*** This bug is a duplicate of bug 115616 ***
    https://bugs.launchpad.net/bugs/115616

pieje wrote:
> *** This bug is a duplicate of bug 115616 ***
>     https://bugs.launchpad.net/bugs/115616
>
> I had exactly the same problem after upgrading to Gutsy.
>
> This is what is happening:
> It seems evms is trying to mount a harddisk that is already being mounted by 
> the kernel..and thus fails with an error "device lookup failed" or similar.
>
> How to solve it:
> Edit /etc/evms.conf and add in the exclude fields the names of your harddisks.
> Ie in my case I got sda1 and sda2. So I placed sd* to exclude them all.
> I rebooted and laptop was working normal again.
>   
Pieje,

Maybe there could be an option in evms to identify active mounts and
either ignore them or execute the remount option to re-attach the
filesystem to the /dev/evms counterpart.
Someday I hope to learn how to use the EVMS bad block relocation
feature.  I was once burned pretty bad by an IDE hard drive in a mail
server where the server would lock up hard when trying to read from a
bad block.

Oh, and it might be preferable to identify the filesystems by uuid 
instead of by /dev/sda1.  I've heard that the discovery order of
/dev/sd* devices is not something that you can count on to be in the
same order every time.  You can see these identifiers at /dev/disk/by-uuid/


-Joe Baker

-- 
device-mapper: ioctl: error adding target to table
https://bugs.launchpad.net/bugs/124641
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