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---
title: "Organizational Second Hit Syndrome"
type: concept
tags: [sre, reliability, incident-response, organizational-resilience]
last_updated: 2026-04-20
---
# Organizational Second Hit Syndrome
组织二次冲击综合征Organizational Second Hit Syndrome是一种类比神经学"二次冲击综合征Second Impact Syndrome, SIS"的故障现象。
## Definition
重大故障first hit发生后组织会进入一段脆弱期vulnerable period。在此期间如果发生第二次故障second hit往往会引发**强烈、广泛且有时具有破坏性的组织反应**。
## Background
这一概念由 [[Richard-Cook]] 博士首次提出2026年3月7日由 [[John-Allspaw]] 和 [[Richard-Cook]] 在 [[Adaptive-Capacity-Labs]] 发表。
## Key Characteristics
- **时间相关性**Second hit 发生在 first hit 之后的脆弱期内
- **影响范围**:反应强度大,影响面广,可能造成组织级损害
- **与神经学 SIS 的类比**:神经学 SIS 中,第一次脑部损伤后如果再次受伤,即使伤势轻微也可能导致灾难性后果;组织 SIS 同理
## Implications for SRE
1. **故障后的恢复期需要特别关注**:首次故障后不要放松警惕
2. **制定"二次故障"应对预案**:在复盘和恢复阶段保持警戒
3. **组织层面的韧性建设**:建立跨团队沟通机制,防止信息孤岛导致的二次事故扩大
4. **MTTRMean Time to Recovery优化**:不仅关注单次故障,还要关注故障间的组织状态
## Related Concepts
- [[Incident-Response]]
- [[BlamelessPostMortem]]
- [[Resilience]]
- [[Self-Healing]]
## Source
- SRE Weekly Issue #513 — [[sre-weekly-issue-513]]