Re: Xen save/resume with XENHVM kernel

2011-07-21 Thread Scott Burns
On 7/20/11 11:43 PM, Colin Percival wrote: On 07/20/11 15:50, Scott Burns wrote: I see in sys/dev/xen/blkfront/blkfront.c that the blkfront_resume() function is not implemented, and there are also some notes about it in blkif_recover(). Is anyone currently working on this? Is there a hack I co

Re: Xen save/resume with XENHVM kernel

2011-07-20 Thread Colin Percival
On 07/20/11 15:50, Scott Burns wrote: > I see in sys/dev/xen/blkfront/blkfront.c that the blkfront_resume() > function is not implemented, and there are also some notes about it in > blkif_recover(). Is anyone currently working on this? Is there a hack > I could use to get live migration working,

Xen save/resume with XENHVM kernel

2011-07-20 Thread Scott Burns
Hi guys, I have been using FreeBSD 8.2 with the XENHVM kernel for several months. The performance is great, and the reliability is rock solid. However, while preparing to upgrade the hardware in our Xen servers, I was unpleasantly surprised to find that Xen's save/restore functionality does