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#1 2016-05-09 16:35:22

faktorqm
Member
From: Argentina
Registered: 2012-01-27
Posts: 18

Install on Gigabyte P35X V5

Dear forum,

I recently acquired a Gigabyte P35X V5. I bought also two samsung 950 pro 512Gb each one and put them on a RAID 0 configuration using the BIOS Utility. The service is provided trough Intel RST firmware version 14.6. I'm using secure boot and UEFI.
I created two disks over the 1Tb volume, 2 of 512gb, called System0 and System1. I Installed Windows 10 on System0 in order to use Altium Designer, Solidworks, etc. and System1 is intended for Arch.
Currently I have an Arch up & running on a Lenoto T430. I booted with the arch live iso, on a USB (created with dd as the wiki page instructs)

My problem here is that Arch does not recognize the raid disks. After several hours of reading, I arrived to the conclusion that dmraid is not the correct tool to use, I must use mdadm. The fact is that the command

mdadm --detail-platform

shows the controller correctly, however does not show any disk connected on the list. The most confusing thing for me: There is no /dev/md which is very frustating for me considering that the wiki https://wiki.archlinux.org/index.php/In … _Fake_RAID starts assuming that under "md" there are more things. (and many other how to's).

In the same wiki page, it says

Warning: Command "dmraid -ay" could fail after boot to Arch linux Release: 2011.08.19 as image file with initial ramdisk environment does not support dmraid. You could use an older Release: 2010.05. Note that you must correct your kernel name and initrd name in grubs menu.lst after installing as these releases use different naming

However the title is for dmraid, not for mdadm. Why I should change? According to this document from Intel (a little bit dated but assuming still working) http://www.intel.com/content/dam/www/pu … -paper.pdf
Just in case, I followed that direction, downloaded that iso (2010.5) and I'm not able to run because there is no EFI on that live image, so it didn't worked at all.

As I'm not familiar with RAID disks, maybe I'm missing something like to run a module, blacklist things, or something. I hope you can help me. Thanks in advance for your help. Regards!

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#2 2016-05-09 16:37:16

graysky
Wiki Maintainer
From: :wq
Registered: 2008-12-01
Posts: 10,595
Website

Re: Install on Gigabyte P35X V5

BIOS RAID seems like a bad idea but that's just me.  I have only used mdadm for creating fake raid arrays, not trying to mount a BIOS array before.  Perhaps that is your problem?


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#3 2016-05-09 17:03:21

faktorqm
Member
From: Argentina
Registered: 2012-01-27
Posts: 18

Re: Install on Gigabyte P35X V5

ammm let me see If I understood. You are proposing me to delete the disks from the BIOS setup utility and let them "without config" and then, bootup arch and check if I can create the disks using the mdadm tool? Or just If I can see something under /dev/md ?

Thanks for your reply

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#4 2016-05-10 03:28:48

faktorqm
Member
From: Argentina
Registered: 2012-01-27
Posts: 18

Re: Install on Gigabyte P35X V5

Hi again,

I took a picture with the command output

mdadm --detail-platform

(sorry for the pic but is too late to insert a pendrive and dump the command)

http://imgur.com/cBnmvkM

This thread is identical to this one, same controller, same problem, different laptop https://bbs.archlinux.org/viewtopic.php?id=212198

I also have tried with 2015.10 image to test another version of mdadm. (3.3.4) and same thing. No news. I'm starting a worry a little bit. Which is the right side to report this?

Thanks again! Regards!

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#5 2016-05-12 01:43:18

faktorqm
Member
From: Argentina
Registered: 2012-01-27
Posts: 18

Re: Install on Gigabyte P35X V5

OK Guys, I have tried to report the issue on the Intel forum community and the answer was simply "Intel does not support Linux". Which is very disgusting. At least for me.
Here is the thread: https://communities.intel.com/thread/101938

Also, I created a bug on the mdadm package to provide support to my hardware. https://bugs.archlinux.org/task/49306

Well I think that's all for me. I will have to wait until this is solved to install Arch again :'( Thank you! Regards!

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#6 2016-05-12 08:22:37

graysky
Wiki Maintainer
From: :wq
Registered: 2008-12-01
Posts: 10,595
Website

Re: Install on Gigabyte P35X V5

Not,a bug i think.  The two are completely different raid implementations.


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#7 2016-05-16 13:35:21

faktorqm
Member
From: Argentina
Registered: 2012-01-27
Posts: 18

Re: Install on Gigabyte P35X V5

Ammm sincerely, I don't know. It's my first time dealing with RAID disks setup. All the websites (like arch wiki, gentoo forums and many others) says the same thing: dmraid only for (real) hardware raids, mdadm for software raids and fake-raid.
The good thing is at least recognizes the card with no disks... I hope those developers can provide support. Thank you! Regards!

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