Re: [openstack-dev] [nova] Nova and LVM thin support

2014-04-21 Thread Luohao (brian)
Just for live snapshot, my understanding is the instance state will not be saved. From: Cristian Tomoiaga [] Sent: Sunday, April 20, 2014 6:20 PM To: Subject: [openstack-dev] [nova] Nova and LVM thin support Hello everyone, Before

Re: [openstack-dev] Efficient image cloning implementation in NetApp nfs drivers // make this part of base NFS driver

2014-04-14 Thread Luohao (brian)
Nice idea. Actually, fast image cloning has been widely supported by most NAS devices, and VMware VAAI also started to require this criteria many years ago. However, I am not quite sure what exactly need to put into the base NFS driver, anyways, the fast cloning api will vary for specific

Re: [openstack-dev] [nova] Dynamic scheduling

2014-04-10 Thread Luohao (brian)
Is it a same thing like openstack-neat project? I am curious about why Neat was not accepted previously. -Hao From: Oleg Gelbukh [] Sent: Thursday, April 10, 2014 3:48 PM To: OpenStack Development Mailing List (not for usage questions)

Re: [openstack-dev] [nova] SR-IOV and IOMMU check

2014-04-01 Thread Luohao (brian)
/PCI_passthrough_SRIOV_support - Hao -Original Message- From: Daniel P. Berrange [] Sent: Tuesday, April 01, 2014 1:58 PM To: Luohao (brian) Cc: OpenStack Development Mailing List (not for usage questions); Jinbo (Justin) Subject: Re: [openstack-dev] [nova] SR-IOV and IOMMU

Re: [openstack-dev] [nova] SR-IOV and IOMMU check

2014-03-31 Thread Luohao (brian)
Now, VFIO hasn't been made generally supported by most enterprise linux distributions, and as I know, the current pci passthrough /SR-IOV implementation is still based on a historical approach. Probably we can consider the switch to VFIO framework in later releases. -Original Message-

[openstack-dev] 答复: New stackforge project: Openstackdroid

2014-03-30 Thread Luohao (brian)
It’s a nice idea. I am not quite familiar with android native app development, but I have some experience on mobile webapps based on jqm and phonegap. I am a little curious to know whether Openstackdroid can use a mobile webapp infrastructure so it is portable across different mobile

Re: [openstack-dev] [nova] SR-IOV and IOMMU check

2014-03-28 Thread Luohao (brian)
This is the approach mentioned by 3. reboot and verify that your system has IOMMU support AMD Machine dmesg | grep AMD-Vi ... AMD-Vi: Enabling IOMMU at :00:00.2 cap 0x40 AMD-Vi: Lazy IO/TLB

Re: [openstack-dev] Disaster Recovery for OpenStack - call for stakeholder

2014-03-13 Thread Luohao (brian)
1. fsfreeze with vss has been added to qemu upstream, see for usage. 2. libvirt allows a client to send any commands to qemu-ga, see 3. linux fsfreeze is not equivalent to windows

[openstack-dev] 答复: [OSSN] Live migration instructions recommend unsecured libvirt remote access

2014-03-07 Thread Luohao (brian)
Nathan, I have another idea of allowing vm migration without need for remote access to libvirt daemon between compute servers. As I know, vm migration data path can be independent with libvirt daemon. For example, libvirt supports delegating vm migration to the hypervisor. When a vm