Disk prefix setting for /dev/vda or /dev/sda notation

Solution Verified - Updated -


  • Unable to attach additional volume to instance provisioned from a volume
  • Additional disk is getting attached as /dev/sdb
  • Original disk is /dev/vda
  • Is there a disk_prefix setting available for nova compute service?


  • Red Hat OpenStack Platform 7.0
  • Red Hat OpenStack Platform 8.0
  • Red Hat OpenStack Platform 9.0
  • Red Hat OpenStack Platform 10.0

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