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2025-04-04 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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Shulou(Shulou.com)06/01 Report--
Scheme selection
Scheme
Feasibility.
Advantages and disadvantages
Scheme 1: the active and standby source IP is used for business access,
New Nic is bound to IP for AG communication.
Feasible
WSFC will recognize Ethernet 1 when Ethernet 0 is temporarily disabled during IP handover, so Ethernet 1 needs to add static routes in advance to ensure normal communication between WSFC and AG.
The endpoint IP that restricts AG access interrupts communication if Ethernet 1 fails AG, which increases the risk of WSFC and AG anomalies, especially the immediate failure of AG.
Scheme 2: the active and standby source IP is used for AG communication,
The new Nic is bound to IP for business access.
Feasible
It can ensure the priority and stable use of Ethernet 0 by WSFC and AG, choose more communication links for high availability, and ensure the security and reliability of the cluster. Static routes need to be added for applications that access DB.
Scheme 3: the active and standby source IP is used for AG communication,
Add IP to the source network card for business access
Feasible
Since there is only one network card, high availability and business communicate from here, increasing the risk of failure.
Scheme 4: the active and standby source IP is used for business access,
Add IP to source network card for AG communication
Feasible
Since there is only one network card, high availability and business communicate from here, increasing the risk of failure.
In addition, WSFC recognizes the service access IP during the IP switching process, and the service IP and the highly available IP are not separated.
Based on the comparison of the above advantages and disadvantages, I think the advantages and disadvantages of the scheme are listed in descending order:
Option 2-> option 1-> option 3-> option 4
Plan two is the best choice.
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