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If you are using VMware Workstation, when you set up a new machine, the default is multiple disks and you should be able to add another disk. <br />
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I use one disk and make it big enough (but not pre-allocated) for any future needs.
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We have a windows vm with multiple disks (vmdk). &nbsp;Noticed that each vmdk are named as _1.vmdk,_2.vmdk etc in the datastore. We have about eight disks.<br />
One day we may have to increase the size of a disk, but we do not know which vmdk disk corresponding to windows disk/drive.<br />
How do we identify the vmdk belongs to windows drive?
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We have a windows vm with multiple disks (vmdk).  Noticed that each vmdk are named as _1.vmdk,_2.vmdk etc in the datastore. We have about eight disks.
One day we may have to increase the size of a disk, but we do not know which vmdk disk corresponding to windows disk/drive.
How do we identify the vmdk belongs to windows drive?

Windows VM with Multiple vmdks.

VMware, a software company founded in 1998,  was one of the first commercially successful companies to offer x86 virtualization. The storage company EMC purchased VMware in 1994. Dell Technologies acquired EMC in 2016. VMware’s parent company is now Dell Technologies.

VMware has many software products that run on desktops, Microsoft Windows, Linux, and macOS, which allows the virtualizing of the x86 architecture.  Its enterprise software hypervisor for servers, VMware vSphere Hypervisor (ESXi), is a bare-metal hypervisor that runs directly on the server hardware and does not require an additional underlying operating system.