Scott Storck wrote:
I use the dmraid tools, but they are not in portage yet. Why not, I
don't know.
There has been a bug open in bugzilla about this for a long time, but
nothing (noticabliy) is happening with this.
I however, boot from such a partition, so that ebuild alone doesn't help me.
I went the route of using an initrd which runs "dmraid -ay" which
creates the device nodes.
I would reccommend to you, that you also use an initrd containing
dmraid, even if you don't boot from such a partition.
This way the devices are available when the normal system starts.
I started off using the script and linuxrc found here
http://tienstra4.flatnet.tudelft.nl/~gerte/gen2dmraid/
There is also at least one thread about this in the gentoo forums.
Here is one for example:
http://forums.gentoo.org/viewtopic-t-258981-highlight-dmraid.html
I have however since then created my own script which modifies the
initrd created by genkernel.
I don't use genkernel to make the kernels themselves, but it is the best
way in my book to make a initrd in gentoo.
One world of advice, regardless which way you choose, be sure to use the
newest dmraid version.
The older versions had various bugs.
My favorite bug was one that setup the raid block size incorrectly while
doing mirroring, on two different controlers I use.
It isn't funny, when you buy two 400GB drives, and when mirrored, you
only see 200GB in linux.
Otherwise, you could always go back to using devfs.
I think devfs will still be supported for a little while.
Maybe by then some gentoo dev will decide to do something about these
problems.
Regards,
Scott
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I also used dmraid tools, but now that I have fixed the problem in the
kernel configuration I'm not able to detect the raid with 'dmraid -ay'.
With old kernel (devfs) I worked perfectly, but with this new one (udev)
there're so much. But with this one I have solved other problems that
I've suffered since 1 month.
I'll give an eye on the addresses you gave me.
Regards, Emanuele.
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