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2491b8ae52
In some circumstances, e.g. while performing a switchover, it is essential
that repmgrd does not take any kind of failover action, as this will put
the cluster into an incorrect state.
Previously it was necessary to stop repmgrd on all nodes (or at least
those nodes which repmgrd would consider as promotion candidates), however
this is a cumbersome and potentially risk-prone operation, particularly if the
replication cluster contains more than a couple of servers.
To prevent this issue from occurring, this patch introduces the ability
to "pause" repmgrd on all nodes wth a single command ("repmgr daemon pause")
which notifies repmgrd not to take any failover action until the node
is "unpaused" ("repmgr daemon unpause").
"repmgr daemon status" provides an overview of each node and whether repmgrd
is running, and if so whether it is paused.
"repmgr standby switchover" has been modified to automatically pause repmgrd
while carrying out the switchover.
See documentation for further details.
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/*
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* errcode.h
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* Copyright (c) 2ndQuadrant, 2010-2018
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _ERRCODE_H_
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#define _ERRCODE_H_
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/* Exit return codes */
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#define SUCCESS 0
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#define ERR_BAD_CONFIG 1
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#define ERR_BAD_RSYNC 2
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#define ERR_BAD_PIDFILE 3
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#define ERR_NO_RESTART 4
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#define ERR_LOCAL_COMMAND 5
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#define ERR_DB_CONN 6
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#define ERR_DB_QUERY 7
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#define ERR_PROMOTION_FAIL 8
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#define ERR_MONITORING_TIMEOUT 9
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#define ERR_STR_OVERFLOW 10
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#define ERR_FAILOVER_FAIL 11
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#define ERR_BAD_SSH 12
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#define ERR_SYS_FAILURE 13
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#define ERR_BAD_BASEBACKUP 14
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#define ERR_INTERNAL 15
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#define ERR_MONITORING_FAIL 16
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#define ERR_BAD_BACKUP_LABEL 17
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#define ERR_SWITCHOVER_FAIL 18
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#define ERR_BARMAN 19
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#define ERR_REGISTRATION_SYNC 20
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#define ERR_OUT_OF_MEMORY 21
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#define ERR_SWITCHOVER_INCOMPLETE 22
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#define ERR_FOLLOW_FAIL 23
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#define ERR_REJOIN_FAIL 24
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#define ERR_NODE_STATUS 25
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#define ERR_REPMGRD_PAUSE 26
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#endif /* _ERRCODE_H_ */
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