Re: [Qemu-devel] Qemu and Changed Block Tracking

2017-02-27 Thread John Snow
On 02/24/2017 04:44 PM, Eric Blake wrote: > On 02/24/2017 03:31 PM, John Snow wrote: >>> >>> But the Backup Server could instead connect to the NAS directly avoiding >>> load on the frontent LAN >>> and the Qemu Node. >>> >> >> In a live backup I don't see how you will be removing QEMU from the d

Re: [Qemu-devel] Qemu and Changed Block Tracking

2017-02-27 Thread Eric Blake
On 02/26/2017 02:41 PM, Peter Lieven wrote: > The live-snapshot/live-commit stuff could indeed help in my scenario. If I > understand correctly this is > something that already works today, correct? If I have taken a live-snapshot, > is live-migration and > stop/start of the VM still possible? Wh

Re: [Qemu-devel] Qemu and Changed Block Tracking

2017-02-26 Thread Peter Lieven
> Am 24.02.2017 um 22:44 schrieb Eric Blake : > > On 02/24/2017 03:31 PM, John Snow wrote: >>> >>> But the Backup Server could instead connect to the NAS directly avoiding >>> load on the frontent LAN >>> and the Qemu Node. >>> >> >> In a live backup I don't see how you will be removing QEMU f

Re: [Qemu-devel] Qemu and Changed Block Tracking

2017-02-24 Thread Eric Blake
On 02/24/2017 03:31 PM, John Snow wrote: >> >> But the Backup Server could instead connect to the NAS directly avoiding >> load on the frontent LAN >> and the Qemu Node. >> > > In a live backup I don't see how you will be removing QEMU from the data > transfer loop. QEMU is the only process that k

Re: [Qemu-devel] Qemu and Changed Block Tracking

2017-02-24 Thread John Snow
On 02/23/2017 09:27 AM, Peter Lieven wrote: > Am 22.02.2017 um 13:32 schrieb Eric Blake: >> On 02/22/2017 02:45 AM, Peter Lieven wrote: A bit outdated now, but: http://wiki.qemu-project.org/Features/IncrementalBackup and also a summary I wrote not too far back (PDF): http

Re: [Qemu-devel] Qemu and Changed Block Tracking

2017-02-24 Thread Peter Lieven
Am 23.02.2017 um 20:34 schrieb John Snow: > > On 02/23/2017 09:29 AM, Peter Lieven wrote: >> Am 22.02.2017 um 22:17 schrieb John Snow: >>> On 02/22/2017 03:45 AM, Peter Lieven wrote: Am 21.02.2017 um 22:13 schrieb John Snow: > On 02/21/2017 07:43 AM, Peter Lieven wrote: >> Hi, >> >

Re: [Qemu-devel] Qemu and Changed Block Tracking

2017-02-23 Thread John Snow
On 02/23/2017 09:29 AM, Peter Lieven wrote: > Am 22.02.2017 um 22:17 schrieb John Snow: >> >> On 02/22/2017 03:45 AM, Peter Lieven wrote: >>> Am 21.02.2017 um 22:13 schrieb John Snow: On 02/21/2017 07:43 AM, Peter Lieven wrote: > Hi, > > > is there anyone ever thought about i

Re: [Qemu-devel] Qemu and Changed Block Tracking

2017-02-23 Thread Peter Lieven
Am 22.02.2017 um 22:17 schrieb John Snow: On 02/22/2017 03:45 AM, Peter Lieven wrote: Am 21.02.2017 um 22:13 schrieb John Snow: On 02/21/2017 07:43 AM, Peter Lieven wrote: Hi, is there anyone ever thought about implementing something like VMware CBT in Qemu? https://kb.vmware.com/selfserv

Re: [Qemu-devel] Qemu and Changed Block Tracking

2017-02-23 Thread Peter Lieven
Am 22.02.2017 um 13:32 schrieb Eric Blake: On 02/22/2017 02:45 AM, Peter Lieven wrote: A bit outdated now, but: http://wiki.qemu-project.org/Features/IncrementalBackup and also a summary I wrote not too far back (PDF): https://drive.google.com/file/d/0B3CFr1TuHydWalVJaEdPaE5PbFE and I'm sure t

Re: [Qemu-devel] Qemu and Changed Block Tracking

2017-02-22 Thread John Snow
On 02/22/2017 03:45 AM, Peter Lieven wrote: > > Am 21.02.2017 um 22:13 schrieb John Snow: >> >> On 02/21/2017 07:43 AM, Peter Lieven wrote: >>> Hi, >>> >>> >>> is there anyone ever thought about implementing something like VMware >>> CBT in Qemu? >>> >>> >>> https://kb.vmware.com/selfservice/mic

Re: [Qemu-devel] Qemu and Changed Block Tracking

2017-02-22 Thread Eric Blake
On 02/22/2017 02:45 AM, Peter Lieven wrote: >> A bit outdated now, but: >> http://wiki.qemu-project.org/Features/IncrementalBackup >> >> and also a summary I wrote not too far back (PDF): >> https://drive.google.com/file/d/0B3CFr1TuHydWalVJaEdPaE5PbFE >> >> and I'm sure the Virtuozzo developers cou

Re: [Qemu-devel] Qemu and Changed Block Tracking

2017-02-22 Thread Peter Lieven
Am 21.02.2017 um 22:13 schrieb John Snow: > > On 02/21/2017 07:43 AM, Peter Lieven wrote: >> Hi, >> >> >> is there anyone ever thought about implementing something like VMware >> CBT in Qemu? >> >> >> https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=10

Re: [Qemu-devel] Qemu and Changed Block Tracking

2017-02-21 Thread John Snow
On 02/21/2017 07:43 AM, Peter Lieven wrote: > Hi, > > > is there anyone ever thought about implementing something like VMware > CBT in Qemu? > > > https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1020128 > > > > Thanks, > Peter > > A bit out

Re: [Qemu-devel] Qemu and Changed Block Tracking

2017-02-21 Thread Eric Blake
On 02/21/2017 06:43 AM, Peter Lieven wrote: > Hi, > > > is there anyone ever thought about implementing something like VMware > CBT in Qemu? > > > https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1020128 Yes; in fact, the work on persistent dirty b