I wish I could just tell you how to do it.
It is possible as far as I know.

The trick should be the SYSFS option and to find where in sysfs you
can find the fs uuid.

Really don't remember anymore.

Disclaimer:
In your case it's fine. But I am afraid that mounting-by-something has
it's own little hell when you run multipathed storage.

Florian

2012/6/27 Chris Mosetick <[email protected]>:
> Hi,
> I'm looking for help creating a udev rule on a CentOS 5.x machine. The rule
> only needs a couple things.
>
> Imagine we have a bunch of disks, with one file system on each disk. Each
> file system has a UUID, and I know the UUID of each file system ahead of
> time.
>
> The udev rule needs to do something like:
> If a disk is connected to the system and it has a file system on it with
> UUID = xxxx.-xxxx-xxx...1
> or = UUID of xxxx-xxxx-xxxx...2
> and so forth,
> If the above happens, mount the disk at /some-mount-point
>
> Also, the disks are connected via E-SATA.
>
> This should be achievable with a udev rule calling a program, something
> like: blkid -o value -s UUID or possibly using the /dev/disk/by-uuid
> symlinks
>
> I've been doing some research but been having trouble because a lot of stuff
> I've been seeing will try to mount any disk connected, or try to use a
> partition label. I'm looking for a way to only automatically mount disks
> with specific UUID's. Other disks connected into the same E-SATA ports
> should just sit there and do nothing.
>
> Thanks in advance, any help is appreciated.
>
>
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