[Bug 1882350] Re: it always create sdx device when I configure ide device with hdx name

[marshell]

Thanks a lot for the reply.


But from the cmdline of qemu, we can see as following, libvirt passed "-device" 
option with "ide-hd, bus=ide.0" to qemu. I am wondering why qemu received this 
option, but it is still dealing it as scsi bus device instead of ide bus 
device, since with "lssci" cmd, we can see the ide disk we configured in xml. 

>3. from vm.log:

>le=/data2.qcow2,format=qcow2,if=none,id=drive-ide0-0-1 -device ide-
hd,bus=ide.0,unit=1,drive=drive-ide0-0-1,id=ide0-0-1 >-drive
file=/data3_raw.qcow2,format=raw,if=none,id=drive-ide0-1-0 -device ide-
hd,bus=ide.1,unit=0,drive=drive-ide0-1->0,id=ide0-1-0 -netdev t

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https://bugs.launchpad.net/bugs/1882350

Title:
  it always create sdx device when I configure ide device with hdx name

Status in QEMU:
  New

Bug description:
  I have configured 2 ide disks with name starting with hd, but when the
  vm boots up, it shows disks whose name starting with sd.

  1. ide disks in vm xml:

      <disk type='file' device='disk'>
        <driver name='qemu' type='raw'/>
        <source file='/data3_raw.qcow2'/>
        <target dev='hdc' bus='ide'/>
      </disk>
      <disk type='file' device='disk'>
        <driver name='qemu' type='qcow2'/>
        <source file='/data2.qcow2'/>
        <target dev='hdb' bus='ide'/>
      </disk>

  
  2. in VM:

  sda            8:0    0    2G  0 disk
  sdb            8:16   0    1G  0 disk

  
  3. from vm.log:

  le=/data2.qcow2,format=qcow2,if=none,id=drive-ide0-0-1 -device ide-
  hd,bus=ide.0,unit=1,drive=drive-ide0-0-1,id=ide0-0-1 -drive
  file=/data3_raw.qcow2,format=raw,if=none,id=drive-ide0-1-0 -device
  ide-hd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -netdev t

  
  4. rpm info: (I got the same issue on 2 diff envs)
  (1) env1
  qemu-kvm-1.5.3-105
  libvirt-3.2.0-14.el7
  (2) env2
  libvirt-5.9.0-1.el8
  qemu-4.1.0-1.el8

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