yahoo-eng-team team mailing list archive

[Jin Hui <jinhuihh@xxxxxxxxxx>]

Public bug reported:

When try to attach a raw iscsi volume to a VM (using RDMp), current code
will try to get the iscsi target on the first host of the cluster. While
the VM perhaps locates on other host, and an error will be thrown as
this:

The virtual disk is either corrupted or not a supported format.

To fix this issue, need to replace get_host_ref with get_host_ref_for_vm
in the following places:

in volumeops.py:
def _iscsi_get_target(self, data):
   target_portal = data['target_portal']
   target_iqn = data['target_iqn']
   host_mor = vm_util.get_host_ref(self._session, self._cluster)   #need to get the host in which the VM resides
   ....

def _iscsi_rescan_hba(self, target_portal):
   host_mor = vm_util.get_host_ref(self._session, self._cluster)   #need to get the host in which the VM resides
  ......

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1386975

Title:
  VMWare: scan iscsi hba on wrong host and can't discover iscsi target

Status in OpenStack Compute (Nova):
  New

Bug description:
  When try to attach a raw iscsi volume to a VM (using RDMp), current
  code will try to get the iscsi target on the first host of the
  cluster. While the VM perhaps locates on other host, and an error will
  be thrown as this:

  The virtual disk is either corrupted or not a supported format.

  To fix this issue, need to replace get_host_ref with
  get_host_ref_for_vm in the following places:

  in volumeops.py:
  def _iscsi_get_target(self, data):
     target_portal = data['target_portal']
     target_iqn = data['target_iqn']
     host_mor = vm_util.get_host_ref(self._session, self._cluster)   #need to get the host in which the VM resides
     ....

  def _iscsi_rescan_hba(self, target_portal):
     host_mor = vm_util.get_host_ref(self._session, self._cluster)   #need to get the host in which the VM resides
    ......

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