Dab tsi yog pawg hauv SQL Server?
Dab tsi yog pawg hauv SQL Server?

Video: Dab tsi yog pawg hauv SQL Server?

Video: Dab tsi yog pawg hauv SQL Server?
Video: Tsis Muaj Peev Xwm Yuav Ua Li Cas 2024, Kaum ib hlis
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Dab tsi yog Ua pawg ? Ib Microsoft SQL Server Cluster tsis muaj dab tsi ntau tshaj li kev sau ntawm ob lossis ntau lub cev servers nrog zoo tib yam nkag mus rau kev sib koom ua ke uas muab cov khoom siv disk xav tau los khaws cov ntaub ntawv database. Cov no servers hu ua "nodes".

Ib yam li ntawd, koj tuaj yeem nug, dab tsi yog pawg hauv database?

Database Clustering yog cov txheej txheem ntawm kev sib txuas ntau dua ib lub servers lossis piv txwv txuas ib leeg database . Qee lub sij hawm ib tus neeg rau zaub mov yuav tsis tsim nyog los tswj tus nqi ntawm cov ntaub ntawv lossis tus naj npawb ntawm kev thov, uas yog thaum Cov Ntaub Ntawv Pawg yog xav tau.

Qhov thib ob, Cluster Server yog dab tsi thiab nws ua haujlwm li cas? Failover Ua pawg hauv Windows Server Ib qho kev poob qis pawg yog ib pawg ntawm cov computers ywj siab uas ua haujlwm ua ke kom muaj thiab scalability ntawm pawg luag hauj lwm (yav tas los hu ua pawg kev siv thiab kev pabcuam). Cov pawg servers (hu ua nodes) txuas nrog lub cev cables thiab los ntawm software.

Yog li ntawd, dab tsi yog qhov ua tsis tiav pawg hauv SQL Server?

Ib Windows Server Failover Cluster (WSFC) yog ib pawg neeg ywj pheej servers uas ua hauj lwm ua ke los ua kom muaj cov ntawv thov thiab cov kev pabcuam. SQL Server 2019 (15. x) siv qhov zoo ntawm WSFC cov kev pabcuam thiab kev muaj peev xwm los txhawb nqa Ib txwm Nyob rau pab pawg thiab SQL Server Failover Cluster Piv txwv.

Dab tsi yog SQL Server network lub npe hauv pawg?

Cov SQL Server Network Name yog siv los txheeb xyuas qhov ua tsis tiav pawg ntawm network . Qhov no tau hu ua virtual SQL Server npe nyob rau hauv yav dhau los versions ntawm SQL Server ua tsis tiav pawg . Thaum koj txuas rau SQL Server siv qhov no npe , qhov no yuav txuas mus rau qhov tam sim no online node.

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