[Qemu-discuss] Qemu with Microsoft VSS

2014-12-16 Thread xuanmao_001
I use the qemu guest agent, and freeze filesystem with vss, but I don't know what can vss do? use in which scenario ? anyone explain to me, thanks! xuanmao_001

Re: [Qemu-discuss] Why do additional cores reduce performance?

2014-12-16 Thread Paolo Bonzini
On 16/12/2014 00:40, Oleg Ovechko wrote: > A. Host Windows, 6 cores (no HT, turbo boost off): 6:23 (+- 10 secs) > B. Host Windows, 1 CPU core (other are turned off in BIOS): 7:13 (+-10 secs) > C. Host 1 core, Guest Windows 1 core: 7:15 - same as B, no degradation > D. Host 6 cores, Guest Windows

Re: [Qemu-discuss] Why do additional cores reduce performance?

2014-12-16 Thread Oleg Ovechko
> What is your benchmark? I've tried different ways (CrystalDiskMark 3.0.3 x64, ATTO Disk Banchmark v2.47) all give same result. The numbers I've provided in 1st mail are for 100G file copied over. I simply subtract stop and start times. 50 seconds is so huge difference (three sigma rule gives 10

Re: [Qemu-discuss] Why do additional cores reduce performance?

2014-12-16 Thread Paolo Bonzini
On 16/12/2014 17:22, Oleg Ovechko wrote: >> What is your benchmark? > > I've tried different ways (CrystalDiskMark 3.0.3 x64, ATTO Disk > Banchmark v2.47) all give same result. All are run on the AHCI passthrough disk(s), right? > When everything is enabled in BIOS it is 6:23 on real Windows v

[Qemu-discuss] how to access instance emulated through qemu

2014-12-16 Thread Srinivasreddy R
hi, i have an vm-image.img . i used to launch my virtual machine through qemu and access it through vncviwer . now i dont want to use vncviwer . now my question is 1. if i want to access my instance launched with the below command .How can i do that . 2. can i assign an ip address to the interfac