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Re: [Xen-users] How to increase loop device ?


  • To: "Fajar A. Nugraha" <list@xxxxxxxxx>
  • From: Rudi Ahlers <Rudi@xxxxxxxxxxx>
  • Date: Mon, 11 Apr 2011 11:43:03 +0200
  • Cc: yassine ayachi <ayachi.yassine@xxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Mon, 11 Apr 2011 02:44:31 -0700
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On Mon, Apr 11, 2011 at 11:37 AM, Fajar A. Nugraha <list@xxxxxxxxx> wrote:
> On Mon, Apr 11, 2011 at 4:29 PM, yassine ayachi
> <ayachi.yassine@xxxxxxxxx> wrote:
>> you could pass it as an option to your kernel at boot time, if you use grub,
>> add  "max_loop=64" at the end of your kernel line, then reboot the server
>> and look how much devices are declared in /dev/loop*
>
> IIRC it should be loop.max_loop=64 when on kernel line
>
>>
>> As you can see it requires to reboot the server which is not possible since
>> it is a production server :
>>
>> Can someone please give me a proposal to increase loop devices without
>> rebooting the server ?
>
> Not possible.
>
> ... alhtough depending on the version of Xen you use, you can try
> using "tap:aio:/" instead of "file:/" on your domU config file.
>
> --
> Fajar
>
> _______________________________________________



Is it not maybe possible to change this value with ksplice, and thus
not have to reboot?



-- 
Kind Regards
Rudi Ahlers
SoftDux

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