Re: [Xen-users] device naming - blkbak.<device> ????

[Mike <mike+xen@xxxxxxxxxxxxxxxxx>]

On 10/21/2017 05:10 PM, Sarah Newman wrote:
> On 10/21/2017 04:13 PM, Mike wrote:
> > Hi,
> >
> >
> >      I have three hosts dom0 all running, I think, same identical version of 
> > ubuntu 16.04 and hosting a number of domUs.
> >
> >
> >      I notice that on two of the boxes, there are processes with names like 
> > 'blkback.2.xvda2' and such. I use raw filesystem images and presume these
> > represent the loopback filesystem for each domu. On a third host, seemingly 
> > identically configured with identical software and so forth, I instead see
> > processes with names like '4.xvda1-0'.
> >
> >
> >      Can anyone tell me what the naming significance is and what I could 
> > possibly have different between these hosts that would make this that way?
> Have you checked the kernel version with uname -a?
>
> This change was introduced in 4.9:
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?h=linux-4.9.y&id=fa3184b898717d696242241541b8cbcb65c5d497
>
> Ubuntu Xenial LTS has a hardware enablement kernel that is the most recent 
> version they support, currently 4.10
> https://packages.ubuntu.com/xenial-updates/linux-image-generic-hwe-16.04 , as 
> well as a kernel that is based off of the original release
> https://packages.ubuntu.com/xenial-updates/linux-image-generic , which is 4.4.
>
> --Sarah

That is indeed the case. Thank you.


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