红帽全球峰会This documentation is for a release that is no longer maintained
See documentation for the latest supported version 3 or the latest supported version 4.7.15.3.3. 关于块持久性卷
块持久性卷（PV）是一个受原始块设备支持的 PV。这些卷没有文件系统，可以通过降低开销来为虚拟机提供性能优势。
原始块卷可以通过在 PV 和持久性卷声明（PVC）规格中指定 volumeMode: Block 来置备。
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