VM's /dev/sdX order for passthrough disks

[bellocarico]

I have a VM with a system disk currently mapped to scsi0
I have now mapped two additional disks (passthrough) using scsi1 and scs2 for these two new disks.
I was expecting the newly added disks to take their own place within the VM as /dev/sdb and /dev/sdc respectively, however thy completely messed up the disk order e.g. /dev/sda is first of the added disks and the boot disk ended up as /dev/sdc.

I'm confused. how can I passthrough disks retain their order within the VM?

Thanks

 

[leesteken]

The order of /dev/sd* is never guaranteed. Use something like /dev/disk/by-id/... or one of the other by-'s for a stable path.