[Gluster-devel] Rebalance is not working in single node cluster environment.

[Atin Mukherjee]

Sent from Samsung Galaxy S4
On 13 Jun 2015 14:42, "Anand Nekkunti" <anekkunt at redhat.com> wrote:
>
>
> On 06/13/2015 02:27 PM, Atin Mukherjee wrote:
>>
>> Sent from Samsung Galaxy S4
>> On 13 Jun 2015 13:15, "Raghavendra Talur" <raghavendra.talur at gmail.com>
wrote:
>> >
>> >
>> >
>> > On Sat, Jun 13, 2015 at 1:00 PM, Atin Mukherjee <
atin.mukherjee83 at gmail.com> wrote:
>> >>
>> >> Sent from Samsung Galaxy S4
>> >> On 13 Jun 2015 12:58, "Anand Nekkunti" <anekkunt at redhat.com> wrote:
>> >> >
>> >> > Hi All
>> >> >    Rebalance is not working in single node cluster environment (
current test frame work ).  I am getting error in below test , it seems
re-balance is not migrated to  current cluster test framework.
>> >> Could you pin point which test case fails and what log do you see?
>> >> >
>> >> > cleanup;
>> >> > TEST launch_cluster 2;
>> >> > TEST $CLI_1 peer probe $H2;
>> >> >
>> >> > EXPECT_WITHIN $PROBE_TIMEOUT 1 check_peers
>> >> >
>> >> > $CLI_1 volume create $V0 $H1:$B1/$V0  $H2:$B2/$V0
>> >> > EXPECT 'Created' volinfo_field $V0 'Status';
>> >> >
>> >> > $CLI_1 volume start $V0
>> >> > EXPECT 'Started' volinfo_field $V0 'Status';
>> >> >
>> >> > #Mount FUSE
>> >> > TEST glusterfs -s $H1 --volfile-id=$V0 $M0;
>> >> >
>> >> > TEST mkdir $M0/dir{1..4};
>> >> > TEST touch $M0/dir{1..4}/files{1..4};
>> >> >
>> >> > TEST $CLI_1 volume add-brick $V0 $H1:$B1/${V0}1 $H2:$B2/${V0}1
>> >> >
>> >> > TEST $CLI_1 volume rebalance $V0  start
>> >> >
>> >> > EXPECT_WITHIN 60 "completed" CLI_1_rebalance_status_field $V0
>> >> >
>> >> > $CLI_2 volume status $V0
>> >> > EXPECT 'Started' volinfo_field $V0 'Status';
>> >> >
>> >> > cleanup;
>> >> >
>> >> > Regards
>> >> > Anand.N
>> >> >
>> >> >
>> >> >
>> >> > _______________________________________________
>> >> > Gluster-devel mailing list
>> >> > Gluster-devel at gluster.org
>> >> > http://www.gluster.org/mailman/listinfo/gluster-devel
>> >> >
>> >>
>> >>
>> >> _______________________________________________
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>> >> Gluster-devel at gluster.org
>> >> http://www.gluster.org/mailman/listinfo/gluster-devel
>> >>
>> >
>> > If it is a crash of glusterd when you do rebalance start, it is
because of FORTIFY_FAIL in libc.
>> > Here is the patch that Susant has already sent:
http://review.gluster.org/#/c/11090/
>> >
>> > You can verify that it is the same crash by checking the core in gdb;
a SIGABRT would be raised
>> > after strncpy.
>
>
> glusterd  is not crashing, but I am getting rebalance status as fail  in
my test case. It is happening in test frame work ( any simulated cluster
environment in same node ) only.
> RCA:
>   1. we are passing always "localhost" as volfile server for rebalance
xlator .
>   2.Rebalance processes are  overwriting  unix socket and log files each
other (All rebalance processes are creating socket with same name) .
>
> I will send patch for this
I thought we were already in an agreement for this yesterday. IIRC, the
same is true for all other daemons. As of now we dont have any tests which
invoke daemons using cluster.rc
>
> Regards
> Anand.N
>>
>> >
>> AFAIR Anand tried it in mainline and that fix was already in place.  I
think this is something different.
>> > --
>> > Raghavendra Talur
>> >
>
>
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