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OpenStack :采用 NFS 驱动程序的 Cinder 卷是否支持空间回收?

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openstack
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nfs
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适用于

OpenStack Cinder 卷驱动程序

解答

注: Cinder 卷与 FlexVol 提供的 NFS 共享中的文件相对应。在 Cinder 卷中写入实际数据时会占用空间。

ONTAP 无法读取 Cinder 卷中的文件系统来判断块是否正在使用,因此删除 Cinder 卷中的文件不会释放空间。只有在删除 Cinder 卷时, NFS 共享中的相应文件才会被删除,并且空间将被回收。

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