov ntaub ntawv tsis pub lwm tus paub.
3. RAID5 yog qib ntau tshaj. Nws tuaj yeem coj mus rau hauv tus account qhov zoo ntawm kev cia khoom thiab cov ntaub ntawv kev ruaj ntseg. Nws tuaj yeem nkag siab tias yog kev sib haum xeeb ntawm 0 thiab 1, thiab nws kuj yog qhov kev daws teeb meem nrog kev ua tau zoo tshaj plaws. RAID5 tuaj yeem ua tau raws li qhov xav tau ntawm ntau qhov chaw cia, thiab cov chaw khaws ntaub ntawv feem ntau siv RAID5.
4. RAID10 muab qhov zoo ntawm RAID1 thiab RAID0. Nws thawj zaug siv ob lub hard disks los tsim daim iav duab, thiab tom qab ntawd hloov nws los ntawm sab hauv. Cov ntaub ntawv ntawm RAID1 yog sau rau ob lub hard disk arrays tib lub sijhawm. Yog tias ib lub hard disk puas lawm, lwm lub hard disk tseem tuaj yeem ua haujlwm ntxiv, ua kom muaj kev ua tau zoo thaum ua kom cov ntaub ntawv ruaj ntseg. Txawm li cas los xij, hard disk siv tus nqi ntawm RAID10 tsuas yog 50%.
3.Dab tsi yog cov txiaj ntsig ntawm RAID rau cov tshuab computer?
1. Ua kom nce tus nqi hloov pauv: Los ntawm kev siv ntau lub disks tib lub sijhawm, RAID thev naus laus zis tuaj yeem ua kom cov ntaub ntawv hloov pauv ntawm qhov system khaws cia. Hauv RAID hom, ntau lub disk drives tuaj yeem hloov cov ntaub ntawv ib txhij, tso cai rau kev nyeem ntawv thiab sau nrawm dua.
2. Muab kev ua txhaum cai: RAID thev naus laus zis muab kev ua txhaum cai los ntawm cov ntaub ntawv rov ua dua thiab kho cov txheej txheem yuam kev kom ntseeg tau cov ntaub ntawv ncaj ncees thiab kev ntseeg tau. Yog tias ib lub disk tsis ua haujlwm, RAID system tuaj yeem siv cov ntaub ntawv ntawm lwm lub disk kom rov qab tau cov ntaub ntawv ploj, lossis rov qab los ntawm kev thaub qab.
3. Ua kom muaj peev xwm cia: Los ntawm kev siv tshuab striping, RAID tuaj yeem tawg thiab khaws cov ntaub ntawv ntawm ntau lub disks, yog li ua kom muaj peev xwm khaws cia. Piv txwv li, tom qab siv ob 1TB hard drives los tsim RAID 0 hom, lub peev xwm disk yuav ua rau 2TB.
Tej zaum koj yuav txaus siab rau SINSMART cov khoom nrov:
Dab tsi yog disk array? Dab tsi yog cov txiaj ntsig rau cov tswv lag luam?
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