From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Zhang Haoyu" Subject: Re: [question] incremental backup a running vm Date: Mon, 26 Jan 2015 09:07:59 +0800 Message-ID: <201501260907583380898@sangfor.com.cn> References: <201501211832330964659@sangfor.com.cn>, <54BF81F0.9070908@redhat.com>, <20150122232948.GQ12638@tesla.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 Cc: "qemu-devel" , "kvm" , "Stefan Hajnoczi" , "Fam Zheng" To: "Kashyap Chamarthy" , "Paolo Bonzini" Return-path: Received: from smtp.sanfor.com ([58.251.49.30]:48278 "EHLO mail.sangfor.com.cn" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751525AbbAZBIG (ORCPT ); Sun, 25 Jan 2015 20:08:06 -0500 Sender: kvm-owner@vger.kernel.org List-ID: DQpPbiAyMDE1LTAxLTIzIDA3OjMwOjE5LCBLYXNoeWFwIENoYW1hcnRoeSB3cm90ZToNCj5PbiBX ZWQsIEphbiAyMSwgMjAxNSBhdCAxMTozOTo0NEFNICswMTAwLCBQYW9sbyBCb256aW5pIHdyb3Rl Og0KPiA+IA0KPiA+IA0KPiA+IE9uIDIxLzAxLzIwMTUgMTE6MzIsIFpoYW5nIEhhb3l1IHdyb3Rl Og0KPiA+ID4gSGksDQo+PiA+IA0KPiA+ID4gRG9lcyBkcml2ZV9taXJyb3Igc3VwcG9ydCBpbmNy ZW1lbnRhbCBiYWNrdXAgYSBydW5uaW5nIHZtPw0KPiA+ID4gT3Igb3RoZXIgbWVjaGFuaXNtIGRv ZXM/DQo+ID4gPiANCj4+ID4gaW5jcmVtZW50YWwgYmFja3VwIGEgcnVubmluZyB2bSByZXF1aXJl bWVudHM6DQo+ID4gPiBGaXJzdCB0aW1lIGJhY2t1cCwgYWxsIG9mIHRoZSBhbGxvY2F0ZWQgZGF0 YSB3aWxsIGJlIG1pcnJvcmVkIHRvIGRlc3RpbmF0aW9uLA0KPiA+ID4gdGhlbiBhIGNvcGllZCBi aXRtYXAgd2lsbCBiZSBzYXZlZCB0byBhIGZpbGUsIHRoZW4gdGhlIGJpdG1hcCBmaWxlIHdpbGwg bG9nIGRpcnR5IGZvcg0KPiA+ID4gdGhlIGNoYW5nZWQgZGF0YS4NCj4gPiA+IE5leHQgdGltZSBi YWNrdXAsIG9ubHkgdGhlIGRpcnR5IGRhdGEgd2lsbCBiZSBtaXJyb3JlZCB0byBkZXN0aW5hdGlv bi4NCj4+ID4gRXZlbiB0aGUgVk0gc2h1dGRvd24gYW5kIHN0YXJ0IGFmdGVyIHNldmVyYWwgZGF5 cywNCj4gPiA+IHRoZSBiaXRtYXAgd2lsbCBiZSBsb2FkZWQgd2hpbGUgc3RhcnRpbmcgdm0uDQo+ ID4gPiBBbnkgaWRlYXM/DQo+ID4gDQo+PiBEcml2ZS1taXJyb3IgaXMgZm9yIHN0b3JhZ2UgbWln cmF0aW9uLiAgRm9yIGJhY2t1cCB0aGVyZSBpcyBhbm90aGVyIGpvYiwNCj4gPiBkcml2ZS1iYWNr dXAuICBkcml2ZS1iYWNrdXAgY29waWVzIGEgcG9pbnQtaW4tdGltZSBzbmFwc2hvdCBvZiBvbmUg b3INCj4gPiBtb3JlIGRpc2tzIGNvcnJlc3BvbmRpbmcgdG8gd2hlbiB0aGUgYmFja3VwIHdhcyBz dGFydGVkLg0KPiANCj4gWmhhbmcsIEkndmUgYmVlbiB0ZXN0aW5nIHRoZSBgZHJpdmUtYmFja3Vw YCBjb21tYW5kIHZpYSBRTVAgZm9yIGEgbGl0dGxlDQo+d2hpbGUsIGFuZCBpdCB3b3JrcyByZWFz b25hYmx5IHdlbGwuIElmIHlvdSdkIGxpa2UgdG8gdGVzdCBpdCB5b3UgY2FuDQo+IHF1aWNrbHkg dHJ5IGFzIGJlbG93LCBvbmNlIHlvdSBoYXZlIGEgUUVNVSBpbnN0YW5jZSBydW5pbmcgd2l0aCBR TVANCj4gKEkgaW52b2tlIG15IFFFTVUgaW5zdGFuY2VzIHdpdGggJy1xbXAgdGNwOmxvY2FsaG9z dDo0NDQ0LHNlcnZlcicpLg0KPiANCkhpLCBLYXNoeWFwDQpJJ3ZlIHRyaWVkIKGuZHJpdmVfYmFj a3Vwoa8gdmlhIFFNUCwNCmJ1dCB0aGUgc25hcHNob3RzIHdlcmUgbWlzc2VkIHRvIGJhY2t1cCB0 byBkZXN0aW5hdGlvbiwNCkkgdGhpbmsgdGhlIHJlYXNvbiBpcyB0aGF0IGJhY2t1cF9ydW4oKSBv bmx5IGNvcHkgdGhlDQpndWVzdCBkYXRhIHJlZ2FyZGluZyBxY293MiBpbWFnZS4NCg0KVGhhbmtz LA0KWmhhbmcgSGFveXUNCj5UaGUgYmVsb3cgc2NyaXB0IGludm9rZXMgdGhlICdkcml2ZS1iYWNr dXAnIFFNUCBjb21tYW5kIChFbnN1cmUgeW91J3JlDQo+IHVzaW5nIHRoZSBjb3JyZWN0IGRpc2ss IHlvdXIgZGlzayBJRCBtaWdodCBiZSAnZHJpdmUtdmlydGlvLWRpc2sxJyA6LSkgKQ0KPiAtLS0t LS0tLS0tLS0tLS0tLQ0KPiAjIS9iaW4vYmFzaA0KPiBzZXQgLXgNCj5leGVjIDM8Pi9kZXYvdGNw L2xvY2FsaG9zdC80NDQ0DQo+IGVjaG8gLWUgInsgJ2V4ZWN1dGUnOiAncW1wX2NhcGFiaWxpdGll cycgfSIgPiYzDQo+IHJlYWQgcmVzcG9uc2UgPCYzDQo+IGVjaG8gJHJlc3BvbnNlDQo+ZWNobyAt ZSAieyAnZXhlY3V0ZSc6ICdkcml2ZS1iYWNrdXAnLCAnYXJndW1lbnRzJzoNCj4gICAgICAgeyAn ZGV2aWNlJzogJ2RyaXZlLXZpcnRpby1kaXNrMCcsICdzeW5jJzogJ2Z1bGwnLCAndGFyZ2V0JzoN Cj4gICAgICAgJy9leHBvcnQvYmFja3VwLW9mLXZtMS5xY293MicsICdtb2RlJzogJ2Fic29sdXRl LXBhdGhzJywgJ2Zvcm1hdCc6ICdxY293MicgfSB9IiA+JjMNCj4gcmVhZCByZXNwb25zZSA8JjMN Cj4gZWNobyAkcmVzcG9uc2UNCj4tLS0tLS0tLS0tLS0tLS0tLQ0KPiANCj4gT25jZSB0aGUgYWJv dmUgaXMgaW52b2tlZCBzdWNjZXNmdWxseSwgeW91IGNhbiBzZWUgdGhlIHN1Y2Nlc3Mgb2YgdGhl DQo+IGNvbW1hbmQgb24gdGhlIHNoZWxsIHdoZXJlIHlvdXIgUU1QIHNlcnZlciBpcyBydW5uaW5n Og0KPi0tLS0tLS0tLS0tLS0tLS0tDQo+IFsuIC4gLl0NCj4gY2hhciBkZXZpY2UgcmVkaXJlY3Rl ZCB0byAvZGV2L3B0cy84IChsYWJlbCBjaGFyc2VyaWFsMCkNCj4gUUVNVSB3YWl0aW5nIGZvciBj b25uZWN0aW9uIG9uOiBkaXNjb25uZWN0ZWQ6dGNwOmxvY2FsaG9zdDo0NDQ0LHNlcnZlcg0KPiBG b3JtYXR0aW5nICcvZXhwb3J0L2JhY2t1cC1vZi12bTEucWNvdzInLCBmbXQ9cWNvdzIgc2l6ZT01 MzY4NzA5MTIwMCBlbmNyeXB0aW9uPW9mZiBjbHVzdGVyX3NpemU9NjU1MzYgbGF6eV9yZWZjb3Vu dHM9b2ZmIA0KPi0tLS0tLS0tLS0tLS0tLS0tDQo+IA0KPiANCj4gPiBJbmNyZW1lbnRhbCBiYWNr dXAgaXMgYmVpbmcgd29ya2VkIG9uLiAgWW91IGNhbiBzZWUgcGF0Y2hlcyBvbiB0aGUgbGlzdC4N Cj4gDQo+IA0KPiAtLSANCj4gL2thc2h5YXANCg==