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RES: [Xen-users] Xen limitations : 256 disks devices limit per hyperviso

from [Antonio Pina (antonio.pina)]

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To:	Eric Durand <flatplane55@xxxxxxxxx>, "xen-users@xxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject:	RES: [Xen-users] Xen limitations : 256 disks devices limit per hypervisor
From:	"Antonio Pina (antonio.pina)" <antonio.pina@xxxxxxxxxxx>
Date:	Tue, 28 Jun 2011 16:10:16 -0300
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Thread-topic:	[Xen-users] Xen limitations : 256 disks devices limit per hypervisor

Eric,

I think the actual limit for XEN4 is hardcoded at 250 disks.

You could change in the source, but I don´t know the consequences.

Regards.

Antonio Carlos Pina

De: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] Em nome de Eric Durand
Enviada em: terça-feira, 28 de junho de 2011 12:32
Para: xen-users@xxxxxxxxxxxxxxxxxxx
Assunto: [Xen-users] Xen limitations : 256 disks devices limit per hypervisor

Hello,

I've recently try to run a large number of linux domU/disks per domU. I use LVM for disks and Xen refuses to allow more than 256 disks (total for one hypervisor). Can somebody tell me which paremeter I could set to allow more disks devices ?

Regards

Seb.

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