[cinder] db sync error upgrading from pike to queens

Brandon Caulder kbcaulder at gmail.com
Thu Jan 10 21:32:27 UTC 2019


Hi Iain,

There are 424 rows in volumes which drops down to 185 after running
cinder-manage db purge 1.  Restarting the volume service after package
upgrade and running sync again does not remediate the problem, although
running db sync a second time does bump the version up to 117, the
following appears in the volume.log...

http://paste.openstack.org/show/Gfbe94mSAqAzAp4Ycwlz/

Thanks

On Thu, Jan 10, 2019 at 11:15 AM iain MacDonnell <iain.macdonnell at oracle.com>
wrote:

>
> Different issue, I believe (DB sync vs. online migrations) - it just
> happens that both pertain to shared targets.
>
> Brandon, might you have a very large number of rows in your volumes
> table? Have you been purging soft-deleted rows?
>
>      ~iain
>
>
> On 1/10/19 11:01 AM, Jay Bryant wrote:
> > Brandon,
> >
> > I am thinking you are hitting this bug:
> >
> https://urldefense.proofpoint.com/v2/url?u=https-3A__bugs.launchpad.net_cinder_-2Bbug_1806156&d=DwIDaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=RxYkIjeLZPK2frXV_wEUCq8d3wvUIvDPimUcunMwbMs&m=FHjmiBaQPWLNzGreplNmZfCZ0MkpV5GLaqD2hcs5hwg&s=AvAoszuVyGkd2_1hyCnQjwGEw9dUNfEoqsUcxdHYZqU&e=
> >
> >
> > I think you can work around it by retrying the migration with the volume
> > service running.  You may, however, want to check with Iain MacDonnell
> > as he has been looking at this for a while.
> >
> > Thanks!
> > Jay
> >
> >
> > On 1/10/2019 12:34 PM, Brandon Caulder wrote:
> >> Hi,
> >>
> >> I am receiving the following error when performing an offline upgrade
> >> of cinder from RDO openstack-cinder-1:11.1.0-1.el7 to
> >> openstack-cinder-1:12.0.3-1.el7.
> >>
> >> # cinder-manage db version
> >> 105
> >>
> >> # cinder-manage --debug db sync
> >> Error during database migration: (pymysql.err.OperationalError) (2013,
> >> 'Lost connection to MySQL server during query') [SQL: u'UPDATE volumes
> >> SET shared_targets=%(shared_targets)s'] [parameters:
> >> {'shared_targets': 1}]
> >>
> >> # cinder-manage db version
> >> 114
> >>
> >> The db version does not upgrade to queens version 117.  Any help would
> >> be appreciated.
> >>
> >> Thank you
> >
>
>
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