From: Ian Jackson <Ian.Jackson@eu.citrix.com>
To: Changlong Xie <xiecl.fnst@cn.fujitsu.com>
Cc: Lars Kurth <lars.kurth@citrix.com>,
Li Zhijian <lizhijian@cn.fujitsu.com>,
Wei Liu <wei.liu2@citrix.com>,
Ian Campbell <ian.campbell@citrix.com>,
Wen Congyang <wency@cn.fujitsu.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Jiang Yunhong <yunhong.jiang@intel.com>,
Dong Eddie <eddie.dong@intel.com>,
xen devel <xen-devel@lists.xen.org>,
Anthony Perard <anthony.perard@citrix.com>,
Gui Jianfeng <guijianfeng@cn.fujitsu.com>,
Shriram Rajagopalan <rshriram@cs.ubc.ca>,
Yang Hongyang <hongyang.yang@easystack.cn>
Subject: Re: [PATCH v13 12/26] secondary vm suspend/resume/checkpoint code
Date: Wed, 30 Mar 2016 15:07:36 +0100 [thread overview]
Message-ID: <22267.56744.42730.204400@mariner.uk.xensource.com> (raw)
In-Reply-To: <1458888273-7469-13-git-send-email-xiecl.fnst@cn.fujitsu.com>
Changlong Xie writes ("[PATCH v13 12/26] secondary vm suspend/resume/checkpoint code"):
> From: Wen Congyang <wency@cn.fujitsu.com>
>
> Secondary vm is running in colo mode. So we will do
> the following things again and again:
> 1. Resume secondary vm
> a. Send CHECKPOINT_SVM_READY to master.
> b. If it is not the first resume, call libxl__checkpoint_devices_preresume().
> c. If it is the first resume(resume right after live migration),
> - call libxl__xc_domain_restore_done() to build the secondary vm.
> - enable secondary vm's logdirty.
> - call libxl__domain_resume() to resume secondary vm.
> - call libxl__checkpoint_devices_setup() to setup checkpoint devices.
> d. Send CHECKPOINT_SVM_RESUMED to master.
> 2. Wait a new checkpoint
> a. Call libxl__checkpoint_devices_commit().
> b. Read CHECKPOINT_NEW from master.
> 3. Suspend secondary vm
> a. Suspend secondary vm.
> b. Call libxl__checkpoint_devices_postsuspend().
> c. Send CHECKPOINT_SVM_SUSPENDED to master.
> 4. Checkpoint
> a. Read emulator xenstore data and emulator context
> b. REC_TYPE_CHECKPOINT_END
>
> 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>
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next prev parent reply other threads:[~2016-03-30 14:07 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-25 6:44 [PATCH v13 00/26] COarse-grain LOck-stepping Virtual Machines for Non-stop Service Changlong Xie
2016-03-25 6:44 ` [PATCH v13 01/26] tools/libxl: introduction of libxl__qmp_restore to load qemu state Changlong Xie
2016-03-25 6:44 ` [PATCH v13 02/26] tools/libxl: introduce libxl__domain_common_switch_qemu_logdirty() Changlong Xie
2016-03-25 6:44 ` [PATCH v13 03/26] tools/libxl: Add back channel to allow migration target send data back Changlong Xie
2016-04-04 12:07 ` Olaf Hering
2016-04-04 13:02 ` Wei Liu
2016-04-04 15:29 ` Olaf Hering
2016-03-25 6:44 ` [PATCH v13 04/26] tools/libxl: Introduce new helper function dup_fd_helper() Changlong Xie
2016-03-25 6:44 ` [PATCH v13 05/26] tools/libx{l, c}: add back channel to libxc Changlong Xie
2016-03-25 6:44 ` [PATCH v13 06/26] docs: add colo readme Changlong Xie
2016-03-25 6:44 ` [PATCH v13 07/26] docs/libxl: Introduce CHECKPOINT_CONTEXT to support migration v2 colo streams Changlong Xie
2016-03-25 6:44 ` [PATCH v13 08/26] libxc/migration: Specification update for DIRTY_PFN_LIST records Changlong Xie
2016-03-25 6:44 ` [PATCH v13 09/26] libxc/migration: export read_record for common use Changlong Xie
2016-03-25 6:44 ` [PATCH v13 10/26] tools/libxl: add back channel support to write stream Changlong Xie
2016-03-25 6:44 ` [PATCH v13 11/26] tools/libxl: add back channel support to read stream Changlong Xie
2016-03-25 6:44 ` [PATCH v13 12/26] secondary vm suspend/resume/checkpoint code Changlong Xie
2016-03-30 14:07 ` Ian Jackson [this message]
2016-03-25 6:44 ` [PATCH v13 13/26] libxl_internal: move stream read manipulations to right place Changlong Xie
2016-03-25 6:44 ` [PATCH v13 14/26] primary vm suspend/resume/checkpoint code Changlong Xie
2016-03-30 14:10 ` Ian Jackson
2016-03-25 6:44 ` [PATCH v13 15/26] libxc/restore: support COLO restore Changlong Xie
2016-03-25 6:44 ` [PATCH v13 16/26] libxc/save: support COLO save Changlong Xie
2016-03-25 6:44 ` [PATCH v13 17/26] implement the cmdline for COLO Changlong Xie
2016-03-25 6:44 ` [PATCH v13 18/26] COLO: introduce new API to prepare/start/do/get_error/stop replication Changlong Xie
2016-03-25 6:44 ` [PATCH v13 19/26] Introduce COLO mode and refactor relevant function Changlong Xie
2016-03-25 6:44 ` [PATCH v13 20/26] Support colo mode for qemu disk Changlong Xie
2016-03-28 3:46 ` [PATCH v13.1 " Changlong Xie
2016-03-30 14:17 ` Ian Jackson
2016-03-30 14:36 ` Ian Jackson
2016-03-25 6:44 ` [PATCH v13 21/26] COLO: use qemu block replication Changlong Xie
2016-03-25 6:44 ` [PATCH v13 22/26] COLO proxy: implement setup/teardown/preresume/postresume/checkpoint Changlong Xie
2016-03-25 6:44 ` [PATCH v13 23/26] COLO nic: implement COLO nic subkind Changlong Xie
2016-03-25 12:56 ` Wei Liu
2016-03-28 3:46 ` [PATCH v13.1 " Changlong Xie
2016-03-30 14:22 ` Ian Jackson
2016-03-30 14:38 ` Ian Jackson
2016-03-30 14:40 ` Ian Jackson
2016-03-25 6:44 ` [PATCH v13 24/26] setup and control colo proxy on primary side Changlong Xie
2016-03-25 6:44 ` [PATCH v13 25/26] setup and control colo proxy on secondary side Changlong Xie
2016-03-30 14:24 ` Ian Jackson
2016-03-31 2:19 ` Changlong Xie
2016-03-25 6:44 ` [PATCH v13 26/26] cmdline switches and config vars to control colo-proxy Changlong Xie
2016-03-28 3:47 ` [PATCH v13.1 " Changlong Xie
2016-03-30 14:28 ` Ian Jackson
2016-03-30 14:42 ` Ian Jackson
2016-03-25 15:51 ` [PATCH v13 00/26] COarse-grain LOck-stepping Virtual Machines for Non-stop Service Wei Liu
2016-03-28 3:52 ` Changlong Xie
2016-03-30 14:52 ` Ian Jackson
2016-03-30 14:50 ` Ian Jackson
2016-03-31 1:26 ` Wen Congyang
2016-03-31 2:28 ` Changlong Xie
2016-03-31 14:22 ` Wei Liu
2016-04-01 1:59 ` Changlong Xie
2016-04-01 13:47 ` Ian Jackson
2016-04-01 14:37 ` Changlong Xie
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