> On 19/05/07, Kevin Downey <[EMAIL PROTECTED]> wrote:
>> On 5/19/07, Denis Fortin <[EMAIL PROTECTED]> wrote:
>>> Greetings,
>>> I am trying to set up a backup server, using a combination of internal
>>> and external (USB) disk drives.
>>> How can I manage the mapping of USB disk drives to device names?  i.e.
>>> USB drives get assigned device names like da0, da1, da2... when they are
>>> detected.  But if one of the drives fails or is not powered up, all
>>> other ones will get bumped down one in the list next time I reboot.
>>> The problem is that if I automatically "mount /dev/da0a
>>> /archive/volume1", "mount /dev/da1a /archive/volume2", etc. I run the
>>> risk of having the wrong disk being mounted on a mount point !?!
>>> Is there an obvious solution that I'm missing, or a canonical workaround
>>> to this problem?
>> when you newfs a drive use the -L flag to give it a label like
>> 'VOLUME1' then if you load the geom_label module that drive becomes
>> availble under /dev/ufs/VOLUME1
> Or, if instead of fdisk, you
> # glabel label disk0 da0
> # bsdlabel -w label/fancy0
> # newfs -U label/fancy0a
> # mount /dev/label/fancy0a /bla

In addition, you can modify an already created filesystem (as described
in glabel(8)):

# tunefs -L data /dev/da4s1a

Read the glabel(8) and loader.conf(5) man pages.


Mikhail Goriachev

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