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xen-devel
Re: [Xen-devel] [PATCH]: xl: use libuuid to generate random UUID's
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To: |
Ian Campbell <Ian.Campbell@xxxxxxxxxx> |
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Subject: |
Re: [Xen-devel] [PATCH]: xl: use libuuid to generate random UUID's |
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From: |
Vincent Hanquez <vincent.hanquez@xxxxxxxxxxxxx> |
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Date: |
Tue, 10 Aug 2010 12:14:19 +0100 |
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Cc: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx>, Ian, Stefano Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>, Jackson <Ian.Jackson@xxxxxxxxxxxxx>, Ian Pratt <Ian.Pratt@xxxxxxxxxxxxx>, Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Gianni Tedesco \(3P\)" <gianni.tedesco@xxxxxxxxxx> |
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On 10/08/10 11:44, Ian Campbell wrote:
Where I care about a stable MAC I use
vif = [ 'mac=xx:xx:xx:xx:xx:xx' ]
in my domain config file. AFAICT that is the only 100% reliable way to
get a stable MAC address since the other schemes all have some corner
case or other...
At the expense of the common error of having 2 vms with the same mac
address because one copied the config file and forgot to change the mac
address.
XCI and XCP doesn't have any "corner cases or other" since uuid uniquess
is enforced which means mac too (siding apart the unlikely hash collisions).
--
Vincent
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