Re: How to hot plugin a new vhost-user-blk-pci device to running VM?

On 5/21/21 5:28 PM, 梁朝军 wrote: > Thanks all of you for your help. > One more question regarding vhost-user-blk-pci type device, how to identify a vhost-blk disk in QEUM VM ? for example, disk name looks like vda,vdb,..., but that some application in VM want to detect that a certain entry is really the device it is waiting for. Specific for windows , they always show as disk 0, 1, 2….etc > Is there any way to identify those disk with each other in VM? In general no. Usually disks will be enumerated sequentially - thus the first disk on a sata/scsi/usb/.. bus will be sda, the second will be sdb, and so on. But libvirt can't guarantee it - the same way you can't guarantee how a disk is going to be called with real HW.