53 lines
940 B
Markdown
53 lines
940 B
Markdown
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- **确认系统识别到了新容量**
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```bash
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lsblk
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```
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> 查看磁盘（如 `/dev/vda`）已扩到目标大小（例如 200G），但分区 `/dev/vda1` 仍保持旧大小（例如 100G）。
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>
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- **扩展分区**
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- 若未安装 `growpart`，先安装：
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```bash
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# CentOS/Alma/Rocky
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yum install -y cloud-utils-growpart
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# Ubuntu/Debian
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apt-get update && apt-get install -y cloud-guest-utils
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```
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- 执行扩分区：
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```bash
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growpart /dev/vda 1
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```
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> 将 `/dev/vda1` 从旧大小扩展到整块磁盘。
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>
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- **确认根分区文件系统类型**
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```bash
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df -T /
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```
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记住 `Type` 列（`ext4` 或 `xfs`）。
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- **扩展文件系统**
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- **如果是 ext4**：
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```bash
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resize2fs /dev/vda1
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```
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- **如果是 XFS**：
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```bash
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xfs_growfs /
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```
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> 在线扩容，无需卸载或重启。
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>
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- **验证扩容结果**
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```bash
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df -h
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```
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