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Date:      Tue, 02 Jun 2015 07:51:42 -0700
From:      Peter Grehan <grehan@freebsd.org>
To:        Andriy Gapon <avg@FreeBSD.org>
Cc:        freebsd-virtualization@FreeBSD.org
Subject:   Re: bhyve: bhyveload, bhyve, bhyvectl --destroy
Message-ID:  <556DC2FE.1000308@freebsd.org>
In-Reply-To: <556D9163.1080704@FreeBSD.org>
References:  <556D9163.1080704@FreeBSD.org>

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Hi Andriy,

> I am very new to bhyve, so sorry if I am asking something silly or obvious.
> I am using bhyve to speed up my testing and it seems that each time I need to
> restart a VM I need to go through the cycle of destroying it with bhyvectl
> --destroy, then re-loading a kernel with bhyveload and then actually booting the
> VM with bhyve.  It seems that I have to do this even if I don't change th kernel
> between reboots.  My first naive impression was that the point of bhyveload was
> to load the kernel once.  Seems it ain't so?

  bhyveload does the job of what BIOS/boot0/1/2/loader would do on real 
h/w, so it has to be executed each time on restart.

  One optimization to the cycle you mentioned is that bhyvectl --destroy 
only has to be done when the VM is no longer needed i.e you can loop 
with bhyveload/bhyve.

later,

Peter.



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