linux-kernel - Re: Why minor is still 8 bit?

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Date:	Mon, 04 Jun 2012 07:53:53 +0400
From:	George Shuklin <george.shuklin@...il.com>
To:	Al Viro <viro@...IV.linux.org.uk>
CC:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Why minor is still 8 bit?


On 04.06.2012 05:35, Al Viro wrote:
> On Mon, Jun 04, 2012 at 05:25:01AM +0400, George Shuklin wrote:
>> I've understand that major and minor numbers for device is 8-bit size.
>>
>> I've don't understand, WHY? In 2012!
>>
>> (I've just have some discussion about 8-bit counter limitations in
>> context of cloud computing. In middle of 2012!!!!)
> Yes, shocking.  It's been several years and you are still using that
> buzzword; I mean, it's _so_ 2010...  Should've moved on to whatever's
> in this year...
>
> Incidentally, minors are 20 bit and majors are 12, but don't let that
> stand in the way of righteous indignation - what's mere facts when
> one is having discussions in context, presumably leveraging synergies
> all along...
Ok, thank you for information.

But question is almost same: can I have 30k active logical volumes on my 
single server, please?
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