Debian :: Raid - No Booting / Reboot The System Does Not Boot?

Nov 5, 2010

There seems to be a problem with Raid on Debian. I got a new Fujitsu Primergy TS 100 S1 server, with hardware Raid (and 2 disks) installed everything nicely over the net including GRUB - but when it comes to reboot the system does not boot.

Is there anybody here who knows about the problem?

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Debian :: System Reboot And Cannot Boot After Dist-upgrade

Dec 12, 2015

I use Debian testing for six months and I started used it six months ago. I use apt-get distupgrade for long times , but today after apt-get update and apt-get dist-upgrade , my system reboot and can not boot and I see URL...and system can not , I see this errors after grub

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Debian :: In A Dual Boot System Not Booting After Re-installing Windows Xp?

Mar 26, 2010

me a easy and right answer to this post

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Fedora :: After Giving Reboot Command System Hangs During Booting

Mar 2, 2011

today i installed nvidia graphic card drivers for fedora13 using yum, after giving reboot command the system hangs during bootin.

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Debian :: Squeeze Sudden Reboot During Booting

Jul 19, 2011

When I start the laptop, booting squeeze, after the screen printed"waiting for /dev to be fully populated... conflict with acpi region smbi..." (and maybe some other msg followed) the laptop will suddenly power off and automatic restart, after several times restart, I may have good luck to log into the squeeze KDE interface. The problem also occur when I choose booting in recovery mode How can I fix this annoying problem, or where can I check the fail booting log before the restart log overwrite it?

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Ubuntu :: Mdadm Raid + GRUB = Not Booting - Error: Unsupported RAID Version: 0.91

Jul 18, 2011

I have a raid5 on 10 disk, 750gb and it have worked fine with grub for a long time with ubuntu 10.04 lts. A couple of days ago I added a disk to the raid, growd it and then resized it.. BUT, I started the resize-process on a terminal on another computer, and after some time my girlfriend powered down that computer!
So the resize process cancelled in the middle and i couldn't acess any of the HDDs so I rebooted the server.

Now the problem, the system is not booting up, simple black with a blinking line. Used a rescue CD to boot it up, finised the resize-process and the raid seems to be working fine so I tried to boot normal again. Same problem. Rescue cd, updated grub, got several errors: error: unsupported RAID version: 0.91. I have tried to purge grub, grub-pc, grub commmon, removed /boot/grub and installed grub again. Same problem.

I have tried to erased mbr (# dd if=/dev/null of=/dev/sdX bs=446 count=1) on sda (ide disk, system), sdb (sata, new raid disk). Same problem. Removed and reinstalled ubuntu 11.04 and is now getting error: no such device: (hdd id). Again tried to reinstall grub on both sda and sdb, no luck. update-grub is still generating error about raid id 0.91 and is back on a blinking line on normal boot. When you'r resizeing a raid MDADM changed the ID from 0.90 to 0.91 to prevent something that happend happened. But since I have completed the resize-process MDADM have indeed changed the ID back to 0.90 on all disks.

I have also tried to follow a howto on a similar problem with a patch on [URL] But I cant compile, various error about dpkg. So my problem is, I cant get grub to work. It just gives me a blinking line and unsupported RAID version: 0.91.

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Fedora Installation :: F12 Won't Boot On LVM/RAID System After Upgrade

Dec 9, 2009

I upgraded from F10 to F12 using preupgrade. The upgrade itself completed with no errors, but I'm unable to boot afterward.

Symptoms:...Grub starts, the initramfs loads, and the system begins to boot. After a few seconds I get error messages for buffer i/o errors on blocks 0-3 on certain dm devices (usually dm0 and dm2, but I can't get a shell to figure out what those are). An error appears from device-mapper that it couldn't read an LVM snapshot's metadata. I get the message to press "I" for interactive startup. UDEV loads and the system tries to mount all filesystems. Errors appear stating that it couldn't mount various LVM partitions. Startup fails due to the mount failure, the system reboots, and the steps repeat.

Troubleshooting done:...I have tried to run preupgrade again (the entry is still in my grub.conf file). The upgrade environment boots, but it fails to find the LVM devices and gives me a question to name my machine just like for a fresh install. I also tried booting from the full install DVD, but I get the same effect. Suspecting that the XFS drivers weren't being included, I have run dracut to create a new initramfs, making sure the XFS module was included. I have loaded the preupgrade environment and stopped at the initial GUI splash screen to get to a shell prompt. From there I can successfully assemble the raid arrays, activate the volume group, and mount all volumes -- all my data is still intact (yay!). I've run lvdisplay to check the LVM volumes, and most (all?) appear to have different UUIDs than what was in /etc/fstab before the upgrade -- not sure if preupgrade or a new LVM package somehow changed the UUIDs. I have modified my root partition's /etc/fstab to try calling the LVM volumes by name instead of UUID, but the problem persists (I also make sure to update the initramfs as well). From the device-mapper and I/O errors above, I suspect that either RAID or LVM aren't starting up properly, especially since prior OS upgrades had problems recognizing RAID/LVM combinations (it happened so regularly that I wrote a script so I could do a mkinitrd with the proper options running under SystemRescueCD with each upgrade).

I have tried booting with combinations of the rootfstype, rdinfo, rdshell, and rdinitdebug parameters, but the error happens so early in the startup process that the messages quickly scroll by and I just end up rebooting.

System details:4 1-TB drives set up in two RAID 1 pairs. FAT32 /boot partition RAIDed on the first drive pair. Two LVM partitions -- one RAIDed on the second drive pair and one on the remainder of the first drive pair. Root and other filesystems are in LVM; most (including /) are formatted in XFS.

I've made some progress in diagnosing the issue. The failure is happening because the third RAID array (md2) isn't being assembled at startup. That array contains the second physical volume in the LVM volume group, so if it doesn't start then several mount points can't be found.

The RAID array is listed in my /etc/mdadm.conf file and identified by its UUID but the Fedora 12 installer won't detect it by default. Booting the DVD in rescue mode does allow the filesystems to be detected and mounted, but the RAID device is set to be /dev/md127 instead of /dev/md2.

The arrays are on an MSI P35 motherboard (Intel ICH9R SATA chipset) but I'm using LInux software RAID. The motherboard is configured for AHCI only. This all worked correctly in Fedora 10.

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Ubuntu Installation :: Possible To Have A Dual Boot System And Have It In RAID 0 ?

Mar 21, 2010

Is it humanly possible to have a dual boot system and have it in RAID 0

I have three Hard drives.....
The three drives that I have are250GB IDE
1TB Sata
1TB Sata

And I edit . produce a lot of music/videos

What I am looking to do it have my 250Gb IDE drive as my Operating system (partitioned in two or something, one for Windows Another for Ubuntu)

And I would like when I am on either Operating System (ubuntu/windows_7)
its see's ,my computer as having a 2TB HDD (setting the two 1TB HDD's in RAID 0 )

So in Laymans... 250GB for OS's and 2TB (2 x 1TB HDD) as DATA drives

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Server :: Convert RAID 1 To NON-RAID System In Cent OS 5 System?

Jan 6, 2010

Here is my system: I have dell poweredge 1950 PERC 6 with 300 GB raid system. It has two disks of each 300GB RAID mirrored system. I have few applications and data that reached around 280GB. As you know, poweredge 1950 we can have only two disk.

They are not mission critical. Hence, I wanted to remove the raid system and use as a non-raid system. By doing it, The applications and data can grow upto 600GB. I do not want to loose the data and setup. I am not so clear about RAID system and its conversion.

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OpenSUSE Install :: RAID Driver In Dual Boot System?

Feb 11, 2010

I just installed SUSE 11.2 as dual-boot with WinXP on an older system that has a 160GB PATA drive and a 500GB SATA RAID drive. I left about 80GB on the PATA drive unpartitioned to accommodate SUSE. During the initial installation attempt, SUSE was determined to install on the RAID drive instead of the PATA drive, so I disabled the SATA drivers in the BIOS to force the installation on the PATA drive. This was successful, but now there is no access to the RAID drive from SUSE because there is no driver and it is not mounted. I reactivated the SATA drivers in the BIOS and the RAID drive reappeared in WinXP with everything intact. The SATA drives now appear in SUSE under Hardware Information as "/dev/sdb" and "/dev/sdc" and the listed driver is "sata_sil".

So how do I get the RAID drivers installed in SUSE and then mount the drive so it can be browsed/modified from Dolphin? I would also like to be able to browse/change this drive from other computers on my home network through samba, just like with WinXP.

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Debian :: /boot On RAID 1 With Squeeze Can Not Boot From 2nd Disc

Jan 21, 2011

For several days I stuck on a problem despite my various searches on the net. I just installed a machine in RC1 Squeeze.

My Partitioning
Disc 1
/ boot RAID 1
/ swap RAID 1 and encrypted
/ RAID 1 and encrypted

[Code]....

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Debian :: System Rescue With Hardware RAID

Mar 1, 2016

I had a RAID problem on an HP Proliant server due to a failing disk. When I changed the disk, things got complicated and RAID seemed to be broken. I put back the old disk, repaired the RAID, then changed put the new disk again and all returned to normal except the system doesn't boot. I am stuck at grub stage (the grub rescue prompt). I grabbed a netinst CD and tried to rescue it, at some point, the wizard correctly sees my two partitions sda1 and sda2 and asks wether I want to chroot to sda1 or sda2. I had red screen errors on both.

The error message said to check syslog, syslog says can't mount EXT4 file system beacuse bad superblock. I switched to TTY2 (Alt-F2) and tried fsck.ext4 on sda1 (I think sda2 is the swap because when I ran fsck on it it said something like this partition is too small and suggested that it could be swap) it says bad superblock and bad magic number. I tried e2fsck -b 8193 as suggested by the error message but that too didn't work (I think the -b 8193 is for trying to get he backup superblock).

The RAID is as follows : One RAID array of 4 physical disks that are grouped into one Logical Volume /dev/sda, so the operating system only sees one device instead of four (4 disks).

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Fedora Installation :: F15 Upgrade - Cold Boot Error "Your System Last Boot Fail Or Post Interrupted Please Enter Setup To Load Default And Reboot"

Jun 30, 2011

I just upgraded to F15 and it went well. But at the next and each subsequent cold boot the BIOS reports "Your system last boot fail or post interrupted Please enter setup to load default and reboot". The board is an asus P5N-D. I press F1 to blow past the error and all is well until the next cold boot. Restarts are fine, no errors at all.

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Debian Installation :: Bootloader Doesn't Show After System Reboot

May 9, 2015

I wanted to switch to Linux from Windows so I decide to install Debian. The installation completed successfully but after that the bootloader doesn't show after the system reboot. So it is just black screen. I have an option for booting Debian (which will go to a black screen) and go to command line which looks like command prompt in Windows. I tried going to the command and it shows

grub>

I don't know which command to input since I'm a newbie and not familiar with Linux. I installed Debian from USB using unetbootin. What I should do to successfully install Debian?

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Debian Configuration :: Clock Readjusted After System Crashed - Cannot Reboot

Dec 20, 2010

I have recently come across a Debian installation page for powerpc: viewtopic.php?t=20481. It got me motivated to fix the Debian I have on my iBook G4. I have a Debian Lenny installed on my iBook G4 -- but I have been having some sort of problem (mostly likely due to hardware) which causes the system to crash. After the latest crash, the clock on iBook has been readjusted. For this reason, I cannot reboot Debian completely.

Every time I turn on the computer it begins the booting process but before I get to my desktop I encounter numerous error messages concerning my clock. After either OK'ing or canceling these error messages, I get to my desktop but the system by then is either frozen or else not working at all. Worse, I can't even turn off the computer since the upper right corner of the desktop is completely blank and I have no menu to turn off or reboot the system.

It took this computer to a local Apple store and they ran many different hardware diagnostic tests on it. They concluded there's "technically" nothing wrong with the computer. But they said although the system has successfully passed all hardware tests, there may still remain some complicated but slight hardware glitch/es which the hardware diagnostics could not pick up.

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Debian :: Booting A Second System Install From USB

Mar 23, 2015

I have installed a basic Debian system. I have a bootable Windows 7 ISO I'd like to install, but don't know how to do a USB install in Debian. I tried double clicking the USB logo in Debian and got an error message "Unable to mount Location. Error mounting: mount exited with exit code 1: helper failed with: Unprivileged user can not mount NTFS block devices using the external FUSE library. Either mount the volume as root, or rebuild NTFS-3G with integrated FUSE support and mkake it setuid root.

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Debian Installation :: Possible To Boot Off Of RAID 5?

Jan 8, 2011

I am looking to build a server with 3 drives in RAID 5. I have been told that GRUB can't boot if /boot is contained on a RAID arrary. Is that correct? I am talking about a fakeraid scenario. Is there anything I need to do to make it work, or do I need a separate /boot partition which isn't on the array?

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General :: Migrate An Installed Ubuntu System From A Software Raid To A Hardware Raid?

Jun 29, 2011

migrate an installed Ubuntu system from a software raid to a hardware raid on the same machine? how would you go about doing so?

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Debian Installation :: No Boot From RAID Array?

Dec 22, 2010

I installed Debian 5.0.3 (Backport with .34 Kernel), because my server hardware (Dell PowerEdge R210) needs special firmware and drivers.However, the installation went quite smooth.I put the system on a RAID 1 Array with about 500 GB space.s I said the installation went well, however, it doesn't boot! No GRUB, nothing

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Debian Hardware :: System Freezes And Requires A Reboot In Order To Restore Connectivity

Nov 26, 2015

I have a home server running Debian Wheezy ( 3.2.0-4-amd64 #1 SMP Debian 3.2.68-1+deb7u6 x86_64 GNU/Linux). I have a Realtek RTL8111/8168B NIC and an Intel 82574L. I saw while searching Google that both cards have this issue. I'm currently using the Realtek card for LAN connectivity. If I try to tranfer large files via SAMBA or have any kind of load on the NIC, my system freezes and requires a reboot in order to restore connectivity. The error message from kern.log is:

Nov 26 02:41:53 golgotha kernel: [ 5178.413329] AMD-Vi: Event logged [IO_PAGE_FAULT device=0a:00.0 domain=0x0021 address=0x0000000000003000 flags=0x0050]
Nov 26 02:42:04 golgotha kernel: [ 5188.800088] ------------[ cut here ]------------
Nov 26 02:42:04 golgotha kernel: [ 5188.800100] WARNING: at /build/linux-Tvajqd/linux-3.2.68/net/sched/sch_generic.c:256 dev_watchdog+0xf2/0x151()

[code]....

Everything runs fine until I try to do a large file tranfer or have multiple users connected.

lspci returns:

09:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection
0a:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 09)

Also, I've rolled the driver back to rtl_nic/rtl8168f-1.fw and currently have that installed, but the error still occurs.

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Software :: Rebuilt RAID Array With Old Mount Points Present - File System Check Fails On Boot

Dec 2, 2009

I have one hard disk for my root partition and a disk array on a separate mount point. I rebuilt my disk array, but I didn't delete my original mount points beforehand because I was hoping it would just "pick up". So now when I boot up, the OS tells me that the filesytem check fails because it can't find the array to map to the mount point. I know that I need to edit my /etc/fstab and remove the line that defines my mount point on the disk array. But it appears to be read only filesystem when I am in repair mode. I can't force the write with vi.

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General :: System Information Shown When Booting Debian

May 18, 2010

When booting Debian, you'll see it printing a lot of information about the system variables and such.

I don't really need to see all that, so I'd like to modify some scripts to make sure that on boot, it just does what it has to do, without printing it on the screen. Just something I fancy.

Offcourse, still seeing errors would be nice. But that long slur of text, I could do without.

I've tried looking it up, but I can't find documentation on this specific thing anywhere.

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Debian Configuration :: RAID - Md0p1 Won't Automount At Boot

Mar 24, 2011

If you want, skip straight to the 'QUESTION' at the end of my post & refer to the 'EXPLANATION' later. EXPLANATION: Using Debian 6.01 Squeeze 64-bit. Just put together a brand new 3.3Ghz 6-core AMD. I had a nightmare with my Highpoint 640 raid controller, apparently because Debian Squeeze now handles raid through sysfs rather than /proc/scsi. The solution to this, of course, is to recompile the kernel with the appropriate module for /proc/scsi support. So I thought "screw that" and I've yanked out the raid card & went with Debians software raid. This allowed me to basically complete my mission. The raid is totally up and running, except for one final step... I can't get the raid to automount at boot.

My hardware setup;
- Debian is running totally on a 64Gb SSD. (sda)
- I have 3x 2Tb hard drives used for storage on a raid 1 array (sdc,sdd,sde)

[Code]....

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General :: Debian Software RAID 1- Boot From Both Disk

Mar 15, 2011

I newly installed debian squeeze with software raid. The way I did was, as also given in this thread.

- I have 2 HDD with 500 GB each. For each of them, I created 3 partitions (/boot, / and swap)
- I selected the hard drive and created a new partition table
- I created a new partition that was 1GB. I then specified to use the partition as a Physical Volume for RAID. and used for /boot and enabled bootable.
- Created another partition, which is of 480 GB, and then specified to use the partition as a Physical Volume for RAID. and used for /.
- Created another partion and used for swap

Then RAID configuration:
Through Configure RAID menu -> create MD device ->
(2 for the number of drives, 0 for spare devices)
Next select the partitions you want to be members of /dev/MD0. I selected /dev/sda1 and /dev/sdb1 (for /boot)
Next select the partitions you want to be members of /dev/MD1. I selected /dev/sda6 and /dev/sdb6 (for /)
And no RAID for swap partitions

'Finish Partitioning and write changes to disk' --> Finish the rest of the install like normal. Everything is ok now, except I am not sure how to test my raid config. When I pull the power of the HDD, it only boots from one disk. I read in some forum that I may have to install GRUB manually on the other. In Debian Squeeze, there is no grub command. Not sure how to make my software raid bootable from both disk. I configured /boot partitions of both disks to be boot=yes. Not sure whether that is ok.

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Debian Installation :: Will Not Boot After Install On Areca ARC-1110 RAID

Dec 1, 2010

I performed an install using the 5.0.6 amd64 netinst cd on a dual opteron server with an Areca ARC-1110 4-port SATA hardware RAID card. I have 2 250GB drives set up as RAID 1. The debian install saw it as only one drive, just as it should. Install went smoothly, but on reboot, the system would not load.

I did some research and tried a couple of things with no luck. Like adding a delay in the grub command. It jus sits at loading system for a while then times out and loads busy box. Just to check things out, I booted into an Ubuntu live-cd and mounted the volume. The file system is there and all of the necessary files. How to use one of these cards successfully?

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Ubuntu :: Converting RAID 1 To RAID 5 System

Jun 12, 2010

I have two 1TB hard drives in a RAID 1 (mirroring) array. I would like to add a third 1TB drive and create a RAID 5 with the 3 drives for a 2TB system. I have ubuntu installed on a separate drive. Is it possible to convert my RAID 1 system to a RAID 5 without losing the data? Is there a better solution?

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Debian Installation :: Grub Rescue - Will Not Boot From Mdadm RAID - No Such Disk

Sep 19, 2014

I am running a 14 disk RAID 6 on mdadm behind 2 LSI SAS2008's in JBOD mode (no HW raid) on Debian 7 in BIOS legacy mode.

Grub2 is dropping to a rescue shell complaining that "no such device" exists for "mduuid/b1c40379914e5d18dddb893b4dc5a28f".

Output from mdadm:
Code: Select all    # mdadm -D /dev/md0
    /dev/md0:
            Version : 1.2
      Creation Time : Wed Nov  7 17:06:02 2012
         Raid Level : raid6
         Array Size : 35160446976 (33531.62 GiB 36004.30 GB)
      Used Dev Size : 2930037248 (2794.30 GiB 3000.36 GB)
       Raid Devices : 14

[Code] ....

Output from blkid:
Code: Select all    # blkid
    /dev/md0: UUID="2c61b08d-cb1f-4c2c-8ce0-eaea15af32fb" TYPE="xfs"
    /dev/md/0: UUID="2c61b08d-cb1f-4c2c-8ce0-eaea15af32fb" TYPE="xfs"
    /dev/sdd2: UUID="b1c40379-914e-5d18-dddb-893b4dc5a28f" UUID_SUB="09a00673-c9c1-dc15-b792-f0226016a8a6" LABEL="media:0" TYPE="linux_raid_member"

[Code] ....

The UUID for md0 is `2c61b08d-cb1f-4c2c-8ce0-eaea15af32fb` so I do not understand why grub insists on looking for `b1c40379914e5d18dddb893b4dc5a28f`.

**Here is the output from `bootinfoscript` 0.61. This contains alot of detailed information, and I couldn't find anything wrong with any of it: [URL] .....

During the grub rescue an `ls` shows the member disks and also shows `(md/0)` but if I try an `ls (md/0)` I get an unknown disk error. Trying an `ls` on any member device results in unknown filesystem. The filesystem on the md0 is XFS, and I assume the unknown filesystem is normal if its trying to read an individual disk instead of md0.

I have come close to losing my mind over this, I've tried uninstalling and reinstalling grub numerous times, `update-initramfs -u -k all` numerous times, `update-grub` numerous times, `grub-install` numerous times to all member disks without error, etc.

I even tried manually editing `grub.cfg` to replace all instances of `mduuid/b1c40379914e5d18dddb893b4dc5a28f` with `(md/0)` and then re-install grub, but the exact same error of no such device mduuid/b1c40379914e5d18dddb893b4dc5a28f still happened.

[URL] ....

One thing I noticed is it is only showing half the disks. I am not sure if this matters or is important or not, but one theory would be because there are two LSI cards physically in the machine.

This last screenshot was shown after I specifically altered grub.cfg to replace all instances of `mduuid/b1c40379914e5d18dddb893b4dc5a28f` with `mduuid/2c61b08d-cb1f-4c2c-8ce0-eaea15af32fb` and then re-ran grub-install on all member drives. Where it is getting this old b1c* address I have no clue.

I even tried installing a SATA drive on /dev/sda, outside of the array, and installing grub on it and booting from it. Still, same identical error.

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Debian Installation :: Cannot Make Grub2 Boot Software RAID (Error)

Jun 2, 2011

I have a Dell PowerEdge SC1425 with two SCSI-disks, that I have tried installing Debian Squeeze on. This machine has previously been running Lenny (with grub 1), and the upgrade was done by booting a live-cd, mounting the root partition and moving everything in / to /oldroot/, then booting the netinstall (from USB), selecting expert install and setting up everything (not formatting the partition).

Both disks have identical partition tables:
/dev/sda1 7 56196 de Dell Utility
/dev/sda2 8 250 1951897+ fd  Linux raid autodetect
/dev/sda3 * 251 9726 76115970 fd  Linux raid autodetect
/dev/sda1 and /dev/sdb1 contain a Dell Utility, that I have left in place.
/dev/sda2 and /dev/sdb2 are members of a Raid-1 for swap.
/dev/sda3 and /dev/sdb3 are members of a Raid-1 for / formatted with reiserfs.

After installation, grub loads, but fails with the following message:
GRUB loading.
Welcome to GRUB!
error: no such disk.
Entering rescue mode...
grub rescue>

Doing "ls" shows:
(md0) (hd0) (hd0,msdos3) (hd0,msdos2) (hd0,msdos1)

I can do the following to get grub to boot:
set root=(hd0,3)
set prefix=(hd0,3)/boot/grub
insmod normal
normal
This will bring me to the grub menu, and the system boots.

It appears that grub has only found md0, which I believe is the swap partition, because ls (md0)/ returns error: unknown filesystem. I have installed grub to both sda, sdb and md1, and tried dpkg-reconfigure grub-pc and dpkg-reconfigure mdadm, as well as update-grub.

I manually added (md1) /dev/md1
to /boot/grub/device.map, but still no result.

I have run the boot_info_script.sh, but unfortunately I cannot attach the RESULTS.txt, because the forum aparently does not allow the txt-extension. Instead I have placed it here: [URL]. I am tempted to go back to grub-legacy, but it seems I am quite close to getting the system working with grub2.

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Debian :: Grub If Only Booting / Only To Boot/load More Than One OS?

Nov 9, 2010

I am using Debian Squeeze, having installed it after Windows 7, each on a separate HD.

What happened was that Win7 became unbootable and, after failing to recover it, decided to live without it.

After a (happy) week of Windows-free life, I'm wondering if I can safely remove GRUB ("Grub-pc" and "Grub-common" are installed) since, as far as I know, GRUB is there only to boot/load more than one OS?

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Ubuntu Installation :: Dual Boot - Win 7 And 10.10 On Raid 0 - No Raid Detect

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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