iSCSI discovery doesn't work with Iser transport type

[Michael Price]

In order to perform iSCSI discovery using the ISER transport type, the -I option must be provided to iscsiadm with the transport type. This option is not being provided by os-brick, so the tcp transport type is provided by default. This results in a discovery failure.

2016-06-21 13:40:39.775 WARNING oslo.privsep.daemon [-] privsep log: CMD "iscsiadm -m discovery -t sendtargets -p 192.168.2.100:3260" returned: 19 in 30.063s
2016-06-21 13:40:39.790 WARNING oslo.privsep.daemon [-] privsep log: u'iscsiadm -m discovery -t sendtargets -p 192.168.2.100:3260' failed. Not Retrying.
2016-06-21 13:40:39.805 WARNING oslo.privsep.daemon [-] privsep log: privsep: Exception during request[112702320]: Unexpected error while running command.
2016-06-21 13:40:39.814 WARNING oslo.privsep.daemon [-] privsep log: Command: iscsiadm -m discovery -t sendtargets -p 192.168.2.100:3260
2016-06-21 13:40:39.822 WARNING oslo.privsep.daemon [-] privsep log: Exit code: 19
2016-06-21 13:40:39.829 WARNING oslo.privsep.daemon [-] privsep log: Stdout: u''
2016-06-21 13:40:39.837 WARNING oslo.privsep.daemon [-] privsep log: Stderr: u'iscsiadm: Login response timeout. Waited 30 seconds and did not get reponse PDU.\n\niscsiadm: discovery login to 192.168.2.100 failed, giving up 2\niscsiadm: Could not perform SendTargets discovery: encountered non-retryable iSCSI login failure\n'

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/352528

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/352528
Committed: https://git.openstack.org/cgit/openstack/os-brick/commit/?id=cef2880afea3c754a48f0286f42abd98ce9c2772
Submitter: Jenkins
Branch: master

commit cef2880afea3c754a48f0286f42abd98ce9c2772
Author: Michael Price <email address hidden>
Date: Mon Aug 8 12:13:28 2016 -0500

    Fix iSCSI discovery with ISER transport

    The iSCSI discovery is not working with the ISER transport type. By default,
    iscsiadm will use the tcp transport type. This patch changes the iscsiadm
    invocation to provide the '-I' option with a value of iser where
    ISER is in use, and a value of default otherwise.

    Closes-Bug: #1594892
    Change-Id: I1f0e01c4c2e928022080cfc0475fb5190066df23

[Doug Hellmann (doug-hellmann)]

This issue was fixed in the openstack/os-brick 1.6.0 release.

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/os-brick 1.6.0 release.