I'm trying to replace my old single point of failure iscsi gateway with the shiny new tcmu-runner implementation. I've been fighting a Windows initiator all day. I haven't tested any other initiators, as Windows is currently all we use iscsi for.
One issue I've considered is our Ceph cluster is running 12.2.8 but I built my iscsi gateways against 13.2.2 since we will be moving to mimic within the next month or so. I compiled tcmu-runner with default options against 13.2.2 on a fresh fully updated version of centos 7.5.1804 with elrepo kernel 4.18.12-1. syslog: Oct 9 16:55:31 dc1srviscsi01 tcmu-runner: tcmu_get_alua_grp:225 rbd/rbd.test_0: Unsupported alua_access_type: Implicit and Explicit failover not supported. Oct 9 16:55:31 dc1srviscsi01 tcmu-runner: tcmu_get_alua_grps:319 rbd/rbd.test_0: Could not get alua group ao. Oct 9 16:55:31 dc1srviscsi01 tcmu-runner: tcmu_get_alua_grp:225 rbd/rbd.test_0: Unsupported alua_access_type: Implicit and Explicit failover not supported. Oct 9 16:55:31 dc1srviscsi01 tcmu-runner: tcmu_get_alua_grps:319 rbd/rbd.test_0: Could not get alua group ao. Oct 9 16:55:31 dc1srviscsi01 tcmu-runner: tcmu_get_alua_grp:225 rbd/rbd.test_0: Unsupported alua_access_type: Implicit and Explicit failover not supported. Oct 9 16:55:31 dc1srviscsi01 tcmu-runner: tcmu_get_alua_grps:319 rbd/rbd.test_0: Could not get alua group ao. O Any thoughts would be appreciated.
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