[Bug 1996958] Re: [Azure] 18.04 - /by-path/ has the same path

[Mauricio Faria de Oliveira]

** Description changed:

  [Impact]
  Azure 18.04 has issue with /dev/disk/by-path/ has the same path name when vm has multiple disks.
  
  [Test Plan]
  1. launch 18.04 on azure
  2. add extra disk to #1 vm
  3. check the path
  
  xtrusia at test-canonical:~$ udevadm info --name=/dev/sda | grep ID_PATH
  E: ID_PATH=acpi-VMBUS:00-scsi-0:0:0:0
  E: ID_PATH_TAG=acpi-VMBUS_00-scsi-0_0_0_0
  xtrusia at test-canonical:~$ udevadm info --name=/dev/sdb | grep ID_PATH
  E: ID_PATH=acpi-VMBUS:00-scsi-0:0:0:1
  E: ID_PATH_TAG=acpi-VMBUS_00-scsi-0_0_0_1
  xtrusia at test-canonical:~$ udevadm info --name=/dev/sdc | grep ID_PATH
  E: ID_PATH=acpi-VMBUS:00-scsi-0:0:0:0
  E: ID_PATH_TAG=acpi-VMBUS_00-scsi-0_0_0_0
  
  [Where problems might occur]
  TBD
  
  [Others]
  
  upstream patch
- https://github.com/systemd/systemd/pull/8509/commits/f3a1d5756e2fc4a8508caf3859a481cebf9d28a7
+ https://github.com/systemd/systemd/commit/cf3fabacaa141a1224a2ad239806a1fa28b51687

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https://bugs.launchpad.net/bugs/1996958

Title:
  [Azure] 18.04 - /by-path/ has the same path

Status in systemd package in Ubuntu:
  Fix Released
Status in systemd source package in Bionic:
  In Progress

Bug description:
  [Impact]
  Azure 18.04 has issue with /dev/disk/by-path/ has the same path name when vm has multiple disks.

  [Test Plan]
  1. launch 18.04 on azure
  2. add extra disk to #1 vm
  3. check the path

  xtrusia at test-canonical:~$ udevadm info --name=/dev/sda | grep ID_PATH
  E: ID_PATH=acpi-VMBUS:00-scsi-0:0:0:0
  E: ID_PATH_TAG=acpi-VMBUS_00-scsi-0_0_0_0
  xtrusia at test-canonical:~$ udevadm info --name=/dev/sdb | grep ID_PATH
  E: ID_PATH=acpi-VMBUS:00-scsi-0:0:0:1
  E: ID_PATH_TAG=acpi-VMBUS_00-scsi-0_0_0_1
  xtrusia at test-canonical:~$ udevadm info --name=/dev/sdc | grep ID_PATH
  E: ID_PATH=acpi-VMBUS:00-scsi-0:0:0:0
  E: ID_PATH_TAG=acpi-VMBUS_00-scsi-0_0_0_0

  [Where problems might occur]
  TBD

  [Others]

  upstream patch
  https://github.com/systemd/systemd/commit/cf3fabacaa141a1224a2ad239806a1fa28b51687

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