Fix EPERM errors with scsi_generic devices #165
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niektoniekde
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With minimal changes LIO-T 'pscsi' backing store can be implemented. As use case example this enables possibility to export tape library robot devices via SCSI passthrough to virtual machine in HA KVM setup where same multiple library robots are zoned to multiple corosync nodes in multiple datacenters via SAN to achieve HA. In such scenario corosync just switch iSCSILogicalUnit to online node. This solution can work with persistent device naming such as '/dev/tape/by-id/<wwn>' but this patch has to be implemented open-iscsi/rtslib-fb#165 because otherwise targetcli returns error when scsi_generic device is being exported via pscsi backend.
niektoniekde
added a commit
to niektoniekde/resource-agents
that referenced
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Jul 9, 2020
With minimal changes LIO-T 'pscsi' backing store can be implemented. As use case example this enables possibility to export tape library robot devices via SCSI passthrough to virtual machine in HA KVM setup where same multiple library robots are zoned to multiple corosync nodes in multiple datacenters via SAN to achieve HA. In such scenario corosync just switch iSCSILogicalUnit to online node. This solution can work with persistent device naming such as '/dev/tape/by-id/<wwn>' but this patch has to be implemented open-iscsi/rtslib-fb#165 because otherwise targetcli returns error when scsi_generic device is being exported via pscsi backend.
niektoniekde
added a commit
to niektoniekde/resource-agents
that referenced
this pull request
Jul 9, 2020
With minimal changes LIO-T 'pscsi' backing store can be implemented. As use case example this enables possibility to export tape library robot devices via SCSI passthrough to virtual machine in HA KVM setup where same multiple library robots are zoned to multiple corosync nodes in multiple datacenters via SAN to achieve HA. In such scenario corosync just switch iSCSILogicalUnit to online node. This solution can work with persistent device naming such as '/dev/tape/by-id/<wwn>' but this patch has to be implemented open-iscsi/rtslib-fb#165 because otherwise targetcli returns error when scsi_generic device is being exported via pscsi backend.
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Thanks, I am going to test it. |
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Resolves open-iscsi/targetcli-fb#158