[OpenAFS] 1.8.0: Cache inconsistent after vos release

[Mark Vitale]

> On May 23, 2018, at 8:50 AM, Rich Sudlow <rich@nd.edu> wrote:
>=20
> On 05/23/2018 07:46 AM, Harald Barth wrote:
>> We see problems when doing a vos release that the 1.8.0 clients "miss"
>> that the ro volume has changed. We think this is repeatable.
>> Our setup is:
>> * server version OpenAFS 1.6.22 2017-12-07
>>   Centos
>> * client version OpenAFS 1.8.0  2018-05-08
>>   Both on Centos and Ubuntu
>> As it works with older AFS _clients_ and the same server, we suspect
>> that this is a 1.8.0 issue. An fs flushv fixes it.
>> I am not aware of any firewalls or NAT between server and client.
>> Before digging deeper: Has anyone of you seen this as well? If not,
>> you might want to test this if you think about moving to 1.8 or
>> already have.
>=20
> Yes we're definitely seeing this also.

I was able to reproduce this today and have submitted a patch for review:

https://gerrit.openafs.org/#/c/13090/

This patch works in my testing.

Regards,
--
Mark Vitale
mvitale@sinenomine.net