Fais fab kev ua si yog dab tsi?

Video: Fais fab kev ua si yog dab tsi?

2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47

Failover yog ib tug backup ua hauj lwm hom nyob rau hauv uas lub luag hauj lwm ntawm ib tug system tivthaiv (xws li ib tug processor, server, network, los yog database, piv txwv li) yog assumed los ntawm lwm yam system Cheebtsam thaum lub tseem ceeb tivthaiv yuav tsis muaj los ntawm tsis ua hauj lwm los yog teem sij hawm down.

Tsuas yog li ntawd, qhov sib txawv ntawm kev ua tsis tiav thiab kev ua tsis tiav yog dab tsi?

Hauv cov lus yooj yooj yim - Cov ua tsis tiav kev ua haujlwm yog cov txheej txheem ntawm kev hloov ntau lawm mus rau qhov chaw thaub qab (feem ntau koj qhov chaw rov qab). A poob rov qab kev ua haujlwm yog cov txheej txheem rov qab mus rau nws qhov chaw qub tom qab muaj kev puas tsuaj lossis lub sijhawm tu ncua.

Qhov thib ob, vim li cas kev poob haujlwm tseem ceeb? Failover yog ib tseem ceeb txhaum kev ua haujlwm ntawm lub luag haujlwm tseem ceeb ntawm lub luag haujlwm uas vam khom mus tas li. Failover tau thiab pob tshab rau tus neeg siv redirects thov los ntawm qhov ua tsis tau tejyam los yog down system mus rau lub backup system uas mimics cov kev khiav hauj lwm ntawm lub hauv paus system.

Nyob rau hauv no hais txog, dab tsi yog qhov system tsis ua hauj lwm?

Hauv kev suav thiab lwm yam thev naus laus zis xws li kev sib txuas lus, ua tsis tiav yog hloov mus rau ib qho redundant lossis standby computer server, qhov system , kho vajtse tivthaiv lossis lub network raws li qhov tsis ua haujlwm lossis kev txiav tawm tsis zoo ntawm daim ntawv thov ua haujlwm yav dhau los, server, qhov system , hardware component, los yog network.

Yuav ua li cas koj ua ib tug failover?

Tsis siv neeg server ua tsis tiav daws ua tau tiv thaiv koj lub vev xaib los ntawm kev poob qis hauv qhov xwm txheej ntawm server tsis ua haujlwm.

Kuaj nws!

Kauj ruam 1: Tau txais lub server thib ob.
Kauj ruam 2: Synchronize thawj thiab thib ob servers.
Kauj Ruam 3: Qhia tawm cov xwm txheej server.
Kauj ruam 4: Teeb DNS Failover.
Kauj ruam 5: Kuaj nws!

Pom zoo:

Kuv yuav tsum nrhiav dab tsi thaum yuav lub khoos phis tawj fais fab?

Cov kauj ruam Txiav txim siab wattage koj xav tau. Siv lub tshuab xam zauv PSU lub vev xaib lossis software los pab txiav txim siab koj cov cai. Tshawb nrhiav cov connectors uas koj xav tau. Saib rau PSUs nrog cov qhab nia ua tau zoo. Txiav txim siab qhov robustness ntawm PSU. Tshawb xyuas tus naj npawb ntawm txoj kab tsheb ciav hlau. Tau txais modular PSU. Sib piv cov amperage ntawm txhua qhov voltage

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