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Post me the *exact* commands you're using on each node, in sequence
please. If you follow the 'Breaking up a cluster' transcript from
<a class="moz-txt-link-freetext" href="http://www.rabbitmq.com/clustering.html">http://www.rabbitmq.com/clustering.html</a> then you should not have
*any* problems. In particular, note the use of 'force_reset' on the
surviving node, so that it does not attempt to connect to nodes that
are no longer part of the cluster - who's residual configuration is
still present on the extant node we're now resetting.<br>
<br>
On 10/23/2012 10:21 AM, chetan dev wrote:
<blockquote
cite="mid:CAB0ZxM5xb-dPXybW4wq0V+6cG1y2MEznbzue-1gCFHFy5ZTU_w@mail.gmail.com"
type="cite">Yes , but now the node is failing to start because it
is not able to find other node for clustering
<div>so how do i reset this node to run it normally?</div>
<div><br>
</div>
<div>Thanks<br>
<br>
<div class="gmail_quote">On Tue, Oct 23, 2012 at 2:38 PM, Tim
Watson <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:tim@rabbitmq.com" target="_blank">tim@rabbitmq.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000"> Don't do that - take
the second node out of the cluster whilst the other
node(s) are still running, so that they can see it
leaving. See the clustering transcripts in <a
moz-do-not-send="true"
href="http://www.rabbitmq.com/clustering.html"
target="_blank">http://www.rabbitmq.com/clustering.html</a>
for details.
<div>
<div class="h5"><br>
<br>
On 10/23/2012 09:46 AM, chetan dev wrote:
<blockquote type="cite">Hi,
<div><br>
</div>
<div>Thanks you very much for this information </div>
<div>another problem i am facing is i have two nodes
clustered lets say rabbit@SHIKHARM(ram) and
rabbit@CHETANDEV(disc)</div>
<div>now if i stop rabbit@SHIKHARM using rabbitmwctl
stop command and then i stop rabbit@CHETANDEV
using stop_app command and then reset it this way
i remove it from cluster and restart the node </div>
<div>now rabbit@CHETANDEV starts and works fine but
when i try to start rabbit@SHIKHARM it fails .</div>
<div>i think it is trying to cluster with
rabbit@CHETANDEV but that node is now not in
cluster but is there a way so that i can reset
rabbit@SHIKHARM and start it normally</div>
<div>here is the error that i got: </div>
<div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">node
: rabbit@SHIKHARM</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">app
descriptor : c:/Program Files/RabbitMQ
Server/rabbitmq_server-2.8.6/sbin/../</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">ebin/rabbit.app</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">home
dir : C:\Users\Acer</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">config
file(s) : (none)</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">cookie
hash : +3xbT32/GKScN3yhCcE0Ag==</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">log
: <a moz-do-not-send="true"
href="mailto:C:/Users/Acer/AppData/Roaming/RabbitMQ/log/rabbit@SHIKHARM.log"
target="_blank">C:/Users/Acer/AppData/Roaming/RabbitMQ/log/rabbit@SHIKHARM.log</a></div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">sasl
log :
C:/Users/Acer/AppData/Roaming/RabbitMQ/log/rabbit@SHIKHARM-sasl</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">.log</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">database
dir :
c:/Users/Acer/AppData/Roaming/RabbitMQ/db/rabbit@SHIKHARM-mnesi</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">a</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">erlang
version : 5.9.1</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif"><br>
</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">--
rabbit boot start</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">starting
file handle cache server
...done</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">starting
worker pool
...done</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">starting
database
...</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif"><br>
</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">BOOT
FAILED</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">===========</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif"><br>
</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">Error
description:</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
{error,{failed_to_cluster_with,[rabbit@CHETANDEV],</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
"Mnesia could
not connect to any disc nodes."}</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">}</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif"><br>
</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">Log
files (may contain more information):</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<a moz-do-not-send="true"
href="mailto:C:/Users/Acer/AppData/Roaming/RabbitMQ/log/rabbit@SHIKHARM.log"
target="_blank">C:/Users/Acer/AppData/Roaming/RabbitMQ/log/rabbit@SHIKHARM.log</a></div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
<a moz-do-not-send="true"
href="mailto:C:/Users/Acer/AppData/Roaming/RabbitMQ/log/rabbit@SHIKHARM-sasl.log"
target="_blank">C:/Users/Acer/AppData/Roaming/RabbitMQ/log/rabbit@SHIKHARM-sasl.log</a></div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif"><br>
</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">Stack
trace:</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
[{rabbit_mnesia,init_db,3,[]},</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
{rabbit_mnesia,init,0,[]},</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
{rabbit,'-run_boot_step/1-lc$^1/1-1-',1,[]},</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
{rabbit,run_boot_step,1,[]},</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
{rabbit,'-start/2-lc$^0/1-0-',1,[]},</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
{rabbit,start,2,[]},</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
{application_master,start_it_old,4,</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">
[{file,"application_master.erl"},{line,274}]}]</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif"><br>
</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">{"Kernel
pid
terminated",application_controller,"{application_start_failure,rabb</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">it,{bad_return,{{rabbit,start,[normal,[]]},{'EXIT',{rabbit,failure_during_boot}}</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">}}}"}</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif"><br>
</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">Crash
dump was written to: erl_crash.dump</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">Kernel
pid terminated (application_controller)
({application_start_failure,rabbi</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">t,{bad_return,{{rabbit,start,[normal,[]]},{'EXIT',{rabbit,failure_during_boot}}}</div>
<div
style="color:rgb(34,34,34);font-size:13px;font-family:arial,sans-serif">}})</div>
</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div>Thanks</div>
<div><br>
</div>
<div><br>
</div>
<div> <br>
</div>
<div> <br>
<br>
<div class="gmail_quote">On Tue, Oct 23, 2012 at
1:50 PM, Tim Watson <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:watson.timothy@gmail.com"
target="_blank">watson.timothy@gmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0
0 0 .8ex;border-left:1px #ccc
solid;padding-left:1ex"> Ah of course - sorry
i missed that guys. After so recently looking
at the 3.0 cluster commands I'd forgotten that
the choice of disk/ram was done that way in
2.8.x.<br>
<div>
<div><br>
On 22 Oct 2012, at 21:26, Matthias
Radestock <<a moz-do-not-send="true"
href="mailto:matthias@rabbitmq.com"
target="_blank">matthias@rabbitmq.com</a>>
wrote:<br>
<br>
> On 22/10/12 20:28, chetan dev wrote:<br>
>>> here is what i am doing<br>
>>> 1. two nodes
rabbit@SHIKHARM and rabbit@CHETANDEV are
clustered<br>
><br>
> yes, but...<br>
><br>
>>> i clustered them as given on
rabbitmq clustering documentation for e.g<br>
>>> on the first place both nodes
are running<br>
>>> now i stopped app using
rabbitmqctl stop_app then i reset that
node than<br>
>>> i clusterd that node with
another using rabbitmqctl cluster
rabbit@SHIKHARM<br>
>>> then i started the node using
rabbitmqctl start_app<br>
>>> when i checked the cluster
status it was showing fine then i did as i<br>
>>> mentioned earlier<br>
><br>
> That will make rabbit@CHETANDEV a
*ram* node. To make both nodes disk nodes
the node itself would have to be mentioned
in the cluster command too, i.e.
'rabbitmqctl cluster rabbit@SHIKHAR
rabbit@CHETANDEV'.<br>
><br>
>>> 2. now i stop node
rabbit@SHIKHARM using rabbitmqctl stop
commnad<br>
>>> 3. now i start the node
rabbit@SHIKHARM using rabbitmq-server<br>
>>> start commnad<br>
><br>
> You have just stopped and restarted
the clusters' only disk node. Rabbit
clusters won't function properly if they
have only ram nodes.<br>
><br>
>>> 4. and then i check
cluster status it shows only one running
node<br>
>>> Cluster status of node
rabbit@CHETANDEV ...<br>
>>>
[{nodes,[{disc,[rabbit@SHIKHARM]},{ram,[rabbit@CHETANDEV]}]},<br>
>>>
{running_nodes,[rabbit@CHETANDEV]}]<br>
>>> ...done.<br>
><br>
> Try running that command against
rabbit@SHIKHARM. I suspect it will tell
you that it only knows about itself.<br>
><br>
> Anyway, I suggest you change your
cluster configuration s.t. both nodes are
disk nodes.<br>
><br>
> Regards,<br>
><br>
> Matthias.<br>
</div>
</div>
<div>
<div>>
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</blockquote>
</div>
<br>
<br clear="all">
<div><br>
</div>
-- <br>
Cheten Dev <br>
<br>
B.Tech Final Year<br>
Dept. of Electrical Engg.<br>
IIT Delhi, New Delhi<br>
ph 8527333215<br>
<br>
</div>
<br>
<fieldset></fieldset>
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</blockquote>
<br>
</div>
</div>
</div>
</blockquote>
</div>
<br>
<br clear="all">
<div><br>
</div>
-- <br>
Cheten Dev <br>
<br>
B.Tech Final Year<br>
Dept. of Electrical Engg.<br>
IIT Delhi, New Delhi<br>
ph 8527333215<br>
<br>
</div>
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