Re: raid-1 with Marvell 6121
- From: scar <scar@xxxxxxxxxx>
- Date: Tue, 11 Aug 2009 11:15:03 -0700
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scar @ 07/28/2009 11:36 PM:
dear all,
i have this SATA controller on my motherboard (lspci below), and i have
two identical drives attached to it. in the Marvell option ROM in the
system BIOS, i have successfully setup a RAID-1 configuration, and i am
told that the array is "healthy" and/or "functional" upon bootup.
initially, after booting into ubuntu 8.10 with linux 2.6.27-14-generic,
the controller and thus the drives were not properly detected.
i then found a bug report[1] (you will see my puny plea for help there
as well), which directed me to [2]. after following the instructions
there, ubuntu was detecting the two disks i had attached to the 6121 as
separate disks, and not as one logical RAID-1 volume as i would assume.
1. https://bugs.launchpad.net/ubuntu/+source/linux/+bug/335615
2. http://wiki.debian.org/pata_marvell
i have come across this[1] wiki page, and realized i should use softraid
with my setup. i never realized these built-in controllers were "fake"
RAIDs. sketchy manufacturers... ;-)
so, i searched around, and followed the instructions at [2], up to
creating the first array. now i have /dev/md0.
then, i jumped over to [3], since i want it to be encrypted, and started
with step 1b, filling the device with random data. that is still
running, and will take about 4 days by my calculations to complete.
then i will continue with that guide.
in the meantime, if anyone has any tips, etc. i would appreciate it!
thanks
1. https://help.ubuntu.com/community/FakeRaidHowto
2. http://www.rrcomputerconsulting.com/view.php?article_id=3#9
3. http://www.saout.de/tikiwiki/tiki-index.php?page=EncryptedDeviceUsingLUKS
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