[Bug 1524989] Re: ScaleIO driver could attach wrong volume to the VM

Edward Hope-Morley edward.hope-morley at canonical.com
Fri May 27 17:54:04 UTC 2016


** Description changed:

  When running multiple attach volume operations with multiple volumes and
  multiple VMs, a wrong volume could end up being attached to a VM.  To
  fix this, connect_volume and disconnect_volume should be locked.
+ 
+ 
+ [Impact] 
+ 
+  * Backport to Ubuntu Wily/Liberty to safeguard against race conditions
+ when performing concurrent attach/detach requests.
+ 
+ [Test Case]
+ 
+  * Deploy Openstack Liberty
+  * Boot a 5 instances and run http://paste.ubuntu.com/16738910/
+ 
+ [Regression Potential]
+ 
+  * Nothing expected

** Summary changed:

- ScaleIO driver could attach wrong volume to the VM
+ [SRU] ScaleIO driver could attach wrong volume to the VM

** Patch added: "lp1524989-wily.patch"
   https://bugs.launchpad.net/os-brick/+bug/1524989/+attachment/4671481/+files/lp1524989-wily.patch

** Changed in: cloud-archive/liberty
     Assignee: (unassigned) => Edward Hope-Morley (hopem)

** Tags added: sts-sru

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https://bugs.launchpad.net/bugs/1524989

Title:
  [SRU] ScaleIO driver could attach wrong volume to the VM

Status in Ubuntu Cloud Archive:
  New
Status in Ubuntu Cloud Archive liberty series:
  New
Status in os-brick:
  Fix Released
Status in python-os-brick package in Ubuntu:
  New
Status in python-os-brick source package in Wily:
  New

Bug description:
  When running multiple attach volume operations with multiple volumes
  and multiple VMs, a wrong volume could end up being attached to a VM.
  To fix this, connect_volume and disconnect_volume should be locked.

  
  [Impact] 

   * Backport to Ubuntu Wily/Liberty to safeguard against race
  conditions when performing concurrent attach/detach requests.

  [Test Case]

   * Deploy Openstack Liberty
   * Boot a 5 instances and run http://paste.ubuntu.com/16738910/

  [Regression Potential]

   * Nothing expected

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