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Commit Graph
10 Commits
Author SHA1 Message Date
Zhang Chen 7c2c1763aa libxl/libxl_qmp.c: Update COLO query replication status API 
The QEMU community has asked us to change QMP command
xen-get-replication-error to query-xen-replication-status. Modify Xen
side to use the new name.

Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
 2017-03-20 15:27:53 +00:00
Zhang Chen 8127374545 libxl/libxl_qmp.c: Update COLO do checkpoint API 
The QEMU community has asked us to change the QMP command from
xen-do-checkpoint to xen-colo-do-checkpoint. Modify Xen side to use
the new name.

Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
 2017-03-20 15:27:53 +00:00
Zhang Chen 03a5db86f7 COLO-Proxy: Use socket to get checkpoint event. 
We use kernel colo proxy's way to get the checkpoint event
from qemu colo-compare.
Qemu colo-compare need add a API to support this(I will add this in qemu).
Qemu side patch:
 https://lists.nongnu.org/archive/html/qemu-devel/2017-02/msg07265.html

Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
 2017-03-14 11:36:52 +00:00
Zhang Chen 410cc81cfc COLO-Proxy: Setup userspace colo-proxy on primary side 
In this patch we close kernel COLO-Proxy on primary side.

Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
 2017-03-14 11:36:39 +00:00
Zhang Chen f55686226b COLO-Proxy: Add remus command to open userspace proxy 
Add remus '-p' to enable userspace colo proxy(in qemu).

Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
 2017-03-14 11:36:36 +00:00
Cedric Bosdonnat 73a7e6e9d3 libxl/libxl_colo_save.c: used LOG*D functions 
Use LOG*D logging functions where possible instead of the LOG* ones.

Signed-off-by: Cédric Bosdonnat <cbosdonnat@suse.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
 2016-12-03 15:57:33 +00:00
Wei Liu e4761907dd libxl: colo: simplify colo_proxy_async_wait_for_checkpoint 
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
 2016-04-06 14:50:52 +01:00
Wen Congyang 40a9cb9cbe setup and control colo proxy on primary side 
Signed-off-by: Yang Hongyang <hongyang.yang@easystack.cn>
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
 2016-04-01 14:33:16 +01:00
Wen Congyang 9aec2ef5c9 COLO: use qemu block replication 
Use qemu block replication as our block replication solution.
Note that guest must be paused before starting COLO, otherwise,
the disk won't be consistent between primary and secondary.

Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Yang Hongyang <hongyang.yang@easystack.cn>
Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
 2016-04-01 14:33:16 +01:00
Wen Congyang 72f4c0aef0 primary vm suspend/resume/checkpoint code 
We will do the following things again and again:
1. Suspend primary vm
   a. Suspend primary vm
   b. do postsuspend
   c. Read CHECKPOINT_SVM_SUSPENDED sent by secondary
2. Checkpoint
   a. Write emulator xenstore data and emulator context
   b. Write checkpoint end record
3. Resume primary vm
   a. Read CHECKPOINT_SVM_READY from slave
   b. Do presume
   c. Resume primary vm
   d. Read CHECKPOINT_SVM_RESUMED from slave
4. Wait a new checkpoint
   a. Wait a new checkpoint(not implemented)
   b. Send CHECKPOINT_NEW to slave

Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Yang Hongyang <hongyang.yang@easystack.cn>
Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
 2016-04-01 11:07:28 +08:00