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corosync-blackbox(8) [centos man page]

COROSYNC-BLACKBOX(8)					      System Manager's Manual					      COROSYNC-BLACKBOX(8)

NAME
corosync-blackbox - Dump live "flight data" from the corosync "blackbox". SYNOPSIS
corosync-blackbox DESCRIPTION
corosync-blackbox Trigger corosync to write it's "flight data" out to file and then run qb-blackbox which prints it out. EXAMPLES
Print the current "flight data". $ corosync-blackbox Starting replay: head [74205] tail [0] rec=[1] Log Message=Corosync Cluster Engine ('1.2.1'): started and ready to provide service. [...] rec=[2607] Log Message=Delivering MCAST message with seq a to pending delivery queue rec=[2608] Log Message=downlist received left_list: 2 rec=[2609] Log Message=chosen downlist from node r(0) ip(192.168.100.11) Finishing replay: records found [2609] SEE ALSO
qb-blackbox(8), corosync-cmapctl(8) AUTHOR
Angus Salkeld 2010-05-30 COROSYNC-BLACKBOX(8)

Check Out this Related Man Page

QB-BLACKBOX(8)						      System Manager's Manual						    QB-BLACKBOX(8)

NAME
qb-blackbox - Display "flight data" from the "blackbox". SYNOPSIS
qb-blackbox <blackbox files>... DESCRIPTION
qb-blackbox Print out the logs (including debug logs) that were recorded using libqb's blackbox. EXAMPLES
Get info to help developers diagnose a crash. $ qb-blackbox /var/lib/corosync/fdata Dumping the contents of /var/lib/corosync/fdata Mar 23 20:58:57 message_handler_orf_token():3677 install seq 0 aru 0 high seq received 0 Mar 23 20:58:57 message_handler_orf_token():3696 retrans flag count 4 token aru 0 install seq 0 aru 0 0 Mar 23 20:58:57 old_ring_state_reset():1487 Resetting old ring state Mar 23 20:58:57 deliver_messages_from_recovery_to_regular():1693 recovery to regular 1-0 Mar 23 20:58:57 memb_state_operational_enter():1779 Delivering to app 1 to 0 Mar 23 20:58:57 sync_abort():594 ENTERING sync_abort() Mar 23 20:58:57 sync_save_transitional():586 ENTERING sync_save_transitional() Mar 23 20:58:57 member_object_joined():301 Member joined: r(0) ip(192.168.122.1) Mar 23 20:58:57 sync_abort():594 ENTERING sync_abort() SEE ALSO
qblog.h(3), AUTHOR
Angus Salkeld 2012-05-28 QB-BLACKBOX(8)
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