Initial skills documentation — 25 categories, all SKILL.md + references + scripts

2026-07-15 17:42:20 -04:00
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+# Failover Timing Update — July 8, 2026
+
+## Change
+Per Germaine's direction, the failover timing was updated:
+
+| Parameter | Before | After |
+|-----------|--------|-------|
+| Check interval | Every 10 min | Every 5 min |
+| Confirmation sleep | 60s × 4 cycles | 30s × 4 cycles |
+| Total confirmation window | ~3.5 min | ~2 min |
+| Max downtime before failover | ~13.5 min | ~7 min |
+
+## What was changed
+1. **Cron on app1-bu:** `*/10 * * * *` → `*/5 * * * *`
+2. **Watchdog script sleep:** `sleep 60` → `sleep 30` (line ~71)
+3. **Confirmation message:** Updated from "~3.5 minutes" to "~2.0 minutes" (lines ~68, ~96)
+
+## Rationale
+Faster detection = shorter failover. 7 min max vs 14 min max. User prioritized speed over cost.
+
+## DR Plan impact
+DR-PLAN.md and server-inventory.md should be updated to reflect:
+- Server is warm (always on), not cold (boot on demand)
+- Check interval is 5 min, not 10 min
+- Verification needs to check both the cron schedule AND the sleep value