Disk IO throttling for VM guests?

2014-05-08 Thread Miroslav Lachman
Is there any possibilities to limit disk IO for virtualization guest on FreeBSD? I would like to know, if it is possible to limit IOps for jails, or Bhyve guest, or VirtualBox quests. There are ways to limit CPU or RAM for them, but CPU and RAM are really huge these days. On the other hand,

Re: Disk IO throttling for VM guests?

2014-05-08 Thread Andreas Nilsson
On Thu, May 8, 2014 at 5:57 PM, Miroslav Lachman 000.f...@quip.cz wrote: Is there any possibilities to limit disk IO for virtualization guest on FreeBSD? I would like to know, if it is possible to limit IOps for jails, or Bhyve guest, or VirtualBox quests. There are ways to limit CPU or RAM

Re: consistent VM hang during reboot

2014-05-08 Thread John Baldwin
On Wednesday, May 07, 2014 7:15:43 pm John Nielsen wrote: I am trying to solve a problem with amd64 FreeBSD virtual machines running on a Linux+KVM hypervisor. To be honest I'm not sure if the problem is in FreeBSD or the hypervisor, but I'm trying to rule out the OS first. The _second_

Re: consistent VM hang during reboot

2014-05-08 Thread John Nielsen
On May 8, 2014, at 11:03 AM, John Baldwin j...@freebsd.org wrote: On Wednesday, May 07, 2014 7:15:43 pm John Nielsen wrote: I am trying to solve a problem with amd64 FreeBSD virtual machines running on a Linux+KVM hypervisor. To be honest I'm not sure if the problem is in FreeBSD or the

RE: consistent VM hang during reboot

2014-05-08 Thread Andrew Duane
When I was doing some early work on some of the Octeon multi-core chips, I encountered something similar. If I remember correctly, there was an issue in the shutdown sequence that did not properly halt the cores and set up the start jump vector. So the first core would start, and when it tried

Re: Disk IO throttling for VM guests?

2014-05-08 Thread Miroslav Lachman
Andreas Nilsson wrote: On Thu, May 8, 2014 at 5:57 PM, Miroslav Lachman 000.f...@quip.cz mailto:000.f...@quip.cz wrote: Is there any possibilities to limit disk IO for virtualization guest on FreeBSD? I would like to know, if it is possible to limit IOps for jails, or Bhyve