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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [qemu-xen master] docs: fix COLO architecture diagram
commit a38299bf431a891c0a21a77199e7148c0983413e
Author: Zhang Chen <zhangchen.fnst@xxxxxxxxxxxxxx>
AuthorDate: Tue Nov 1 11:38:12 2016 +0800
Commit: Jason Wang <jasowang@xxxxxxxxxx>
CommitDate: Tue Nov 15 15:36:21 2016 +0800
docs: fix COLO architecture diagram
Fix COLO-Proxy part of COLO architecture diagram
Signed-off-by: Zhang Chen <zhangchen.fnst@xxxxxxxxxxxxxx>
Reviewed-by: zhanghailiang <zhang.zhanghailiang@xxxxxxxxxx>
Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
---
docs/COLO-FT.txt | 72 +++++++++++++++++++++++++++++---------------------------
1 file changed, 37 insertions(+), 35 deletions(-)
diff --git a/docs/COLO-FT.txt b/docs/COLO-FT.txt
index 6282938..e289be2 100644
--- a/docs/COLO-FT.txt
+++ b/docs/COLO-FT.txt
@@ -41,41 +41,43 @@ identical responses to all client requests. Once the
differences in the outputs
are detected between the PVM and SVM, COLO withholds transmission of the
outbound packets until it has successfully synchronized the PVM state to the
SVM.
- Primary Node
Secondary Node
- +------------+ +-----------------------+ +------------------------+
+------------+
- | | | HeartBeat |<----->| HeartBeat | |
|
- | Primary VM | +-----------|-----------+ +-----------|------------+
|Secondary VM|
- | | | | |
|
- | | +-----------|-----------+ +-----------|------------+ |
|
- | | |QEMU +---v----+ | |QEMU +----v---+ | |
|
- | | | |Failover| | | |Failover| | |
|
- | | | +--------+ | | +--------+ | |
|
- | | | +---------------+ | | +---------------+ | |
|
- | | | | VM Checkpoint |-------------->| VM Checkpoint | | |
|
- | | | +---------------+ | | +---------------+ | |
|
- | | | | | | |
|
-
|Requests<---------------------------^------------------------------------------>Requests|
- |Responses----------------------\ /--|--------------\
/------------------------Responses|
- | | | | | | | | | | | |
|
- | | | +-----------+ | | | | | | | +------------+ | |
|
- | | | | COLO disk | | | | | | | | | COLO disk | | |
|
- | | | | Manager |-|-|--|--------------|--|->| Manager | | |
|
- | | | +|----------+ | | | | | | | +-----------|+ | |
|
- | | | | | | | | | | | | | |
|
- +------------+ +--|------------|-|--|--+ +---|--|--------------|--+
+------------+
- | | | | | | |
- +-------------+ | +----------v-v--|--+ +---|--v-----------+ |
+-------------+
- | VM Monitor | | | COLO Proxy | | COLO Proxy | | |
VM Monitor |
- | | | |(compare packet) | | (adjust sequence)| | |
|
- +-------------+ | +----------|----^--+ +------------------+ |
+-------------+
- | | | |
- +------------------|------------|----|--+
+---------------------|------------------+
- | Kernel | | | | | Kernel |
|
- +------------------|------------|----|--+
+---------------------|------------------+
- | | | |
- +--------------v+ +--------v----|--+ +------------------+
+v-------------+
- | Storage | |External Network| | External Network | |
Storage |
- +---------------+ +----------------+ +------------------+
+--------------+
+ Primary Node
Secondary Node
++------------+ +-----------------------+ +------------------------+
+------------+
+| | | HeartBeat +<----->+ HeartBeat | |
|
+| Primary VM | +-----------+-----------+ +-----------+------------+
|Secondary VM|
+| | | | |
|
+| | +-----------|-----------+ +-----------|------------+ |
|
+| | |QEMU +---v----+ | |QEMU +----v---+ | |
|
+| | | |Failover| | | |Failover| | |
|
+| | | +--------+ | | +--------+ | |
|
+| | | +---------------+ | | +---------------+ | |
|
+| | | | VM Checkpoint +-------------->+ VM Checkpoint | | |
|
+| | | +---------------+ | | +---------------+ | |
|
+|Requests<--------------------------\ /-----------------\
/--------------------->Requests|
+| | | ^ ^ | | | | | |
|
+|Responses+---------------------\ /-|-|------------\
/-------------------------+Responses|
+| | | | | | | | | | | | | | |
|
+| | | +-----------+ | | | | | | | | | | +----------+ | |
|
+| | | | COLO disk | | | | | | | | | | | | COLO disk| | |
|
+| | | | Manager +---------------------------->| Manager | | |
|
+| | | ++----------+ v v | | | | | v v | +---------++ | |
|
+| | | |+-----------+-+-+-++| | ++-+--+-+---------+ | | |
|
+| | | || COLO Proxy || | | COLO Proxy | | | |
|
+| | | || (compare packet || | |(adjust sequence | | | |
|
+| | | ||and mirror packet)|| | | and ACK) | | | |
|
+| | | |+------------+---+-+| | +-----------------+ | | |
|
++------------+ +-----------------------+ +------------------------+
+------------+
++------------+ | | | |
+------------+
+| VM Monitor | | | | | |
VM Monitor |
++------------+ | | | |
+------------+
++---------------------------------------+
+----------------------------------------+
+| Kernel | | | | | Kernel |
|
++---------------------------------------+
+----------------------------------------+
+ | | | |
+ +--------------v+ +---------v---+--+ +------------------+
+v-------------+
+ | Storage | |External Network| | External Network | |
Storage |
+ +---------------+ +----------------+ +------------------+
+--------------+
+
== Components introduction ==
--
generated by git-patchbot for /home/xen/git/qemu-xen.git#master
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