RFC: ATA to CAM integration patch

[Daniel O'Connor]

On Sun, 28 Jun 2009, Aisaka Taiga wrote:
> > 'create' is the manual method which won't store any metadata -
> > 'label' stores it in the last sector of the provider.
>
> I might be mistaken here as I tried that in May, when I upgraded my
> production server to 7.2; I probably tried using the 'label'
> subcommand or it wouldn't show up on boot, right? (There was a
> mistype in my earlier message; should be "label for provider ad0s1b
> is label/swap", not "ad0s1a".)

I guess I'll find out tomorrow when I reboot my laptop and see what 
happens.

However, given that it works for Louis you might want to reconsider it.

> > The other alternative is to
> > use /dev/ufsid/xxx which won't require a newfs as your existing
> > FS's have an ID already (presuming you are using GENERIC).
>
> The problem with ufsids is that unlike a manually set label, you
> can't really distinguish between them (as opposed to the default
> scheme of sXY where for a boot device you can be almost 80% certain
> that ad0s1a is /, f is /usr, etc etc - especially if the default
> number of partitions was created).

The UFSID is unique for a given newfs (mostly - it is the timestamp I 
believe).

-- 
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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