Comment 7 for bug 1226337

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Nikola Đipanov (ndipanov) wrote : Re: tempest.scenario.test_volume_boot_pattern.TestVolumeBootPattern flake failure

This does not seem like a nova bug. As per the error that was extracted in comment #3 (thanks Matthew) - this error occurs when nova cannot find the iscsi device after CONF.num_iscsi_scan_tries (by default 3), sleeping try_no ** 2 secs in between - so 14 secs by default. A simple solution might be to increase this limit for tempest runs.