[Pacemaker] A patch of crm_mon for the trouble actions.
Andrew Beekhof
andrew at beekhof.net
Mon Sep 13 12:58:20 UTC 2010
Thanks for the explanation, I think you're right that we shouldn't be
showing these failed actions.
I think we want to do it in the PE though, eg. stop them from making
it into the failed_ops list in the first place.
On Mon, Sep 13, 2010 at 10:37 AM, <renayama19661014 at ybb.ne.jp> wrote:
> Hi Andrew,
>
> Thank you for comment.
>
>> I assume this is for the stonith-enabled=true case, since offline
>> nodes are ignored for stonith-enabled=false.
>> Once the node is shot, then its status section is erased and no failed
>> actions will be shown... so why do we need this patch?
>
> I know that trouble information disappears when I succeeded in shooting a node.
> In addition, in the case of stonith-enabled=false, I know that it is not displayed if a node becomes
> the offline.
>
> (snip)
> if(this_node->details->online || is_set(data_set->flags, pe_flag_stonith_enabled)) {
> /* offline nodes run no resources...
> * unless stonith is enabled in which case we need to
> * make sure rsc start events happen after the stonith
> */
> crm_debug_3("Processing lrm resource entries");
> unpack_lrm_resources(this_node, lrm_rsc, data_set);
> }
> );
> (snip)
>
> But, the failed action information is displayed in crm_mon though a node is shutdown when it is not
> necessary to shoot a node.
> (The failed count of times disappears then, but the failed action stays.)
>
> # srv01 was monitor error.
>
> Migration summary:
> * Node srv04:
> * Node srv02:
> * Node srv01:
> prmApPostgreSQLDB1: migration-threshold=1 fail-count=1
> * Node srv03:
>
> Failed actions:
> prmApPostgreSQLDB1_monitor_10000 (node=srv01, call=81, rc=7, status=complete): not running
>
> # Next....srv01 was service stop.
>
> Migration summary: ---> The failed count of srv01 disappears
> * Node srv04:
> * Node srv02:
> * Node srv03:
>
> Failed actions: ---> The failed action stays
> prmApPostgreSQLDB1_monitor_10000 (node=srv01, call=81, rc=7, status=complete): not running
>
> Our user does not expect the trouble information of the node that stopped normally.
>
> In the case of stonith-enabled=true, should the node that trouble happened display failed action
> information till it is shot?
> When the trouble information of the node that stopped normally is displayed, is not the user confused?
>
> Best Regards,
> Hideo Yamauchi.
>
> --- Andrew Beekhof <andrew at beekhof.net> wrote:
>
>> 2010/9/13 <renayama19661014 at ybb.ne.jp>:
>> > Hi,
>> >
>> > I contribute the patch of the crm_mon command.
>> >
>> > A node was offline and, in the case of the shutdown, revised it not to display a trouble
>> action.
>> >
>> > Please confirm a patch.
>> > And, without a problem, please take this revision in a development version.
>>
>> Hmmm.
>> I'm not sure about this patch.
>>
>> I assume this is for the stonith-enabled=true case, since offline
>> nodes are ignored for stonith-enabled=false.
>> Once the node is shot, then its status section is erased and no failed
>> actions will be shown... so why do we need this patch?
>>
>> >
>> >
>> > diff -r 9b95463fde99 tools/crm_mon.c
>> > --- a/tools/crm_mon.c � Mon Sep 13 13:07:16 2010 +0900
>> > +++ b/tools/crm_mon.c � Mon Sep 13 13:07:59 2010 +0900
>> > @@ -829,6 +829,7 @@
>> > � � int configured_resources = 0;
>> > � � int print_opts = pe_print_ncurses;
>> > � � const char *quorum_votes = "unknown";
>> > + � �gboolean is_failed_first_disp = TRUE;
>> >
>> > � � if(as_console) {
>> > � � � �blank_screen();
>> > @@ -989,16 +990,28 @@
>> > � � }
>> >
>> > � � if(xml_has_children(data_set->failed)) {
>> > - � � � print_as("\nFailed actions:\n");
>> > � � � �xml_child_iter(data_set->failed, xml_op,
>> > � � � � � � � � � � �
> int val = 0;
>> > + � � � � � � � � � �
> �node_t *failed_node = NULL;
>> > � � � � � � � � � � �
> const char *id = ID(xml_op);
>> > � � � � � � � � � � �
> const char *last = crm_element_value(xml_op, "last_run");
>> > � � � � � � � � � � �
> const char *node = crm_element_value(xml_op, XML_ATTR_UNAME);
>> > � � � � � � � � � � �
> const char *call = crm_element_value(xml_op, XML_LRM_ATTR_CALLID);
>> > � � � � � � � � � � �
> const char *rc � = crm_element_value(xml_op, XML_LRM_ATTR_RC);
>> > � � � � � � � � � � �
> const char *status = crm_element_value(xml_op, XML_LRM_ATTR_OPSTATUS);
>> > -
>> > +
>> > + � � � � � � � � � �
> �failed_node = pe_find_node(data_set->nodes, node);
>> > + � � � � � � � � � �
> � if (failed_node != NULL) {
>> > + � � � � � � � � � �
> � � �if ((failed_node->details->shutdown == TRUE) &&
>> (failed_node->details->online ==
>> > FALSE)) {
>> > + � � � � � � � � � �
> � � � � �continue;
>> > + � � � � � � � � � �
> � � �}
>> > + � � � � � � � � � �
> �}
>> > +
>> > + � � � � � � � � � �
> �if (is_failed_first_disp){
>> > + � � � � � � � � � �
> � � �is_failed_first_disp = FALSE;
>> > + � � � � � � � � � �
> � � �print_as("\nFailed actions:\n");
>> > + � � � � � � � � � �
> �}
>> > +
>> > � � � � � � � � � � �
> val = crm_parse_int(status, "0");
>> > � � � � � � � � � � �
> print_as(" � �%s (node=%s, call=%s, rc=%s, status=%s",
>> > � � � � � � � � � � �
> � � � � �id, node, call, rc, op_status2text(val));
>> >
>> >
>> >
>> > Best Regards,
>> > Hideo Yamauchi.
>> >
>> >
>> > _______________________________________________
>> > Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
>> > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>> >
>> > Project Home: http://www.clusterlabs.org
>> > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>> > Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>> >
>> >
>>
>> _______________________________________________
>> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>>
>> Project Home: http://www.clusterlabs.org
>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>> Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>>
>
>
> _______________________________________________
> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>
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