53 lines
1.4 KiB
Markdown
53 lines
1.4 KiB
Markdown
---
|
||
title: "EBS Snapshot Archive"
|
||
type: concept
|
||
tags: [AWS, EBS, Snapshot, Storage, Cost-Optimization]
|
||
sources: []
|
||
last_updated: 2026-04-19
|
||
---
|
||
|
||
## Definition
|
||
EBS Snapshot Archive（EBS 快照归档层）是 AWS EBS 快照的长期存储层，成本比标准快照层低 75%，适合很少需要访问的快照，但恢复时间更长且需保留 90 天。
|
||
|
||
## Key Features
|
||
- **成本节省**：比标准快照层低约 75%
|
||
- **长期保留**：最短保留期限 90 天
|
||
- **恢复时间**：需要 24-72 小时恢复可用
|
||
- **自动化管理**：通过 Data Lifecycle Manager (DLM) 或 AWS Backup 管理
|
||
|
||
## Pricing Comparison
|
||
| 存储类型 | 价格（每 GB/月） |
|
||
|---------|----------------|
|
||
| 标准快照 | $0.05 |
|
||
| 归档快照 | $0.0125 |
|
||
|
||
## Use Cases
|
||
- 长期合规性快照备份
|
||
- 灾难恢复基础镜像
|
||
- 软件发布版本镜像
|
||
- 历史数据存档
|
||
|
||
## Implementation
|
||
通过 DLM 创建生命周期策略：
|
||
```json
|
||
{
|
||
"LifecyclePolicy": {
|
||
"TargetTags": ["Backup"],
|
||
"PolicyRules": [
|
||
{
|
||
"RuleName": "Archive",
|
||
"CopyTags": true,
|
||
"TransitionToArchive": {
|
||
"DaysAfterCreation": 90
|
||
},
|
||
"RetainUntilExpiration": false
|
||
}
|
||
]
|
||
}
|
||
}
|
||
```
|
||
|
||
## Connections
|
||
- [[EBS-GP3]] ← uses ← [[EBS]]
|
||
- [[Lifecycle-Policy]] → implements → [[EBS-Snapshot-Archive]]
|
||
- [[AWS]] ← provides ← [[EBS-Snapshot-Archive]] |