Support LIO as an iSCSI backend

Registered by Eric Harney on 2012-12-17

Currently Cinder most often uses tgtd to create iSCSI targets for volumes. This blueprint aims to enable use of LIO, a more modern alternative, by interfacing with python-rtslib. A new iSCSI TargetAdmin class will be created for this.

LIO: http://www.linux-iscsi.org/

This came out of the mailing list discussion about the lio-support-via-targetd blueprint, as it is a more straightforward method to support LIO before implementing a targetd driver.

Blueprint information

Status:
Complete
Approver:
None
Priority:
Medium
Drafter:
None
Direction:
Needs approval
Assignee:
Eric Harney
Definition:
New
Series goal:
Accepted for grizzly
Implementation:
Implemented
Milestone target:
milestone icon 2013.1
Started by
Eric Harney on 2012-12-17
Completed by
Thierry Carrez on 2013-02-20

Related branches

Sprints

Whiteboard

Gerrit topic: https://review.openstack.org/#q,topic:bp/lio-iscsi-support,n,z

Addressed by: https://review.openstack.org/18274
    Add LIO iSCSI backend support using python-rtslib

Addressed by: https://review.openstack.org/21266
    Add LIO configuration for iSCSI initiators

Addressed by: https://review.openstack.org/21980
    LIO: require rtslib >= 2.1.fb27 for tests

Note: rtstool must be installed for this driver to work. Available at https://pypi.python.org/pypi/rtstool/

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Work Items

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