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Old 03-29-2008, 11:50 PM
John Reiser
 
Default Label and mount point different

> The label for F9 is practically irrelevant since anaconda installs using
> UUID in /etc/fstab now.

Appropriate documentation is *NEVER* irrelevant, and using labels as
documentation is one very valid operational technique. A good label
can add redundancy, speed identification and understanding, and reduce
the chances for making expensive mistakes.

> ... the answer has been that partition ordering on disk is no
> longer a very crucial thing to configure manually.

It's still crucial for Rescue mode (the root partition of the System
to Rescue is chosen from a list containing items such as "sda3, <label>")
and for interoperability with other OS, including all previous Fedora.
Twice already I've had to use Rescue mode on Fedora 9 Beta installations
because of installation mishaps. Trying to select the right partition by
UUID _only_ would be a usability disaster for Rescue mode. The list of
UUIDs would have to be recorded in advance, etc. Rescue Mode is one place
where good labels really shine.

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Old 03-30-2008, 12:05 AM
Andrew Farris
 
Default Label and mount point different

John Reiser wrote:

The label for F9 is practically irrelevant since anaconda installs using
UUID in /etc/fstab now.


Appropriate documentation is *NEVER* irrelevant, and using labels as
documentation is one very valid operational technique. A good label
can add redundancy, speed identification and understanding, and reduce
the chances for making expensive mistakes.


I didn't mean irrelevant in that labels should be removed or not set, I meant
that what the label happens to be is not longer expected to be the typical '/',
'/tmp', 'usr', etc, and it can be anything (i.e. the label value itself is
irrelevant). The second sentence you removed in that quote suggested setting
labels specifically to identify the partitions as F9... I know you still want
them there.



... the answer has been that partition ordering on disk is no
longer a very crucial thing to configure manually.


It's still crucial for Rescue mode (the root partition of the System
to Rescue is chosen from a list containing items such as "sda3, <label>")
and for interoperability with other OS, including all previous Fedora.
Twice already I've had to use Rescue mode on Fedora 9 Beta installations
because of installation mishaps. Trying to select the right partition by
UUID _only_ would be a usability disaster for Rescue mode. The list of
UUIDs would have to be recorded in advance, etc. Rescue Mode is one place
where good labels really shine.


Ok I agree on the point of documentation and easy identification, but the
partition ordering on disk is a different issue. Whether your partitions are in
order 1,2,3 or 3,2,1 does not change needing to know which is which, it only
changes which partitions are generally closer to head neutral position and which
are accessed most often. Yes, you still need to be able to identify which one
you need to pick when rescuing. But you do not really *need* to make your swap
appear first on the disk compared to letting disk druid float your swap wherever
on disk it chooses.


--
Andrew Farris <lordmorgul@gmail.com> www.lordmorgul.net
gpg 0xC99B1DF3 fingerprint CDEC 6FAD BA27 40DF 707E A2E0 F0F6 E622 C99B 1DF3
No one now has, and no one will ever again get, the big picture. - Daniel Geer
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