Ubuntu Installation :: Disabled RAID In My BIOS
Sep 26, 2010
I've played with Ubuntu, and a linux evangelist at work has talked me into trying it again.I happened to be wiping my machine, so my plan was to have Windows 7 and Ubuntu on one hard drive (100GB for Ubuntu, the rest for Windows), and the second hard drive for downloads, TV, films, etc.First I installed Windows, then I torrented the x64 Ubuntu 10.04 live CD iso, and burned it to a DVD. I booted from it and installed on the second partition, but I then found when I booted back into windows that my second hard drive wasn't there any more.
It didnt take long to work out that Ubuntu had installed using the second hard drive as a mirror. This is very confusing to me, as I've disabled RAID in my BIOS. I booted from the Ubuntu CD again and looked for options about this but didn't find any. Eventually out of frustration I just unplugged the second hard drive, but now when I boot from the CD to install, no hard drives show up for me to install to.
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Apr 15, 2010
I just assembled a PC
amd x3 64bit
4 GB RAM
ATI HD4350
Asrock MB
2 HD WD 320 put into RAID 0.
To make this configuration, I have not enabled the raid from bios (since Ubuntu gave me problems) but I followed this guide [URL] (Official guides) to configure software RAID offered by ubuntu. Everything went ok and it works perfectly but when released the 10.04 and the system asks me to update, you think there will be some problem or leaving will be updated throughout unchanged RAID configuration?
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Jan 5, 2010
As I understand, Fedora 12 sets up Intel ICH (when set in BIOS) as mdraid instead of dmraid.I would like to setup my 2 SATA hard drives so ultimately my /boot partition is RAID1, my / (ROOT) partition is RAID 1, and my swap is either RAID0, or fstab referencing 2 partitions on 2 of the drives, both set with pri=0 (which supposedly is equivalent to striping of RAID0, performance wise).
Assuming Fedora 12 uses mdraid for my configuration in either instance, am I better of enabling, or disabling the RAID mode in the BIOS? This system is strictly Fedora--no dual booting, no Windows. Any performance gains; reliability benefits between either scenario?It's a Intel P35 motherboard with ICH9R. Storage configuration is either "AHCI" or "RAID"
I ran into some strange issues with dropping drives with the RAID set on in BIOS. When it was set, that gave me two md devices of md126 (RAID0, swap) and 127 (RAID1 split between / and /boot). I think I had md126p1 for the SWAP, and md127p1 for /boot and md127p2 for / Within purely software, i have:
/dev/sda1 RAID
/dev/sda2 swap
/dev/sda3 RAID
[code]...
I suppose unless the BIOS enabled RAID is supposed to be faster, I'll stick with a purely software route and keep the BIOS set to AHCI.
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Jul 8, 2010
I'm attempting to install F13 on a server that has a 2-disk RAID setup in the BIOS. When I get to the screen where I select what drive to install on, there are no drives listed. The hard drives were completely formatted before starting the 13 installation. Do I need to put something on them before Fedora will install?
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Sep 3, 2010
When I moved from Fedora 13 from Fedora 11, I thought the annoying application crashes that I had been having were gone for good. Random crashes - firefox, Thunderbird, Abrt, metacity and what have you with SIGSEGV errors. I'm beginning to believe that these are not down to Fedora or even the RAM (Have run Memtest, several times). I'm not sure if what I am seeing are signs of IRQ conflicts of some sort. Can someone, please have a look and give me some guidance on what to do? Should I reinstall with acpi=off ? noapic? Also, don't have a clue why the system complains of ECC being disabled? The RAM is non-ECC. I have posted some sections of the logs here with links to the full logs instead of making this a massive post.
Code:
EDAC MC: Ver: 2.1.0 Aug 27 2010
EDAC amd64_edac: Ver: 3.3.0 Aug 27 2010
EDAC amd64: This node reports that Memory ECC is currently disabled, set F3x44[22] (0000:00:18.3).
EDAC amd64: ECC disabled in the BIOS or no ECC capability, module will not load.
Either enable ECC checking or force module loading by setting 'ecc_enable_override'.
(Note that use of the override may cause unknown side effects.)
amd64_edac: probe of 0000:00:18.2 failed with error -22
Complete system spec, BIOS details etc.
Full dmesg log on a fresh install. No issues experienced with system installation.
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Dec 5, 2010
I am having problems understanding how sound capable devices are being used on my Ubuntu10.10 64 bit system. I have an ASUS A8V motherboard with on-board multimedia functions provided through the VIA V8237 chip. BIOS gives me the option to disable this functionality and I have set BIOS this way. I want to use an M-Audio 24/96 card for all sound processing.
However, in applications like Audacity the VIA chip functions are all available and can be set as recording and playback devices. The same is true in ALSA.
Why does 'linux' (I have no idea which part of the OS) ignore the BIOS settings?
Furthermore alsamixer always selects the 'default' devices. Where and how are these set?
<System><Preferences><Sound> hardware tab list 2 'Internal Audio' devices but no M-Audio device. What are these devices? Only 1 of them appears to create any output with the 'Test Speakers' tab. This confuses me completely because the speakers are connected only to the M-Audio card.
None of the profiles for 'Settings for the selected device' match the capabilities of the M-Audio card (1 set of stereo inputs and 1 set of stereo outputs). So where are these profiles coming from? Which do I select for the M-Audio card?
What do the Input and Output tabs in <System><Preferences><Sound> mean? Are these different to the hardware tab? The 'Output' tab lists2 devices for sound output: 'Internal Audio Analog Stereo, Stereo' twice. What devices are these ?
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May 4, 2010
I have Ubuntu 10.04 installed on an Asus x83v. About a month ago, my laptop began taking a very long time to boot up, assuming it booted at all. This happened out of the blue for no apparent reason. I found that boot up was faster when I unplugged all USB devices, though it was still a slow process. When I plugged devices back in, they did not work. My iPod was not recognized, nor was my USB mouse. This was extremely frustrating, but I figured it must be an issue with Ubuntu 9.10, and with 10.04 just around the corner, I figured I would upgrade and then see how things were. To make a long story short, it was all the same. With some research, I found that my USB ports were inexplicably disabled.
Here is the output of lsusb:
Code:
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 004: ID 04f2:b071 Chicony Electronics Co., Ltd 2.0M UVC Webcam / CNF7129
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
This is with my USB mouse plugged in.
I went into BIOS and found that USB was enabled. However, on the rare occasion that my computer boots successfully with a USB device plugged in, I get a message like this from Ubuntu prior to reaching the login screen: "Unable to enumerate USB device, Port 002 disabled". I suspect I may need to reinstall my BIOS, however I am at a loss as to how to do so.
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Jul 24, 2010
I'm running SUSE 11.3 on a Dell Inspiron 1501 with a Broadcom BCM4311. I finally got the wireless working earlier with some help from caf4926 and now the card keeps disappearing almost like someone went into the BIOS and disabled it.
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Mar 28, 2010
I have an MSI 845E Max Motherboard. I just purchased the computer USED. I have no manual and from all accounts of the online manual, this MB is doing the impossible.Connected to this MB are 2 WD 60GB hard drives. Bother are recognized in the bios. When booting from the live CD, and running the disk utility I can plainly see that there are the 2 drives and one striped array (using both of those drives).There is no settings in BIOS for any array. If I remove 1 of the drives, the disk utility sees only 1 drive but still sees an array. I can find no way to eliminate, recreate, oe manipulate this array in any way.To make matters worse, I attempted to install an older FREEBSD, using it it saw both drives (no raid). Using their Disk utility I re-partitioned both drives and continued the install. Unfortunately the version I had was an older one and it could not complete the FTP install (And I would rather have Ubuntu anyways). Though through this action I believe that I have destroyed the integetery of the raid and if it is to be used it needs to be fixed.So.. how do I fix something that my BIOS is not supposed to be capable of doing? Has anyone else experienced this issue.
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Feb 8, 2011
I have a Dell Windows7 PC configured with BIOS RAID1. I want to install SLES10 and configure it with Software RAID1. My question is: Do I need to reconfigure the BIOS RAID setting and if so What should it be.
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Mar 17, 2011
I'm helping my brother setup a server he has. The server has a 3Ware 9690SA Hardware RAID card, and it has 4 x 2Tb 5400 RPM Samsung Harddrives. When I boot into the 3Ware BIOS, it recognizes all 4 drives, no problem. What he wants to do is install them in RAID 10 for a 4 Tb mirrored volume for performance and redundancy. When I try to create a RAID array with the 4 drives, and set it to use RAID 10, it only allows me to utilize 2079 Gb (1/4 x 8 Tb), which is half of what I would expect for this RAID config.
Assuming I go ahead and allow it to build the array with this volume, we can go on to install Fedora 14 with no issue, but still only 2 Tb are available. This is our first time setting up a RAID array like this, I've also tried enabling Auto-carving to insure that I have support for physical volumes larger than 2 Tb, but to no avail. With the version of Linux we're running, and the RAID card he's got, it should support greater than 2 Tb PVs either way though.
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Mar 23, 2009
I changed something in the BIOS which causes a kernel panic, if my card is installed (Ultra ATA/133 PCI-to-ATA Host Controller). I had it working fine til a month ago, when I installed some Linux on a HD on that card. That booted fine too, and I did some disk switching. Still all was well, but yesterday I tried to boot XP (2nd IDE master)(GRUB is Ubuntu/2nd IDE slave), and XP wouldn't load. I clicked here, and clicked there, and now XP and Ubuntu boot, ONLY if the RAIDbus card is Out. Put the card in, and I get a kernel panic/lockup. This HAS to be a BIOS function - nothing is different on the disks, including GRUB menu.
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Aug 4, 2010
I'm trying to install Debian Lenny on my new Dell XPS 8100 Desktop with 2 x 1To SATA HD. (No Windows or any other OS install is present on the system) The Bios allows me to change the SATA mode to either "ATA" or "RAID"
- When SATA mode is set to RAID, the installation goes without issues, but when it comes to load into the system, I've got that Stage 1.5 Grub Loading... Error 2 problem. I assume this is due to the Bios "RAID" configuration. I then switched the SATA mode to "ATA" in the Bios and now I can see the menu that allows me to boot my debian install but that part actually fails too saying "ALERT /dev/sda1 does not exist"
- When SATA mode was set to ATA, I tried to re-install the system but this time my drive was not recognized by the installer: "No common CD ROM drive"
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Nov 26, 2010
I have installed Ubuntu on my m1530 since 8.04 and currently dual boot Win7 and 10.10. I would like to dual boot on my PC, but I have run into a problem. I am not a pro at Ubuntu, but this problem I can not solve by reading forums like I have in the past.
I realize this is a common problem, but I have noticed people having success.
I have a M4A87TD EVO MB with two Seagate drives in Raid 0. (The raid controller is a SB850 on that MB) I use the raid utility to create the raid drive that Windows7x64 uses. I have 2 partitions and 1 unused space. Partition 1 is Windows, partition 2 is for media, and the remaining unused space is for Ubuntu.
I am running ubuntu-10.10-desktop-amd64 off a Cruzer 16GB flash drive that was installed via Universal-USB-Installer-1.8.1.4.
My problem like so many others is that when I load into Ubuntu, gparted detects two separate hard drives instead of the raid. I read that this is because kpartx is not installed on 10.10. I then went in LiveCD mode and downloaded kpartx from Synaptic Manager. Gparted still reported two drives. I opened terminal and run a few commands with kpartx. I received an error. (Forgive me I didn't write it down, but I believe it said something about a communication error. I will try again later and see.)
Currently I am reflashing the Cruzer with a persistence of 4GB. I am not familiar with this process, but I understand that my LiveCD boot will save information I download to it. I decided to try this method because I was going to install kpartx and reboot to see if this made a difference.
I am looking for any suggestions on a different method or perhaps someone to tell me that the raid controller or some hardware isn't supported. I did install ubuntu-10.10-alternate-amd64 on my flash drive, but fail to get past detecting my CD-ROM drive since it's not plugged in. If this method is viable, I will plug it in. I also watched the ..... video were a guy creates Raid 0 with the alternated CD, but it wasn't a dual boot and didn't use a raid controller from a MB.
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Feb 1, 2011
Could any RAID gurus kindly assist me on the following RAID-5 issue?I have an mdadm-created RAID5 array consisting of 4 discs. One of the discs was dropping out, so I decided to replace it. Somehow, this went terribly wrong and I succeeded in marking two of the drives as faulty, and the re-adding them as spare.
Now the array is (logically) no longer able to start:
mdadm: Not enough devices to start the array.Degraded and can't create RAID ,auto stop RAID [md1]
I was able to examine the disks though:
Code:
root@127.0.0.1:/etc# mdadm --examine /dev/sdb2
/dev/sdb2:
Magic : a92b4efc
Version : 00.90.00
code....
Code:
mdadm --create --assume-clean --level=5 --raid-devices=4 /dev/sda2 /dev/sdb2 /dev/sdc2 /dev/sdd2
As I don't want to ruin the maybe small chance I have left to rescue my data, I would like to hear the input of this wise community.
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Sep 15, 2010
It's been a real battle, but I am getting close.I won't go into all the details of the fight that I have had, but I've almost made it to the finish line. Here is the set up. ASUS Z8PE-D18 mother board 2 CPU, 8 Gig Ram. I recently added an OCZ Agility SSD, defined a raid 1 virtual disk on the 1 terabyte WD HDD drives, which will holds all of my user data, the SSD is for executables.The bios is set to AHCI. Windows 7 installed fine, recognizes the raid VD just fine.
I installed Ubuntu 10.04 by first booting into try and mode, then opening a terminal and issuing a "sudo dmraid -ay" command. Then performing the install. I told it to install the raid components, and told it to let me specify the partitions manually. When setting up the partitions, I told it to use the free space I set aside on the SSD from the Windows 7 install as ext4 and to mount root there. Ubuntu installed just fine, grub2 comes up just fine, and Windows 7 boots with out a hitch, recognizing the mirrored partition as I indicated previously. When I tell grub to boot linux however, it pauses and I get the "no block devices found" message. It will then boot, but it does not recognize the raid array. After Ubuntu starts up I can run "dmraid -ay" and it recognizes the raid array, but shows the two component disks of the raid array as well. It will not allow the component disks to be mounted, but they show up which is annoying. (I can live with that if I have to)
I have fixed a similar problem before by setting up a dmraid script in /etc/initramfs-tools/scripts/local-top ... following the instructions found at the bottom of this blog:[URL].. To recap: My problem is that after grub2 fires up Ubuntu 10.04.1 LTS (Lucid Lynx), it pauses, and I get "no block devices found" It then boots but does not recognize the raid array untill I manually run "dmraid -ay". I've hunted around for what to do but I have not found anything. It may be some timing issue or something, but I am so tired of beating my head against this wall.
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Apr 17, 2010
I am trying to install Ubuntu 9.10 on a laptop. The laptop does not have working cd-rom or an operating system installed. I was hoping to install via USB cd-rom. The bios is an old one and will not allow booting from USB. Does anyone know of a way for me to install?
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Jun 7, 2010
I purchased a used Windows XP Pro machine and can't install Ubuntu as the system says "boot from CD disabled. How can I restore the booting process?
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Dec 20, 2010
I don't usually have any issues with installing ubuntu but I figured I would ask around here before I try anything major. I just installed the latest version of ubuntu on a compaq presario cq60. I have no issues connecting to the internet via ethernet but for some reason the wireless says its disabled in the top corner. Now there is a button that has the wireless off/on capablilty but whats strange is in Windows it would always boot to be off and I would have to press it to activate it. It boots orange but when ubuntu boots it goes blue(on, but clearly it isn't.
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Feb 28, 2010
I was given an old Compaq Presario computer; it had a 3.2GB hard drive with windoze 98 (put your crucifixes down, please) and a somewhat broken CD drive. I replaced the CD with a spare DVD ROM and the hard drive was replaced with a spare 250GB. I also removed the old ISA Fax/modem and installed a PCI network card. On top of this I also burned a copy of Xubuntu 8.04 on my main PC, for loading onto the old timer.
But then I came to use the old machine, the BIOS recognised the new DVD ROM, but no menu appeared, just the word "COMPAQ", any attempt to access the BIOS met with no response, (would not respond to "Del" or "Esc" or any of the "F" keys) the PC then attempts to boot from the hard drive (it had an old version of, what I think may be Ubuntu, as it comes up with a GRUB error 1!
I did notice the DVD ROM drive's light flash during the boot sequence. how to access the BIOS?It would be a shame for me to throw this old PC out! (I could always salvage the parts, I have 2 other motherboards and cases ready to make up some more computers, making 5 computers in my network)
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Apr 2, 2010
i have managed to install ubuntu onto the USB and everything is working fine but the problem i am having is that i can't seem to access the bios on the netbook so i can't boot from the USB.i managed to get acess to the root files using this guide:url...all i need to do is figure out how to get access to the Bios so i can change the settings so it boots from USB.
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May 16, 2010
I've just installed 10.04 twice on 2 separate disks and it seems to have done something really strange to them. BIOS will not recognise them anymore, it just waits but they never come online. I have to unplug the disk completely for the system to boot.The first time I thought I'd just lost a disk, but when exactly the same thing occurred the second time around, it seems like too much of a coincidence.The installer didn't recognise the disks first time around as they were part of a RAID group previously. I did a dmraid -E -r /dev/sda to fix. After that just installed as per every other time I've used.
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Jun 9, 2010
I was wondering to restore on old laptop to working order. This laptop is an old early 2000's Sony Viao, which I found in the trash. Still powers on, and can boot the latest Ubuntu LiveCD. The issue is that it did not have a harddrive in it, and I really do not want to shell out money for a drive for a laptop this old, but would still like to bring it back into service as a thin client or general purpose web/email terminal. The BIOS does NOT have a USB boot option, and every tutorial I have seen requires that in order to boot Ubuntu from a USB stick (which is what I do have). What I am wondering is, is there any way to just keep the LiveCD in the drive and use that to boot the kernel, etc, and then have it look for the rest of the filesystem on the USB stick?
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Jun 18, 2010
I have made a bootable pen drive (2gb) and have a 30gb partition on my hard drive for unbuntu. I am trying to try the OS by USB at the start into The BIOS If ya gets what I mean. It successfully loads The Options menu where you pick a choice like run from usb. So I run from usb and and it Loads Ubuntu just the purple background and the beans underneath it loading forever.
In the Logs this comes up
/init:line7:cant open /dev/sr0 :No medium
End Request :i/O error, Dev/Fdo :Logical Block 0
I am using Windows 7 Build 7100* with a computer I built a year ago. Intel e8400,6gb Ram, Asus P5Q SE Pro,and 100gb left on hard drive (30 Excluding cause I partitioned it.
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Jul 1, 2010
when on it`s own but if i put another drive on the same lead either as master or slave it is then reconised? If i boot into a boot disk for windows even though i have no c drive some of the utilities work the same and reconise it hd tune for instance.Would it have some thing to do with the size of the drive? Im using a fujitsu pentium 4 board.
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Oct 10, 2010
I'm trying to install ubuntu Linux on a Pentium 3 computer which does not support booting to the CD-ROM drives. What are my options on other ways to install? Could I either use a 3.5inch floppy disk to get it started or install on another computer and just switch the disk back over right before configuring all the hardware?
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Mar 31, 2011
I know Ubuntu can be installed from a USB thumb drive but I have a unique problem. My CD drive in my laptop doesn't work any longer and I have no way to replace it. I know I can place Ubuntu on the flash drive but the bios in my laptop does not allow booting from USB and not ROM update for the laptop. So my question is, since this laptop does have Win7 on it, I can partition the drive to make room for a dual boot, but how do I get Linux on the new partition with out a CD Drive or bootable usb?
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May 2, 2010
Upgraded from 9.04 to 9.10, touchpad on my laptop stopped working, but i had my USB mouse so I upgraded to 10.4. After the reboot, both the USBMouse and touchpad no longer work, rendering my Ubuntu Installation a useless. Luckly I have OpenSuse installed on this laptop as well. I have a Gateway MP6954
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Jul 23, 2010
The Firefox 3.6.7 update this morning disabled most of the plug-ins that were installed and working. This has happened a few times and is a real problem for those of us who depend on the plug-ins to perform our work. es, I suppose it would be possible to manually predetermine the compatibility of each plug-in prior to installing an update. But that is very time consuming, painful, and prone to error.
There needs to be a pre-install process that will do those checks and warn the user of any incompatibilities - then allow them to choose whether to install the update. I never have understood why the current "shotgun" approach was chosen. It breaks many things.
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Sep 19, 2010
I have looked at Ubuntu LiveCDs going back to Edgy, but regardless what version I'm trying or what box I'm trying it on, my wireless network card never works - I can never connect to my network.I've begun to believe that the NIC must be intentionally disabled on the LiveCD version. :/ Conversely, with Mint Linux and PCLinuxOS (for example) LiveCDs, I slap the disc in, enter my network key, and BOOM-- I'm on the internet.
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