Re: [Xen-users] High Number of VMs

[Ciro Iriarte <cyruspy@xxxxxxxxx>]

2011/9/9 Ervin Novak <enovak@xxxxxxxxxxx>:
> Hi,
>
> On Fri, Sep 9, 2011 at 9:07 PM, Ciro Iriarte <cyruspy@xxxxxxxxx> wrote:
>> The thing is that Linux has a 255 SCSI
>> device limit apparently (255/2= ~128 with multipath) and that won't
>> scale in big installations (300 VMs for example).
>
> I don't think Linux >2.4 has such a limitation. I administer servers
> which have 5-600 LUNs * 4 (multipath) but a short googling showed me a
> limit of 2^32 (max_scsi_luns, max_luns)
>
> Ervin
>

Sound great, any special configuration needed on the HBA driver side?

Regards,

-- 
Ciro Iriarte
http://cyruspy.wordpress.com
--

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