Re: [Xen-devel] adding more than one disk.

[Anthony Liguori <aliguori@xxxxxxxxxx>]

Ronald G. Minnich wrote:

> If I set up my xen file as follows:
> disk = [ 'phy:loop0,loop0,w', 'phy:loop1,loop1,w']
>
> I realize I should USTL but it seemed to me I should expect blkif changed 
> messages for each vbd. I'm only getting the messages once. 
>
> i.e. I see this:
> ===========> blkif_status_change to 1
> ===========> blkif_status_change to 2
> ===========> evtchn for blkif is 3
> ====> enable disk interrupt
> =========> controller connected
>  
>
> For the first disk, and that's it. Shouldn't I see two of these sets of 
> messages, one for each disk? 
>  
Unliked netif devices, there is only one blkif device (that is one 
blk_handle) for all of your vbds within a domain.  There is also only 
one event channel (again, this is different than netif devices).  I'm 
not sure if there are scenarios where you would have multiple blkif 
devices...
> Is my expectation wrong or is something else going on that I missed?
>  
Is there some sort of problem with Plan9?  What exact is happening?  The 
above statements are for Linux.  I don't know if things are somehow 
different under Plan9..
> thanks
>
> ron
> p.s. I actually now have two plan 9/xen users out there ... 2 more than I 
> had a month ago. So a month ago there was one, now 3 ... at this rate we 
> should take over the planet in no time.
>  
Is there an image of Plan9 somewhere?  I'm currently rebuilding my main 
machine and would love to throw a copy of it in the mix and be #4 :-)
Regards,
Anthony Liguori


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