d89e666e06
We leave users to choose whatever heartbeat solution they want, if the heartbeat is lost, or other errors they detect, they can use experimental command 'x_colo_lost_heartbeat' to tell COLO to do failover, COLO will do operations accordingly. For example, if the command is sent to the Primary side, the Primary side will exit COLO mode, does cleanup work, and then, PVM will take over the service work. If sent to the Secondary side, the Secondary side will run failover work, then takes over PVM's service work. Cc: Luiz Capitulino <lcapitulino@redhat.com> Cc: Eric Blake <eblake@redhat.com> Cc: Markus Armbruster <armbru@redhat.com> Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Amit Shah <amit@amitshah.net>
47 lines
1010 B
C
47 lines
1010 B
C
/*
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* COarse-grain LOck-stepping Virtual Machines for Non-stop Service (COLO)
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* (a.k.a. Fault Tolerance or Continuous Replication)
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*
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* Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD.
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* Copyright (c) 2016 FUJITSU LIMITED
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* Copyright (c) 2016 Intel Corporation
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or
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* later. See the COPYING file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "migration/colo.h"
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#include "qmp-commands.h"
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bool colo_supported(void)
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{
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return false;
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}
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bool migration_in_colo_state(void)
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{
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return false;
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}
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bool migration_incoming_in_colo_state(void)
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{
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return false;
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}
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void migrate_start_colo_process(MigrationState *s)
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{
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}
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void *colo_process_incoming_thread(void *opaque)
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{
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return NULL;
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}
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void qmp_x_colo_lost_heartbeat(Error **errp)
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{
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error_setg(errp, "COLO is not supported, please rerun configure"
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" with --enable-colo option in order to support"
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" COLO feature");
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}
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