I am very confused and would appreciate some help on device renameing or on renumbering on current fstab.

[Warren Block]

On Tue, 3 May 2011, Edwin L. Culp W. wrote:

>> It will be ada0 rather than ad4.  With adaX the weird ATA_STATIC_ID stuff is
>> gone and ATA disks are now numbered starting from 0 just like SCSI disks use
>> da0, da1, ... etc.
>>
>> --
>> John Baldwin
>
> Thanks, John.  I was afraid that was the answer. Now, II'm really
> confused.  I'm guessing that the partitions will notl need to be shown
> in fstab (ada0s1a).   What little mind I have left is a blank,
> /dev/ad4s1g will be automatically be detected.  Is that correct?
>
> What will I do with my second disk /dev/ad0s1a that is already zero?

The device names change from ad to ada.  Slice and partition identifiers 
don't change.  Device numbering is dynamic with ahci.  Using labels is 
an easy way to not have to worry about a device's name or number.

Moving A FreeBSD System To AHCI
http://www.wonkity.com/~wblock/docs/html/ahci.html

FreeBSD Labeled Filesystems
http://www.wonkity.com/~wblock/docs/html/labels.html