[Gluster-devel] regression failed : snapshot/bug-1316437.t

[Atin Mukherjee]

On Mon, Jul 25, 2016 at 4:34 PM, Avra Sengupta <asengupt at redhat.com> wrote:

> The crux of the problem is that as of today, brick processes on restart
> try to reuse the old port they were using (assuming that no other process
> will be using it, and not consulting pmap_registry_alloc() before using
> it). With a recent change, pmap_registry_alloc (), reassigns older ports
> that were used, but are now free. Hence snapd now gets a port that was
> previously used by a brick and tries to bind to it, whereas the older brick
> process without consulting pmap table blindly tries to connect to it, and
> hence we see this problem.
>
> Now coming to the fix, I feel brick process should not try to get the
> older port and should just take a new port every time it comes up. We will
> not run out of ports with this change coz, now pmap allocates old ports
> again, and the previous port being used by the brick process will
> eventually be reused. If anyone sees any concern with this approach, please
> feel free to raise so now.
>

Looks to be OK, but I'll think through it and get back to you by a day or
two if I have any objections.


> While awaiting feedback from you guys, I have sent this patch (
> http://review.gluster.org/15001), which moves the said test case to bad
> tests for now, and after we collectively reach to a conclusion on the fix,
> we will remove this from bad test.
>
> Regards,
> Avra
>
>
> On 07/25/2016 02:33 PM, Avra Sengupta wrote:
>
> The failure suggests that the port snapd is trying to bind to is already
> in use. But snapd has been modified to use a new port everytime. I am
> looking into this.
>
> On 07/25/2016 02:23 PM, Nithya Balachandran wrote:
>
> More failures:
>
> https://build.gluster.org/job/rackspace-regression-2GB-triggered/22452/console
>
> I see these messages in the snapd.log:
>
> [2016-07-22 05:31:52.482282] I
> [rpcsvc.c:2199:rpcsvc_set_outstanding_rpc_limit] 0-rpc-service: Configured
> rpc.outstanding-rpc-limit with value 64
> [2016-07-22 05:31:52.482352] W [MSGID: 101002]
> [options.c:954:xl_opt_validate] 0-patchy-server: option 'listen-port' is
> deprecated, preferred is 'transport.socket.listen-port', continuing with
> correction
> [2016-07-22 05:31:52.482436] E [socket.c:771:__socket_server_bind]
> 0-tcp.patchy-server: binding to  failed: Address already in use
> [2016-07-22 05:31:52.482447] E [socket.c:774:__socket_server_bind]
> 0-tcp.patchy-server: Port is already in use
> [2016-07-22 05:31:52.482459] W [rpcsvc.c:1630:rpcsvc_create_listener]
> 0-rpc-service: listening on transport failed
> [2016-07-22 05:31:52.482469] W [MSGID: 115045] [server.c:1061:init]
> 0-patchy-server: creation of listener failed
> [2016-07-22 05:31:52.482481] E [MSGID: 101019] [xlator.c:433:xlator_init]
> 0-patchy-server: Initialization of volume 'patchy-server' failed, review
> your volfile again
> [2016-07-22 05:31:52.482491] E [MSGID: 101066]
> [graph.c:324:glusterfs_graph_init] 0-patchy-server: initializing translator
> failed
> [2016-07-22 05:31:52.482499] E [MSGID: 101176]
> [graph.c:670:glusterfs_graph_activate] 0-graph: init failed
>
> On Mon, Jul 25, 2016 at 12:00 PM, Ashish Pandey <aspandey at redhat.com>
> wrote:
>
>> Hi,
>>
>> Following test has failed 3 times in last two days -
>>
>> ./tests/bugs/snapshot/bug-1316437.t
>>
>> https://build.gluster.org/job/rackspace-regression-2GB-triggered/22445/consoleFull
>>
>> https://build.gluster.org/job/rackspace-regression-2GB-triggered/22445/consoleFull
>>
>> https://build.gluster.org/job/rackspace-regression-2GB-triggered/22470/consoleFull
>>
>> Please take a look at it and check if it spurious failure or not.
>>
>> Ashish
>>
>> _______________________________________________
>> Gluster-devel mailing list
>> Gluster-devel at gluster.org
>> http://www.gluster.org/mailman/listinfo/gluster-devel
>>
>
>
>
>


-- 

--Atin
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