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pvck
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===
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检测物理卷的LVM元数据的一致性
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## 补充说明
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**pvck命令** 用来检测物理卷的LVM元数据的一致性。默认情况下，物理卷中的前4个扇区保存着LVM卷标，可以使用`--labelsector`选项指定其他的位置（例如：数据恢复时）。
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### 语法
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```
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pvck(选项)(参数)
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```
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### 选项
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```
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-d：调试模式；
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-v：详细信息模式；
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--labelsector：指定LVE卷标所在扇区。
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```
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### 参数
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物理卷：指定要检查的物理卷对应的设备文件。
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### 实例
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使用pvck命令检查物理卷`/dev/sdb1`。在命令行中输入下面的命令：
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```
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pvck -v /dev/sdb1 #检查物理卷元数据
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Scanning /dev/sdb1
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Found label on /dev/sdb1, sector 1, type=LVM2 001
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Found text metadata area: offset=4096, size=192512
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Found LVM2 metadata record at offset=125952,
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size=70656, offset2=0 size2=0
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```
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<!-- Linux命令行搜索引擎：https://jaywcjlove.github.io/linux-command/ -->
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