[cinder][nova] Running parallel iSCSI/LVM c-vol backends is causing random failures in CI

Jeremy Stanley fungi at yuggoth.org
Tue Mar 9 22:19:48 UTC 2021


On 2021-03-09 22:18:12 +0000 (+0000), Jeremy Stanley wrote:
> On 2021-03-09 22:08:18 +0000 (+0000), Lee Yarwood wrote:
> > I reported the following bug last week but I've yet to get any real
> > feedback after asking a few times in irc.
> > 
> > Running parallel iSCSI/LVM c-vol backends is causing random failures in CI
> > https://bugs.launchpad.net/cinder/+bug/1917750
> > 
> > AFAICT tgtadm is causing this behaviour. As I've stated in the bug
> > with Fedora 32 and lioadm I don't see the WWN conflict between the two
> > backends. Does anyone know if using lioadm is an option on Focal?
> 
> https://docs.openstack.org/cinder/latest/admin/blockstorage-lio-iscsi-support.html
> seems to indicate that you just need to set it in configuration. The
> package that document mentions looks like a distro package
> recommendation (does not exist under that name on PyPI) and the
> equivalent lib on PyPI is included in cinder's requirements.txt
> file, but I don't see either mentioned in the devstack source tree
> so maybe that needs to be installed for DevStack-based jobs to take
> advantage of it.

Oh, and this would be the package to add from Ubuntu Focal:

https://packages.ubuntu.com/focal/python3-rtslib-fb

-- 
Jeremy Stanley
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