<div dir="ltr">Ulrich,<div><br></div><div>I have 4 resources only (not 5, nodes are 5). So then I only need 6 constraints, right?</div><div><br></div><div><span style="font-size:12.8px"> [,1] [,2] [,3] [,4] [,5] [,6] </span><br style="font-size:12.8px"><span style="font-size:12.8px">[1,] "A" "A" "A" "B" "B" "C" </span><br style="font-size:12.8px"><span style="font-size:12.8px">[2,] "B" "C" "D" "C" "D" "D"</span><br></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">I understand that if I configure constraint of R1 with R2 score as -infinity, then the same applies for R2 with R1 score as -infinity (don't have to configure it explicitly). </span></div><div><span style="font-size:12.8px">I am not having a problem of multiple resources getting schedule on the same node. Rather, one working resource is unnecessarily getting relocated.</span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">-Thanks</span></div><div><span style="font-size:12.8px">Nikhil</span></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Oct 13, 2016 at 7:45 PM, Ulrich Windl <span dir="ltr"><<a href="mailto:Ulrich.Windl@rz.uni-regensburg.de" target="_blank">Ulrich.Windl@rz.uni-regensburg.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi!<br>
<br>
Don't you need 10 constraints, excluding every possible pair of your 5 resources (named A-E here), like in this table (produced with R):<br>
<br>
[,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10]<br>
[1,] "A" "A" "A" "A" "B" "B" "B" "C" "C" "D"<br>
[2,] "B" "C" "D" "E" "C" "D" "E" "D" "E" "E"<br>
<br>
Ulrich<br>
<br>
>>> Nikhil Utane <<a href="mailto:nikhil.subscribed@gmail.com">nikhil.subscribed@gmail.com</a>> schrieb am 13.10.2016 um 15:59 in<br>
Nachricht<br>
<<a href="mailto:CAGNWmJW0CWMr3bvR3L9xZCAcJUzyczQbZEzUzpaJxi%2BPn7Oj_A@mail.gmail.com">CAGNWmJW0CWMr3bvR3L9xZCAcJUzy<wbr>czQbZEzUzpaJxi+Pn7Oj_A@mail.<wbr>gmail.com</a>>:<br>
<div><div class="h5">> Hi,<br>
><br>
> I have 5 nodes and 4 resources configured.<br>
> I have configured constraint such that no two resources can be co-located.<br>
> I brought down a node (which happened to be DC). I was expecting the<br>
> resource on the failed node would be migrated to the 5th waiting node (that<br>
> is not running any resource).<br>
> However what happened was the failed node resource was started on another<br>
> active node (after stopping it's existing resource) and that node's<br>
> resource was moved to the waiting node.<br>
><br>
> What could I be doing wrong?<br>
><br>
> <nvpair id="cib-bootstrap-options-<wbr>have-watchdog" value="true"<br>
> name="have-watchdog"/><br>
> <nvpair id="cib-bootstrap-options-dc-<wbr>version" value="1.1.14-5a6cdd1"<br>
> name="dc-version"/><br>
> <nvpair id="cib-bootstrap-options-<wbr>cluster-infrastructure" value="corosync"<br>
> name="cluster-infrastructure"/<wbr>><br>
> <nvpair id="cib-bootstrap-options-<wbr>stonith-enabled" value="false"<br>
> name="stonith-enabled"/><br>
> <nvpair id="cib-bootstrap-options-no-<wbr>quorum-policy" value="ignore"<br>
> name="no-quorum-policy"/><br>
> <nvpair id="cib-bootstrap-options-<wbr>default-action-timeout" value="240"<br>
> name="default-action-timeout"/<wbr>><br>
> <nvpair id="cib-bootstrap-options-<wbr>symmetric-cluster" value="false"<br>
> name="symmetric-cluster"/><br>
><br>
> # pcs constraint<br>
> Location Constraints:<br>
> Resource: cu_2<br>
> Enabled on: Redun_CU4_Wb30 (score:0)<br>
> Enabled on: Redund_CU2_WB30 (score:0)<br>
> Enabled on: Redund_CU3_WB30 (score:0)<br>
> Enabled on: Redund_CU5_WB30 (score:0)<br>
> Enabled on: Redund_CU1_WB30 (score:0)<br>
> Resource: cu_3<br>
> Enabled on: Redun_CU4_Wb30 (score:0)<br>
> Enabled on: Redund_CU2_WB30 (score:0)<br>
> Enabled on: Redund_CU3_WB30 (score:0)<br>
> Enabled on: Redund_CU5_WB30 (score:0)<br>
> Enabled on: Redund_CU1_WB30 (score:0)<br>
> Resource: cu_4<br>
> Enabled on: Redun_CU4_Wb30 (score:0)<br>
> Enabled on: Redund_CU2_WB30 (score:0)<br>
> Enabled on: Redund_CU3_WB30 (score:0)<br>
> Enabled on: Redund_CU5_WB30 (score:0)<br>
> Enabled on: Redund_CU1_WB30 (score:0)<br>
> Resource: cu_5<br>
> Enabled on: Redun_CU4_Wb30 (score:0)<br>
> Enabled on: Redund_CU2_WB30 (score:0)<br>
> Enabled on: Redund_CU3_WB30 (score:0)<br>
> Enabled on: Redund_CU5_WB30 (score:0)<br>
> Enabled on: Redund_CU1_WB30 (score:0)<br>
> Ordering Constraints:<br>
> Colocation Constraints:<br>
> cu_3 with cu_2 (score:-INFINITY)<br>
> cu_4 with cu_2 (score:-INFINITY)<br>
> cu_4 with cu_3 (score:-INFINITY)<br>
> cu_5 with cu_2 (score:-INFINITY)<br>
> cu_5 with cu_3 (score:-INFINITY)<br>
> cu_5 with cu_4 (score:-INFINITY)<br>
><br>
> -Thanks<br>
> Nikhil<br>
<br>
<br>
<br>
<br>
<br>
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