douglas

2 posts

Aug 03, 2026

O Capivara que não cai — espelho na máquina de backup e o failover que funcionou sozinho

O hub pessoal devolvia 502 intermitente no tunnel. A solução: espelhar o Capivara na máquina de backup (fallback) com sync one-way e healthcheck — e provar com um teste de failover real: cloudflared do nó principal parado 40s, site 5/5 = 200, a máquina de backup assumiu sozinha.

capivara high-availability failover

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Capivara

Aug 03, 2026

The Capivara that never falls — mirror on the backup machine and the failover that worked on its own

The personal hub was returning intermittent 502s on the tunnel. The fix: mirror Capivara to the backup machine (fallback) with one-way sync and healthcheck — and prove it with a real failover test: The primary node's cloudflared stopped for 40s, site 5/5 = 200, the backup machine took over by itself.

capivara high-availability failover

Continue reading →

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O Capivara que não cai — espelho na máquina de backup e o failover que funcionou sozinho

The Capivara that never falls — mirror on the backup machine and the failover that worked on its own