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Yintoni uluhlu lwediski? Ziziphi iingenelo kubamkeli bemizi-mveliso?

2024-09-20 16:56:34

Isiqulatho

1. Intshayelelo ye-RAID
2. Ii-RAID eziqhelekileyo ziquka u-0, 1, 5, kunye no-10. Masithethe ngeenzuzo zabo ezithile
3. Ziziphi iingenelo ze-RAID kwiikhompyuter zamashishini?

1. Intshayelelo ye-RAID

I-RAID ikwabizwa ngokuba yiRedundant Array yeeDiski eziZimeleyo. Yinkqubo yokugcina eyenziwe ngeediski ezininzi ezinzima. Unokucinga ngayo njengonxibelelwano lwe-serial, ukudibanisa kunye. Iphucula ukungafuneki kwedatha kunye nokufumaneka ngokusabalalisa idatha kwiidiski ezininzi ezinzima.

I-RAID inokubonelela ngale misebenzi ilandelayo:

1. Dibanisa izithuba ezimbini okanye ngaphezulu kwidisk enzima iyonke ukunyusa izinga lokufunda kwihard disk.

2. Ukuphucula ukunyamezela iimpazamo; ukunyamezela impazamo kuthetha ukuba ukuba idatha yonakele, unokubuyisela idatha eyonakalisiweyo ukuba ufaka i-RAID (ngaphandle kwe-RAID0)

Inqanaba le-RAID eliqhelekileyo:

I-RAID yahlulwe ibe yi-RAID0, i-RAID1, i-RAID2, i-RAID3, i-RAID4, i-RAID5, i-RAID6. La manqanaba e-7 yi-RAID eqhelekileyo, eyaziwayo kwakhona yi-shishini. Umgangatho osemgangathweni lolona luhlu lusisiseko lwe-RAID, kusetyenziswa ubuchwepheshe obufana noluhlu lwedatha okanye isibuko. Le migangatho yemigangatho ye-RAID inokudibaniswa, kwaye i-RAID edibeneyo iya kuba nokusebenza okuphezulu, ukhuseleko kunye nokuthembeka.

2. Ii-RAID eziqhelekileyo ziquka u-0, 1, 5, kunye no-10. Masithethe ngeenzuzo zabo ezithile

1. I-RAID0 yinto elula egcina idatha kwiidiski ezininzi ngemigca. Ayinakukwazi ukubonelela naluphi na uhlobo lwesicwangciso sokuphindaphinda, oku kuthetha ukuba ukuba idatha yethu yonakalisiwe, i-RAID0 ayikwazi ukubuyiselwa. Nangona kunjalo, inokubonelela ngeenzuzo ezifana nokusebenza okuphezulu kokufunda nokubhala kunye nokusetyenziswa okuphezulu kokugcina. I-RAID0 ifanelekile ngokubanzi kwisoftware ethile eneemfuno zokusebenza ezingcono kodwa ayingqongqo kangako ngokokhuseleko lwedatha.

2. I-RAID1 ibizwa ngokuba yi-mirroring. Ukubeka nje, iidiski ezinzima ezimbini zicwangcisiwe, kodwa ubona kuphela umthamo wediski enye kwinkqubo yekhompyuter. Enye i-hard disk isetyenziselwa ukhuseleko lwedatha. Xa i-hard disk esebenzayo ingaphumeleli, i-mirrored hard disk iya kufunda idatha kwaye igcwalise isithuba.

I-RAID1 ichasene ne-RAID0. Kukonyusa ukhuseleko lwedatha ngokujonga isipili sedatha yediski enzima, ukuze kufezekiswe iingenelo zokhuseleko kunye nokulula. Inomlinganiselo opheleleyo wokunyamezela iimpazamo, kodwa ixabiso liphezulu. I-RAID1 isetyenziselwa izicelo ezinolandelelwano oluphezulu lokufunda nokubhala ukusebenza kunye nokukhuselwa kwedatha, njengokukhuselwa kwedatha yeefayile zomgangatho wobumfihlo.

3. I-RAID5 lelona nqanaba liqhelekileyo. Inokuqwalasela iingenelo zokusebenza kokugcinwa kunye nokhuseleko lwedatha. Inokuqondwa njenge-compromise phakathi kwe-0 kunye ne-1, kwaye ikwasisisombululo esinentsebenzo engcono kakhulu. I-RAID5 inokuhlangabezana neemfuno ezininzi zokugcina, kwaye amaninzi amaziko edatha asebenzisa i-RAID5.

4. I-RAID10 idibanisa inzuzo ye-RAID1 kunye ne-RAID0. Iqala isebenzisa iidiski ezimbini ezinzima ukwenza umfanekiso wesibuko, kwaye emva koko iguqule ukusuka ngaphakathi. Idatha ye-RAID1 ibhalwe kwiidiski ezimbini zediski ngexesha elinye. Ukuba enye idisk enzima yonakele, enye idiski ingakwazi ukuqhubeka nokusebenza, iqinisekisa ukusebenza ngelixa iqinisekisa ukhuseleko lwedatha. Nangona kunjalo, izinga lokusetyenziswa kwe-hard disk ye-RAID10 yi-50% kuphela.

3.Ziziphi iingenelo ze-RAID kwiikhompyuter zamashishini?

1. Ukwandisa izinga lokudluliselwa: Ngokusebenzisa iidiski ezininzi ngexesha elifanayo, iteknoloji ye-RAID inokunyusa kakhulu izinga lokudlulisa idatha yenkqubo yokugcina. Kwimo ye-RAID, iidiski ezininzi zokuqhuba zinokudlulisela idatha ngaxeshanye, zivumela isantya esiphezulu sokufunda nokubhala.

2. Ukubonelela ngokunyamezela impazamo: iteknoloji ye-RAID inikezela ukunyamezela impazamo ngokusebenzisa i-data redundancy kunye ne-algorithms yokulungisa iimpazamo ukuqinisekisa ukunyaniseka kwedatha kunye nokuthembeka. Ukuba idiski enye iyasilela, inkqubo yeRAID ingasebenzisa idatha kwezinye iidiski ukubuyisela idatha elahlekileyo, okanye ukubuyisela kwi-backup.

3. Ukwandisa amandla okugcina: Ngokusebenzisa iteknoloji yokuqhawula, i-RAID inokusasaza kwaye igcine idatha kwiidiski ezininzi, ngaloo ndlela ikhulise amandla okugcina. Ngokomzekelo, emva kokusebenzisa ii-hard drives ezimbini ze-1TB ukwenza imo ye-RAID 0, umthamo wedisk uya kuhlala kwi-2TB.

4. Isishwankathelo:

Abantu abafuna ukusebenzisa itekhnoloji ye-RAID ngokuqhelekileyo abo bafuna ukucubungula inani elikhulu ledatha, baphishekele ukusebenza okuphezulu kunye nokuthembeka, kwaye baneemfuno eziphezulu zokhuseleko lwedatha.

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