This disk has been allocated to an existing volume group (rootvg).

这个磁盘已经被分配给了现有的一个卷组(rootvg)。

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The database needs a volume vol which is a clone of an existing volume and the WAS needs the IP address of the database to set up its JDBC connection.

数据库需要一个存储卷vol，它是现有存储卷的复制版，并且WAS需要数据库的IP地址来设置JDBC连接。

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Therefore, the easiest way to add space to your volume group is to create a new partition in the free space and add it as a new physical volume to your existing volume group.

因此向您的卷组添加空间最简单的方法是在剩余空间中创建一个新分区，并将其作为一个新物理卷添加到现有的卷组中。

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He sees growth both from buying out other dialysis centers and from expanding the patient volume at existing ones.

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