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SubjectRe: Switching from (deprecated) IDE driver -> SATA (PATA support)


On Sun, 25 Jan 2009, 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@oss.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?
>
> $ ls -l
> total 0
> lrwxrwxrwx 1 root root 9 2009-01-25 01:54
> 203fcd30-4e56-40e9-a8e5-93ddc8eb536a -> ../../md0
> lrwxrwxrwx 1 root root 10 2009-01-25 01:54
> 2ef862e1-cf78-4065-a205-d1784716d633 -> ../../sdd1
> lrwxrwxrwx 1 root root 10 2009-01-25 01:54
> 77ae4251-631f-4656-a365-c5723f5c5da8 -> ../../sdd2
>
> p254:~# find /proc/|grep -i uuid
> /proc/sys/kernel/random/uuid
> p254:~# find /sys/|grep -i uuid p254:~#
>
>

In lilo.conf:
root="UUID=77ae4251-631f-4656-a365-c5723f5c5da8"

image=/boot/2.6.28-4
label=2.6.28-4
read-only
root="UUID=77ae4251-631f-4656-a365-c5723f5c5da8"

The /etc/fstab entry works, but not the LILO one.

Also I found a bug (OOPS) with a box I was testing the new subsystem
(SATA vs. old IDE) with, will send a bug report shortly.

Justin.


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