[Gluster-users] about heal full

Joe Julian joe at julianfamily.org
Tue Mar 15 13:52:13 UTC 2016


What? That's poor behavior. I'll open a bug on that. We have a network of management daemons that should be able to coordinate that on their own.

On March 14, 2016 8:43:56 PM PDT, Krutika Dhananjay <kdhananj at redhat.com> wrote:
>Yes. 'heal-full' should be executed on the node with the highest uuid.
>
>Here's how i normally figure out what uuid is the highest:
>Put all the nodes' uuids in a text file, one per line, sort them and
>get
>the last uuid from the list.
>
>To be more precise:
>On any node, you can get the uuids of the peers through `gluster peer
>status` output.
>Gather them all and put them in a file.
>Next, in order to get the uuid of the node where you executed peer
>status
>itself, you use the command `gluster system:: uuid get`
>Put this uuid as well into the text file.
>
>Now execute
># cat <text-file-path> | sort
>
>The last uuid printed in this list is the one that corresponds to the
>highest uuid in the cluster.
>
>HTH,
>Krutika
>
>
>On Mon, Mar 14, 2016 at 12:49 PM, songxin <songxin_1980 at 126.com> wrote:
>
>> Hi,
>> I have create a replicate volume and I want  to run "gluster volume
>heal
>> gv0 full".
>>
>> I found that if I run "gluster volume heal gv0 full" on one board it
>> always output err like below.
>>          Launching heal operation to perform full self heal on volume
>gv0
>> has been unsuccessful
>>
>> But If I run "heal full " on the another board it alway sucessful.
>>
>> I found the code of glusterfs as  below.
>>
>>                 if (gf_uuid_compare (brickinfo->uuid, candidate) > 0)
>>                         gf_uuid_copy (candidate, brickinfo->uuid);
>>
>>                 if ((*index) % hxl_children == 0) {
>>                         if (!gf_uuid_compare (MY_UUID, candidate)) {
>>                                 _add_hxlator_to_dict (dict, volinfo,
>>
>> ((*index)-1)/hxl_children,
>>                                                      
>(*hxlator_count));
>>                                 (*hxlator_count)++;
>>                         }
>>                         gf_uuid_clear (candidate);
>>                 }
>>
>> My question is below:
>> Must I run "heal full" on the board whose uuid is the biggest?
>> If so, how cound I know which is the biggest board before I try to
>run
>> "heal full" on every board?
>>
>> Thanks,
>> Xin
>>
>>
>>
>>
>>
>>
>>
>>
>> _______________________________________________
>> Gluster-users mailing list
>> Gluster-users at gluster.org
>> http://www.gluster.org/mailman/listinfo/gluster-users
>>
>
>
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