Virtual machine with Virtio-SCSI direct-attached lun with scsi passthrough enabled becomes paused on RHEL-7.3 Hypervisor
Issue
- VM has been paused due to unknown storage error.
- VM on RHEL 7.3 Hypervisor with Kernel
3.10.0-514.6.1.el7.x86_64or earlier with a direct attached LUN that is configured asVirtio-SCSIwith scsi passthrough enabled will be paused as soon as writing operations are performed on the LUN within the Guest. - VM getting paused, after upgrading Hypervisor to RHEL-7.3
- VM attached with Direct-LUN gets paused immediately after mounting the LUN from inside the OS [Red Hat Enterprise Linux 7.1] before even performing any write operations on the LUN - with "Unknown storage Error" seen in the WebUI in the VM events.
Environment
- Red Hat Enterprise Linux (RHEL) 7.3 Host
- Red Hat Enterprise Virtualization (RHEV) 3.6
- Red Hat Virtualization (RHV) 4.0
- Red Hat Virtualization Hypervisor (RHV-H) 4.0
- rhev-hypervisor7-7.3-20170118.0.el7ev
- Emulex FibreChannel HBA
- Virtual Machine using direct attached LUN configured as
Virtio-SCSI - SCSI passthrough enabled, e.g. the option
Enable SCSI Pass-Throughactivated on the LUN via the RHEV Admin Portal
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