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RCPT_COUNT_SEVEN(0.00)[11]; MISSING_XM_UA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:mid,suse.de:dkim,suse.de:email] X-Rspamd-Queue-Id: 701645BD8B X-Rspamd-Action: no action X-Rspamd-Server: rspamd2.dmz-prg2.suse.org Received-SPF: pass client-ip=195.135.223.131; envelope-from=farosas@suse.de; helo=smtp-out2.suse.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Lukas Straub writes: > Signed-off-by: Lukas Straub > --- > docs/system/qemu-colo.rst | 35 ++++++++++++++++++----------------- > 1 file changed, 18 insertions(+), 17 deletions(-) > > diff --git a/docs/system/qemu-colo.rst b/docs/system/qemu-colo.rst > index 4b5fbbf398f8a5c4ea6baad615bde94b2b4678d2..a70e61aa09391cda933031535= fa982d27cf6654b 100644 > --- a/docs/system/qemu-colo.rst > +++ b/docs/system/qemu-colo.rst > @@ -1,13 +1,6 @@ > Qemu COLO Fault Tolerance > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D >=20=20 > -| Copyright (c) 2016 Intel Corporation > -| Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD. > -| Copyright (c) 2016 Fujitsu, Corp. > - > -This work is licensed under the terms of the GNU GPL, version 2 or later. > -See the COPYING file in the top-level directory. > - > This document gives an overview of COLO's design and how to use it. >=20=20 > Background > @@ -82,8 +75,8 @@ Overview:: > | Storage | |External Network| | External Network |= | Storage | > +---------------+ +----------------+ +------------------+= +--------------+ >=20=20 > -Components introduction > -^^^^^^^^^^^^^^^^^^^^^^^ > +Components > +^^^^^^^^^^ > You can see there are several components in COLO's diagram of architectu= re. > Their functions are described below. >=20=20 > @@ -157,14 +150,21 @@ in test procedure. >=20=20 > Test procedure > -------------- > -Note: Here we are running both instances on the same host for testing, > + > +Setup > +^^^^^ > + > +Here we are running both instances on the same host for testing, > change the IP Addresses if you want to run it on two hosts. Initially > ``127.0.0.1`` is the Primary Host and ``127.0.0.2`` is the Secondary Hos= t. >=20=20 > +COLO uses double the guest ram size on the secondary side. The Qemu vers= ion > +should be the same on both hosts. > + > Startup qemu > ^^^^^^^^^^^^ > **1. Primary**: > -Note: Initially, ``$imagefolder/primary.qcow2`` needs to be copied to al= l hosts. > +Initially, ``$imagefolder/primary.qcow2`` needs to be copied to all host= s. > You don't need to change any IP's here, because ``0.0.0.0`` listens on a= ny > interface. The chardev's with ``127.0.0.1`` IP's loopback to the local q= emu > instance:: > @@ -192,7 +192,7 @@ instance:: >=20=20 >=20=20 > **2. Secondary**: > -Note: Active and hidden images need to be created only once and the > +Active and hidden images need to be created only once and the > size should be the same as ``primary.qcow2``. Again, you don't need to c= hange > any IP's here, except for the ``$primary_ip`` variable:: >=20=20 > @@ -353,8 +353,9 @@ Wait until disk is synced, then:: > {"execute": "migrate-set-capabilities", "arguments":{ "capabilities"= : [ {"capability": "x-colo", "state": true } ] } } > {"execute": "migrate", "arguments":{ "uri": "tcp:127.0.0.1:9998" } } >=20=20 > -TODO > ----- > -1. Support shared storage. > -2. Develop the heartbeat part. > -3. Reduce checkpoint VM=E2=80=99s downtime while doing checkpoint. > +| Copyright (c) 2016 Intel Corporation > +| Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD. > +| Copyright (c) 2016 Fujitsu, Corp. > + > +This work is licensed under the terms of the GNU GPL, version 2 or later. > +See the COPYING file in the top-level directory. Reviewed-by: Fabiano Rosas