linux-kernel - Re: Switching from (deprecated) IDE driver -> SATA (PATA support)

Open Source and information security mailing list archives

Message-ID:  <497CD5F3.8030901@tmr.com>
Date:	Sun, 25 Jan 2009 16:13:23 -0500
From:	Bill Davidsen <davidsen@....com>
To:	linux-kernel@...r.kernel.org
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org, xfs@....sgi.com
Subject:  Re: Switching from (deprecated) IDE driver -> SATA (PATA support)

Justin Piszcz wrote:
> 
> 
> On Sun, 25 Jan 2009, Justin Piszcz wrote:
> 
>>
>>
>> On Sun, 25 Jan 2009, Justin Piszcz wrote:
>>
>>>
>>>
>>> On Sun, 25 Jan 2009, Alan Cox wrote:
>>>
>>>> Easiest is to use labels. Old ide will keep hda,b,c,d constant
>>>> providing you have interfaces using the legacy IDE port mappings (0x1f0
>>>> and 0x170). Libata doesn't do that as pretty much every distribution 
>>>> had
>>>> already switched to volume labels, and the user space can do the job 
>>>> far
>>>> better than the kernel - especially as the newer devices with modern
>>>> interfaces don't have the old BIOS/DOS legacy ideas any more.
>>>>
>>>> Mount by label also means you can flip back and forth between the
>>>> different drivers and kernel revisions.
>>>>
>>>> Alan
>>>>
>> It comes with one :)
>> # xfs_admin -u  /dev/sdd2
>> UUID = 77ae4251-631f-4656-a365-c5723f5c5da8
>>
>> Will try to use this to boot; however, I'd prefer the labels over the 
>> UUID, wish there was an easy way to set it.
>>
>> Justin.
>>
>> _______________________________________________
>> xfs mailing list
>> xfs@....sgi.com
>> http://oss.sgi.com/mailman/listinfo/xfs
>>
> 
> One final question, without udev, how does one determine the UUID of a 
> non-XFS
> partition, e.g., swap?
> 
One uses blkid. Which suggests that you can solve your name problem by not using 
names and switching to UUID.


-- 
Bill Davidsen <davidsen@....com>
   "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot

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