@Serge, Hi, had a customer ping me about this bug, any updates? Here's
his explanation:
You may recall our conversation around iSCSI connectivity for binding
block volume with host in OpenStack. The host is Linux container and
block volume is on EMC VMAX. The I/O path is over iSCSI. The
environment is Ubuntu 14.04 LTS x64. Our observation and KB found from
internet is also given.
- Regular attach volume works fine (iSCSI login occurs between compute node and
array target). In this context, Compute node is a physical host
- When creating bootable volume, controller node needs to perform iSCSI login
for instance to copy. We are seeing issues with this. In this case, Compute
node is an LXC container.
- Same isciadm commands that fail within the container, run fine when running
outside the container (on physical controller host)
Looks like,
There’s a iSCSI kernel bug with mounting a target within a container
The issue is with multiple namespaces it appears.
KBs found:
https://github.com/lxc/lxc/issues/177
https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1226855
https://groups.google.com/forum/#!topic/open-iscsi/GhKfxIix4ds
Do we know whether this is fixed?
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https://bugs.launchpad.net/bugs/1226855
Title:
Cannot use open-iscsi inside LXC container
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