[Bug 361733] Re: fakeRAID and software RAID are two different things

[Timothy Miller]

Hi,

I stopped using Ubuntu some time ago, since it's still not possible to
boot from a software RAID volume.  (The initrd does not load the mdadm
driver at boot time, so I have to use other distros if I want my root
volume to use software RAID.  I reported this bug in launchpad, but it's
never been addressed.)

However, looking at the source code to 2.6.33, it appears that the same
block drivers are still there.  There are separate RAID1 implementations
for "dmraid" and "mdraid".  Although this is not an Ubuntu bug per se,
it is definitely a Linux problem that affects Ubuntu and Ubuntu users.

The consequence of this is that people trying to set up software RAID
won't know which type to choose.  If they chose dmraid, they'll get poor
read performance, since it doesn't do load balancing.

-- 
fakeRAID and software RAID are two different things
https://bugs.launchpad.net/bugs/361733
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