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Subject: Re: AHCI/ATA_CAM for dummies?
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Nenhum_de_Nos wrote:
> On Sat, December 12, 2009 20:46, Vincent Hoffman wrote:
>> Doug Barton wrote:
>>> I'd like to test the new stuff, but my main concern at this point is
>>> that I am not 100% sure how to change my fstab, what will happen if I
>>> need to revert, etc. I'm sure I probably _could_ figure it out, but it
>>> would save me a lot of time if someone could write down really
>>> explicit step-by-step instructions ... put this in your kernel config,
>>> do this to fstab, do this if it blows up, etc.
>>>
>>> Any takers?  :)
>>>
>>>
>>> Doug
>>>
>>>
>> For me trying ahci was very easy.
>> boot using the usb image, use the fixit environment.
>> I  use ufs so I used tunefs to label all my partitions.
>> tunefs -L ROOTFS /path/to/rootfs
> 
> I got curious about this. what I should choose, glabel or this ?

Technically, both are handled by glabel.

> I did this using glabel and so far so good.

All variants: ufs, ufsid, glabel are handled the same - the differences 
are cosmetic and a matter of user's preferences.

Personally, I mostly use ufsid because it is always there and doesn't 
require special configuration.