Comments (4)
mancdaz
commented on July 21, 2024
Thursday Aug 07, 2014 at 16:58 GMT
I think the issue exists on the initiator (so nova-compute) and not the tgt-admin (cinder-volumes) service. The asciinema link suggests you're adding modules to what would be the cinder-volumes (tgtd) container and then showing you can attach to it from a host, this works fine. As the current fix just moves nova-compute to metal (leaving cinder-volumes in a container) which works.
The issue is that the initiator can't connect when it is in a container:
root@compute1_nova_compute_container-25bf59ec:~# iscsiadm -m node -T iqn.2010-10.org.openstack:volume-e80bcc97-6288-499d-a11d-dd95cf8143d8 -p 10.241.0.227:3260 --login
Logging in to iface: default, target: iqn.2010-10.org.openstack:volume-e80bcc97-6288-499d-a11d-dd95cf8143d8, portal: 10.241.0.227,3260
iscsiadm: got read error (0/111), daemon died?
iscsiadm: Could not login to [iface: default, target: iqn.2010-10.org.openstack:volume-e80bcc97-6288-499d-a11d-dd95cf8143d8, portal: 10.241.0.227,3260].
iscsiadm: initiator reported error (18 - could not communicate to iscsid)
iscsiadm: Could not log into all portals
If we run this exact same thing off the host itself we get the following:
root@533816-node20:~# iscsiadm -m node -T iqn.2010-10.org.openstack:volume-e80bcc97-6288-499d-a11d-dd95cf8143d8 -p 10.241.0.227:3260 --login
Logging in to iface: default, target: iqn.2010-10.org.openstack:volume-e80bcc97-6288-499d-a11d-dd95cf8143d8, portal: 10.241.0.227,3260
Login to [iface: default, target: iqn.2010-10.org.openstack:volume-e80bcc97-6288-499d-a11d-dd95cf8143d8, portal: 10.241.0.227,3260] successful.
The bug on launchpad would agree with this in that the iscsi issue relates to the initiator.
If you only have that scsi_transport_iscsi module then you get the following (from the host):
root@533816-node20:~# iscsiadm -m node -T iqn.2010-10.org.openstack:volume-e80bcc97-6288-499d-a11d-dd95cf8143d8 -p 10.241.0.227:3260 --login
Logging in to iface: default, target: iqn.2010-10.org.openstack:volume-e80bcc97-6288-499d-a11d-dd95cf8143d8, portal: 10.241.0.227,3260
iscsiadm: Could not login to [iface: default, target: iqn.2010-10.org.openstack:volume-e80bcc97-6288-499d-a11d-dd95cf8143d8, portal: 10.241.0.227,3260].
iscsiadm: initiator reported error (9 - internal error)
iscsiadm: Could not log into all portals
Which relates to the missing module - maybe that will help figure out the issue.
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mancdaz
commented on July 21, 2024
Thursday Aug 07, 2014 at 17:16 GMT
Additional note, you can see the targets from both host and container, it's the --login that only works from the host.
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mancdaz
commented on July 21, 2024
Thursday Aug 07, 2014 at 23:14 GMT
Damn. Right you are. Hitting the same issue. I think there's another potential solution mentioned in the LP bug report we might be able to use without significant ugliness, but for now I guess we're stuck with is_metal: True on nova-compute. I'll do what I can as soon as I can.
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mancdaz
commented on July 21, 2024
Closing this as an 'issue', to be addressed separately.
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