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Linux - Laptop and Netbook Having a problem installing or configuring Linux on your laptop? Need help running Linux on your netbook? This forum is for you. This forum is for any topics relating to Linux and either traditional laptops or netbooks (such as the Asus EEE PC, Everex CloudBook or MSI Wind).

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Old 11-11-2008, 07:24 AM   #1
lpallard
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Exclamation OpenSuSE 11 on REAL raid / Dual Boot with Windows XP


Hi guys!
I have a Dell XPSM1730 laptop with two 200GB HDD that can be hardware RAID 0 (stripping) or non RAID (normal separate disks) and maybe even RAID 1 (Mirroring) but I'm not sure about the last one... My question is pretty simple, but I suspect the solution might be complicated...

I would like to install openSUSE 11 and Windows XP Pro as a dual boot config, but using my disks as real RAID (not the fake raid or any software raid). Windows XP will install very smoothly on a physical RAID, but openSUSE does not seems to detect the hardware RAID, and during the setup, it list my two disks as /sda (186.2GB) and /sdb (186GB) but does not see ONE 372.4GB HDD... I'm confused on how to proceed... also for XP, how can I install it along openSuse 11? As you can see, I'm pretty much a complete newbie with Linux! (but looking to get rid of that CRAPPY windows forever.... Grrr)

Thanks and your help is really appreciated!
 
Old 11-11-2008, 08:20 AM   #2
CRC123
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Quote:
Originally Posted by lpallard View Post
Hi guys!
I have a Dell XPSM1730 laptop with two 200GB HDD that can be hardware RAID 0 (stripping) or non RAID (normal separate disks) and maybe even RAID 1 (Mirroring) but I'm not sure about the last one... My question is pretty simple, but I suspect the solution might be complicated...

I would like to install openSUSE 11 and Windows XP Pro as a dual boot config, but using my disks as real RAID (not the fake raid or any software raid). Windows XP will install very smoothly on a physical RAID, but openSUSE does not seems to detect the hardware RAID, and during the setup, it list my two disks as /sda (186.2GB) and /sdb (186GB) but does not see ONE 372.4GB HDD... I'm confused on how to proceed... also for XP, how can I install it along openSuse 11? As you can see, I'm pretty much a complete newbie with Linux! (but looking to get rid of that CRAPPY windows forever.... Grrr)

Thanks and your help is really appreciated!
I am %99.999999...etc positive that you do not have real hardware raid (especially in a laptop). Most hardware that has 'built-in' RAID is fakeRAID(supported in hardware but all processing is done on system CPU).

I don't know what fakeRAID chip you have in your laptop, but sometimes the RAID drives will show up in /dev/mapper/... but if they aren't showing up in you're partition list, then you may be out of luck.
 
Old 11-11-2008, 10:34 AM   #3
farslayer
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boot from a Live distro and use lspci to find out what the Chipset is on your 'RAID' controller. then you can determine what driver you may need.
 
Old 11-11-2008, 03:45 PM   #4
lpallard
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Here's the LSPCI reply

00:00.0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory Controller Hub (rev 0c)
00:01.0 PCI bridge: Intel Corporation Mobile PM965/GM965/GL960 PCI Express Root Port (rev 0c)
00:1a.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #4 (rev 02)
00:1a.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #5 (rev 02)
00:1a.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #2 (rev 02)
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 02)
00:1c.1 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 2 (rev 02)
00:1c.3 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 4 (rev 02)
00:1c.4 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 5 (rev 02)
00:1c.5 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 6 (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev f2)
00:1f.0 ISA bridge: Intel Corporation 82801HBM (ICH8M-E) LPC Interface Controller (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) IDE Controller (rev 02)
00:1f.2 RAID bus controller: Intel Corporation Mobile 82801 SATA RAID Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 02)
01:00.0 PCI bridge: nVidia Corporation Device 01b3 (rev a3)
02:00.0 PCI bridge: nVidia Corporation Device 01b3 (rev a3)
02:01.0 PCI bridge: nVidia Corporation Device 01b3 (rev a3)
03:00.0 VGA compatible controller: nVidia Corporation GeForce 8700M GT (rev a1)
04:00.0 3D controller: nVidia Corporation GeForce 8700M GT (rev a1)
05:01.0 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller (rev 05)
05:01.1 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 22)
05:01.2 System peripheral: Ricoh Co Ltd R5C843 MMC Host Controller (rev 12)
05:01.3 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter(rev 12)
05:01.4 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev ff)
09:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5754M GigabitEthernet PCI Express (rev 02)
0c:00.0 Network controller: Intel Corporation PRO/Wireless 4965 AG or AGN Network Connection (rev 61)
0f:00.0 Class ff00: AGEIA Technologies, Inc. Device 0000


As far as I know, the RAID chipset is Intel Mobile 82801 SATA RAID... Any more toughts?
 
Old 11-12-2008, 07:03 AM   #5
lpallard
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Hey Guys!

I did some trials yesterday, and here's what I've found...

In my BIOS, I have 3 choices for the HDD controller. Here's what I have + what the BIOS says (as help tip):

RAID Autodetect / ATA : RAID if signed drives otherwise ATA
RAID Autodetect / AHCI : RAID if signed drives otherwise AHCI
RAID On : RAID if on every boot

If I select either RAID /ATA or RAID /AHCI, and I dont have any RAID
array configured in the RAID controller setup screen,I will have 2 identical ATA or ACHI (SATA) drives... However, if I select the RAID on option in the BIOS, the RAID mode will be enabled, and I can setup an array in the RAID controller setup screen.

CRC123, I am now 100% sure you're right about the RAID chipset... it is a fake raid (Intel Mobile 82801 SATA RAID) that comes with the 965 chipset series from Intel. However, I couldnt install openSUSE 11 on my laptop. No matters which configuration (RAID or not, ATA or AHCI...) I select, the setup would drop during the HDD detection (at 60%) and send me in linuxrc telling me "An error occured during install"... What??? no error code, nothing else.... The wierd thing, is that Monday (2 days ago), I succeded to install openSUSE.... When I did, I created a RAID as "md0" and everything went fine... However, if I remember correctly, my controller was still "RAID on" but the opensuse setup was detecting 2 different drives instead of seeing 1 big drive like windows see... Any clues?? I have to admit, I'm a little confused....
thanks!!
 
Old 11-12-2008, 07:33 AM   #6
farslayer
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http://www.redhat.com/archives/fedor.../msg03335.html

Changelog from dmraid 1.0.0-rc1 to 1.0.0-rc2 2004.07.15

o Intel Software RAID discovery and activation support




well dmraid is a point to start at.. Search for a Suse dmraid 82801 how-to
 
Old 11-16-2008, 08:11 PM   #7
lpallard
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Wink Over!

Thanks guys! That was very helpful, but after reading several websites that discussed about benefits vs hassle of configuring/using a fakeRAID in linux, I just decided to install everything over a non-raid setup.

Thanks again!
 
Old 11-16-2008, 10:36 PM   #8
CRC123
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Quote:
Originally Posted by lpallard View Post
Thanks guys! That was very helpful, but after reading several websites that discussed about benefits vs hassle of configuring/using a fakeRAID in linux, I just decided to install everything over a non-raid setup.

Thanks again!
You can also try using the built-in software raid that comes with openSUSE 11 (I think it's called dmraid, and you can configure it through the disk partitioner). I would only recommend it for RAID 0 or RAID 1. There really isn't much performance hit in these modes and you don't have to Stripe or Mirror whole disks; software raid allows you to stripe/mirror by partitions.
 
Old 11-18-2008, 07:20 PM   #9
lpallard
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Smile

CRC123, I am actually using dmraid with RAIDO and I didnt noticed a real performance improvement. I'm still looking forward to learn more on linux!

Thanks for your very precious help!
 
  


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