Re: [libvirt-users] OVS / KVM / libvirt / MTU

2019-07-29 Thread Michal Privoznik
On 7/23/19 8:00 PM, Sven Vogel wrote: Hey there, I hope anyone can bring some light in the following problem. we have an base bridge for example and cloudbr0. After we add an mtu to the vm bridge here it seems the base bridge gets the same mtu like the vnet adapter. Is this

[libvirt-users] Why librbd disallow VM live migration if the disk cache mode is not none or directsync

2019-07-29 Thread Ming-Hung Tsai
I'm curious that why librbd sets this limitation? The rule first appeared in librbd.git commit d57485f73ab. Theoretically, a write-through cache is also safe for VM migration, if the cache implementation guarantees that cache invalidation and disk write are synchronous operations. For example,

Re: [libvirt-users] Why librbd disallow VM live migration if the disk cache mode is not none or directsync

2019-07-29 Thread Michal Privoznik
On 7/29/19 3:51 AM, Ming-Hung Tsai wrote: I'm curious that why librbd sets this limitation? The rule first appeared in librbd.git commit d57485f73ab. Theoretically, a write-through cache is also safe for VM migration, if the cache implementation guarantees that cache invalidation and disk write

Re: [libvirt-users] Why librbd disallow VM live migration if the disk cache mode is not none or directsync

2019-07-29 Thread Ming-Hung Tsai
Sorry, the title and content are wrong. I mean libvirt, not librbd. Ming-Hung Tsai : > > I'm curious that why librbd sets this limitation? The rule first > appeared in librbd.git commit d57485f73ab. Theoretically, a > write-through cache is also safe for VM migration, if the cache >

[libvirt-users] virsh command to list CPU,Memory and Storage

2019-07-29 Thread Kaushal Shriyan
Hi, Is there a way to find out total CPU's, Memory and Storage using virsh command? For example virsh list --all list out all VM's 11dockerregistry01 running 12gitlab running Any help will be highly appreciated. Thanks in Advance. Best Regards, Kaushal

Re: [libvirt-users] OVS / KVM / libvirt / MTU

2019-07-29 Thread Sven Vogel
Hi Michal, Thanks for your answer. I don’t understand why an interface created without mtu gets only 1500 visible in the virtual machine but if I create an interface with mtu higher than 1500 e.g. 2000 the bridge will change too. Before the bridge was e.g. by 9000. I ask because you wrote if I