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[Qemu-devel] [PATCH] docs: fix COLO architecture diagram
From: |
Zhang Chen |
Subject: |
[Qemu-devel] [PATCH] docs: fix COLO architecture diagram |
Date: |
Tue, 1 Nov 2016 11:38:12 +0800 |
Fix COLO-Proxy part of COLO architecture diagram
Signed-off-by: Zhang Chen <address@hidden>
---
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 ==
--
2.7.4
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