Hardware :: Fedora 11 RAID 1 - Disk Failure - Boot From The Single Working Disk?

Oct 16, 2009

my Fedora 11 system is not starting anylonger. It stops with the message:

Code:

VFS: Can't find ext4 filesystem on dev dm-0

The system told me since a while, that a lot of the sectors of one disk of the (software) RAID compound are failed already. So tried to disconnect each of the disks and start them separately. Unfortunaltly this is not working (for one its is not working at all, the other wents the same far as with both), when I tried to recover the system with the Fedora DVD, it said no distribution found. I am quite new and do not know so much about linux system, so i do not know what further information you could need. Maybe it can be important, that both disks are encryped (the system wents so far, that I can type in the password).

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Ubuntu Installation :: Migrate Working Single Disk System To Existing RAID Array Using Disk UUIDs

Aug 1, 2010

I had done a new lucid install to a 1 TB RAID 1 array using the alternate CD a few weeks back. I messed up that system trying to some hardware working that lucid doesn't have drivers for yet, so I gave up on it and reinstalled to a single 80 GB disk that I now want to move over to the RAID array.

I moved all of the existing files on the array to a single folder, then copied all of the folders from the 80 GB disk over to the array with permissions and symlinks (minus the contents of /proc and /sys, which I created empty).

These are the commands I used:

Quote:

p -a -d -R -v -t /media/raid_array /b*
cp -a -d -R -v -t /media/raid_array /d*
cp -a -d -R -v -t /media/raid_array /e*
cp -a -d -R -v -t /media/raid_array /h*

[Code]....

I tried to change fstab to use the 689a... for root, but when I try to boot, it's still trying to open /dev/disk/by-uuid/412d...

So then I booted from the single disk again and chrooted into the array, then ran update-initramfs -u. I got 3 "grep: /proc/modules: No such file or directory" errors, and "cat: /proc/cmdline: No such file or directory"- so I created directory /proc/modules, created an empty file /proc/cmdline, and ran the initramfs update again. Then I tried to shut down, which hung (probably because I was doing all of this from a terminal window in Gnome), so I killed the power after a couple of minutes.

It's still trying to use /dev/disk/by-uuid/412d... to boot.

What am I missing? I assume I just have to change the UUID to mount as root, but I don't know how.

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Ubuntu :: Mdadm Raid 5 Single Disk Failure

Feb 2, 2010

Recently, one the SMART utility said that one of the drives had failed and another drive was about to fail. I downed the box and hooked them up to my windows machine to run sea tools on them (They are all seagate drives). Sea Tools said that the drives were fine, while ubuntu said they were failing/dead. Yesterday I decided to try to fix one of the drives in the raid. I turned the server off, took the failed drive out, and restarted. Of course the raid didn't work because only 2 of the 3 drives were there, however it had been working w/ only 2 of the 3 drives for a couple months now (I'm a lazy college student). I turned it back off and back on with the drive there just to see if I could get the raid up again, but I havn't been able to get it to go. So far I've tried:

Code:

mdadm --assemble /dev/md0 /dev/sd[b,c,d]
mdadm: no recogniseable superblock on /dev/sdb
mdadm: /dev/sdb has no superblock - assembly aborted

[code]....

I'm looking for a way to trick the raid into working with just 2 drives until I can warranty the seagate and buy an external 1.5 TB drive to use as another backup. how to remove the bad drive from the array and replace it with a fresh drive, without data loss.

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Fedora :: RAID Be Implemented On A Single Hard Disk?

Mar 25, 2010

Can RAID be implemented on a single hard disk ? If yes, plz give a link for it.

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Red Hat / Fedora :: Moving Install From Single Disk To RAID 1

Oct 27, 2009

If you want a full run down as to WHY I want to do this, read here: webhostingtalk.com/showthread.php?t=899909Basically, my ISP could not get my server running stable on a simple raid 1 (or raid 5) so what it came down to was having them install my system on a single disk. I don't exactly like this, main reason being, if the system (or HDD) crashes, I'll end up with another several hours of down time..

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CentOS 5 :: Disk Failure And Software Raid 1?

Jun 9, 2011

Following scenario: My server in some data center on a different continent with two disks and software raid 1.

One day I see that a disk failed (for example with /proc/mdstat). Of course I should replace the failed disk asap. Now that I think about it, I am not sure how. What should my email to the data center support guy mention to make sure that guy doesn't replace the wrong disk?

With hardware RAID it is very easy, because the controller usually has some kind of red LED indicator. But what about software raid?

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Ubuntu :: MDADM RAID 5 Disk Failure And Recovery?

Jun 18, 2010

I have a fileserver which is running Ubuntu Server 6.10. I had a RAID5 array consisting of the following disks:

Code:
/dev/sda1
/dev/sdb1
/dev/sdd1
/dev/md0 -

the raid drive for the above three disks. The sda1 disk has failed and the array is running on 2 of 3 disks

/dev/sdc (OS disk)
/dev/sde (new 2tb disk - unused)
/dev/sdf (new 2tb disk - unused)

My plan was to rebuild the array using the two new disks as RAID1. Would the best way to do this be to create a new RAID1 disk on /dev/md1 then copy all data over from /dev/md0? Also - this may sound stupid but since all 3 drives in md0 are identical i'm not sure physically which disk is bad. I tried disconnecting each disk one-by-one then rebooting but the system doesn't appear to want to boot without the bad drive connected. I've already failed the disk in the array with mdadm but i'm unsure of how to remove it properly.

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Ubuntu :: Rebuild Md RAID Array After OS Disk Failure?

Dec 19, 2010

I went to setup my linux box and found that the OS drive had finally died. It was an extremely old WD raptor drive in a hot box full of drives so it was really only a matter of time before it just quit on me. Normally this wouldn't be such a big deal however I had just recently constructed an md RAID5 array of 3 1TB disks to act as an NFS mount for basically all of my important files. Maybe 2-3 weeks before the failure I had finished moving all of my most important stuff onto that array. Now I know that the array is intact. All the required data is sitting on those disks. Since only the OS level disk failed on me I should be able to get a new disk in there, reinstall ubuntu and then rebuild that array. how exactly do I go about doing that with mdadm? Do I create the array from the /dev character devices like when I initially built the array?

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Apr 4, 2010

I have installed a Fedora Core 12 Linux system onto a RAID 1 file system. I now need a way of getting an notification if the disk fails. Is there an SNMP MIB that covers Intel RAID? I have done the searching but still the answer alludes me.

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Jul 7, 2011

I need to copy data from a single HD, which used to be part of a Linux RAID 1. I've googled around, but can't find any clue how to mount partitions from this single HD.

Background: The HD comes from a linux based NAS box Synology DS207+. The NAS uses ext3 as filesystem. Both NAS disks are fine, but the other NAS hardware is dead and not worth repairing or replacing.

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Jun 11, 2009

I just upgraded via preupgrade-cli (from FC10), rebooted, the upgrade process completed, then the system rebooted and I just see a blinking white cursor now.I was able to boot up from a live cd of FC11, but I'm not sure how I can repair the system.

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May 31, 2010

I'm getting a HDD Lock screen or Disk Controller Failure at boot up. (Compaq Armada) The HDD stops the system dead. The controller failure will allow me to boot Fedora or Puppy from the CD drive.

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Fedora Installation :: Disk Boot Failure After Fresh Install From Live CD.12?

Feb 15, 2010

I've run the install to hard drive program three times over and each time I get "disk boot failure". I believe I've got Grub to install to the mbr but I am not sure.

System:
Barton 3200+ with 1GB of DDR1
Asus A7V333
High Point hard disk controller

other items

All the hard drives are hooked to the High Point controller. It recognizes all of them that have power hooked up and read/writes to them. Two have 98SE installs, the third is where I'm trying to install Fedora 12 to get away from some problems I'm having with 98SE.

The BIOS is set up to boot from the "SCSI device" which means it's booting from the High Point controller. The High Point lets me set a boot mark, which, when set to the Fedora drive, yields the disk boot failure no matter what I do to it.

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Ubuntu Servers :: HW RAID Disk Shows Up In Fstab But Not In /dev/disk/by-uuid?

Jun 28, 2010

I have an SiI hardware SATA RAID card, with two 500GB disks in mirrored RAID configuration. When I first plugged them in and set it up, things seemed to work ok, but on boot the raid controller told me that the RAID needed rebuilding, and it would happen automatically after POST. So I didn't worry about it, and the drive mounted fine, and it's been that way for years. I just went in and manually on-line rebuilt the RAID in the controller's BIOS, and now when I boot into Ubuntu, both disks show up in fdisk, but neither show up in /dev/disk/by-uuid. Am I missing something?

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Ubuntu Installation :: Disk Boot Failure 9.10

Mar 18, 2010

Ubuntu/Linux operating systems. It installs just fine but after it reboots I get a "disk boot failure, insert system disk". I have searched around but I can't seem to find anything that works. There is only one hard drive in my computer and no other operating systems on it.

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Hardware :: RAID 1 Disk Replacement Not Working

Sep 21, 2010

I have a IBM x306 server with on board RAID1 controller. One of the two disk is dead, I need to replace it. I'm using the "ServRaid Manager" to reconfigure the array. I shut down the server and replaced the dead disk with new one, I first started the server and not doing anything manually - thinking that it will auto sync, but it just didn't! I then re-started the server and logged in with ServRaid Manager. Now I want to reconfigure the array so that the new disk will sync. But the problem is that in this arrays property, the "Synchronize" option is grayed out, I just cant click on it! On the other hand on the newly inserted disk's property I was able to click "re-build", but after this, things just stopped there, its not synchronizing. How do I simply replace this new disk and have things working?

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Jan 16, 2010

when i try to boot from the disk i burned, the screen show to lines of code, then pauses and never continues with any process.

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Ubuntu :: USB Disk Creator Only Produces 'Boot Failure'

Feb 19, 2010

I have 2 USB drives. I have had 9.04 running on one for some time. I used Disk Creator in 9.04 to 'create' the drive. I use it as a reference to verify how things went in 9.04 if I hit a problem with 9.10.

However, after some months, when I tried this USB drive it produced this 'Boot Failure'. I followed up by checking the other USB drive which had Lubuntu installed via USB Disk Creator and it produced the same result ie 'Boot Failure'.

The Machine bios is set in the correct order.

I have tried to 're-do' things via 'Disk Creator' in 9.10 and 9.04 with the same result. It is not likely that both USB drives have failed at the same time.

Is Grub2 at fault in some way?

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Ubuntu Installation :: Disk Boot Failure After Fresh Install

Oct 16, 2010

After buying a new PC, I decided to "reorganize" my former PC as follows:Initially it has been a dual (SATA) disk dual boot PC- one disk for each OS, while XP was fully installed on a single NTFS partition. Using Gparted I shrunk the XP partition, and created some Linux partitions. I've verified that the XP partition (sda1) is bootable. Afterwards, I removed the other (former Linux) disk from the computer. While doing so, I had to temporarily disconnect cables from both drives. Finally, I fresh installed Mint 9 (Ubuntu 10.04 derivative), on my pre-prepared Linux partitions. Installation completed flawlessly, and during the install, I've noticed that GRUB2 has been installed on sda. Rebooted and got "Disk boot failure" error.

I've checked the BIOS and noticed that the (single) drive was not recognized.
I manually tested from the BIOS and located the drive as IDE3. Saving the new configuration (F10) and rebooting- the HD gain is not identified (the CMOS battery is fine- keeps time).

Booting a live CD I can see and access all above partitions.

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General :: Old Pc: Make A Bootable Single Floppy Disk To Boot With The Pendrive?

Sep 1, 2009

Nothing is working,[URL] My bootable pendrive is not seen by grub. The tab in grub, e, gives my 3 partitions only

[URL]

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Ubuntu Installation :: Installed But Gets Error Message- DISK BOOT FAILURE?

Feb 27, 2010

I just bought a brand new hardrive (40gb western digital) IDE, 10 pin.I have gone through the installation and partioned the hardrive, when it gets to 100% it asks me to reboot.So i take the disk out, and then it says DISK BOOT FAILURE, INSERT SYSTEM DISK AND PRESS ENTER:So i press enter and i get the same message> How can i get Ubuntu to boot up?The computer is a 2003 Medion pc with 512mb of RAM And an AMD Athlon processor. The computer has a sticker on that says: Designed for windows xp.

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Ubuntu :: Boot Failure - Insert System Disk And Press Enter

Aug 18, 2010

I'm trying to do exactly this: [URL] the first time i did it, I made it and everything was fine, except I didn't know what "installation size" meant in wubi, so as I selected 3GB, the rest of the partition was left empty and I didn't have enough space for ubuntu. Then I formatted the partition again and reinstalled ubuntu. Since then while it's booting, I get the message Disk boot failure insert system disk and press enter. I tried reinstalling many times, but I still get this message..

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Ubuntu Installation :: Hard Disk Failure - Get Next Drive In Line To Boot

Feb 15, 2011

after my upgrades i noticed one hard drive was acting funny i was gonna reformat the drive anyway to totally remove winblows from my system grub was installed on the boot sector of the drive that failed how can i get the next drive in line to boot if some one can get me to a howto or tell me what i need to do short there of reinstalling the operating system.

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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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Software :: Possible To Boot From Hard Disk Having RAID Partition?

Mar 28, 2010

I wanted to implement raid5 such that one partition is from my laptop's hard disk and others from other hard disks. After making one partition a raid partition, I rebooted the system. The computer stopped mid-way during booting, and brought me to the shell. On typing fsck -p, it told me an unexpected error occured in the partition which I had made for raid. Is there some condition that we cannot boot from a disk containing one of the raid partitions ?

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Ubuntu :: Disk Failure Or Virus - Unable To Boot Up - Lot Of Error Messages Displayed

Aug 30, 2010

Last night when I turned on my lap top (5 year old Acer TravelMate 4650), it was not able to boot up (10.04 LTS). No system files could be read and a lot of error messages was displayed. In fact, it has done a few checks for disk error lately during boot up, but no further warnings given. I gave up recovering, and simply re-installed Ubntu 10.04. I was wondering if this could be related to a virus attack?

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Ubuntu Installation :: Boot Disk Image For Install On AMD RAID PC?

Sep 3, 2010

I tried installing Ubuntu 10.04 WS on my PC but it did not see any disks to install on. I believe this is because my drives are all configured as RAID. My mobo is an Asus M3A78-EMH HDMI AM2+ socket with an Athlon 2X 5000+ CPU. The chipset is AMD 780G. I have the BIOS configured for RAID drives and I already run Win XP x32 and Win 7 x64 on it. My boot drive is configured as 'RAID READY' and I have 2 RAID 1 disks consisting of pairs of SATA drives.

From what I have researched it seems that with some tuning it should be possible to install Ubuntu 10.04 but I have little Linux experience and don't want to mess up my existing drives. I have installed Linux before a few times and run it but never with RAID. Is anyone aware of an existing disk image that I will be able to install from on my system or would it be possible for someone to create one for me to use?

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Ubuntu Installation :: Disc Boot Failure - Insert System Disk And Press Enter

Jan 7, 2010

I bought a t770.uk HP desktop PC, which came without a Hard drive as the pervious owner had removed it for security reasons. A week later I got a hold of a brand new - out of an anti-static sealed bag - compatible Western Digital Caviar SE 80GB SATA150 7200 HDD, and installed it as directed by my t770.uk manual. Up until now, things looked to be on a roll. As I don't have any windows OS, I figured Ubunutu would be the way to go (and it certainly is from what I've heard and read about it. I can't wait!).

So I sent off for a CD and it popped through my mail a few weeks back. The problem that I am having is after booting past a very brief view of the HP POST screen, the screen goes black with the error "Disc boot failure-insert system disk and press enter". I've tried placing the Ubuntu disc in (assuming it is asking for that? An OS disc) and restarting, and changing the boot order around, but no matter what I do the error persists and I can't install Ubuntu. I really want to get this PC running with Ubuntu.

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Hardware :: Check Hard Disk For Errors. Possible Hard Disk Failure?

Jun 21, 2011

I was using Terminal and browsing a directory in my home folder. My "home" directory is located on "/dev/sdb1". When in Terminal I typed "ls" in one of my directories and the output was garbage. The output didn't show the files in the directory. I think it said something like, "input/output error". Unfortunately, I didn't write the exact error down. Instead I rebooted.The hard disk with the problem is:

Code:
$ sudo hdparm -I /dev/sdb
[sudo] password for brian:

[code]...

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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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