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From: Casey Schaufler <casey@schaufler-ca.com>
To: George Shuklin <george.shuklin@gmail.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Casey Schaufler <casey@schaufler-ca.com>
Subject: Re: Why minor is still 8 bit?
Date: Mon, 04 Jun 2012 09:11:23 -0700	[thread overview]
Message-ID: <4FCCDE2B.3020306@schaufler-ca.com> (raw)
In-Reply-To: <4FCC3151.1040503@gmail.com>

On 6/3/2012 8:53 PM, George Shuklin wrote:
>
> 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?

What are you trying to do, create a logical volume for every file?
There are at least three separate technologies available that will
solve whatever your problem is better than having 30,000 logical
volumes. I don't have a clue what you think you're trying to
accomplish and I am still willing to bet beers that you're bus is
parked solidly on the wrong tracks.


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  reply	other threads:[~2012-06-04 16:11 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-04  1:25 Why minor is still 8 bit? George Shuklin
2012-06-04  1:35 ` Al Viro
2012-06-04  3:53   ` George Shuklin
2012-06-04 16:11     ` Casey Schaufler [this message]
2012-06-04 18:59       ` George Shuklin
2012-06-05  0:52         ` H. Peter Anvin
2012-06-05  1:08           ` George Shuklin
2012-06-05  9:23             ` Paul Bolle
2012-06-05  9:36               ` George Shuklin
2012-06-05  9:49                 ` Paul Bolle
2012-06-05 11:13                   ` George Shuklin

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