Hardware :: Hard Drive Replacement - When Disconnect 4GB Drive System Fails To Boot Up And Complains - Error 21

Mar 20, 2010

I have minor problem with upgrading a hard drive. I am running an old pentium lll with two hard drives. On the first hard drive I have two partitions of around 90GB each. On the first partition is installed winXP and on the second partition I have Suse 10.3, both booted by grub and living happily side by side. My second hard drive (which is formatted for windows is only 4GB.

My problem arises when I try to replace the 4GB with a 80Gb hard drive. When I disconnect the 4GB drive the system fails to boot up and complains with error 21.

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General :: Puppy On Hard Drive Fails To Boot After Power Cut

Apr 19, 2011

I'm very new to Linux and recently setup a desktop PC with Puppy 5.2.5. only. I chose to have a permanent install on the hard drive and loaded additional PETS and utilities as I thought needed for my use. Last night after immediately booting up the PC I had a power cut lasting a few minutes. When power returned and I repowered the PC, I found during Puppy's boot sequence it reported an error and remained in what appeared to be a console mode - did not carry through and load my desktop. So I inserted the Puppy CD and booted from that but I'm afraid I'm not familiar enough with Linux to understand how I can get back my original desktop setup and run once again from my hard drive without having to go back to scratch.

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Ubuntu Installation :: Format Replacement Hard Drive Using Xubuntu?

Sep 1, 2011

If I boot from a CD (into xubuntu), how do I reformat the new hard drive (which will later contain ubuuntu and windows xp (wubi dual boot)).

I also need to know how to format the replacement hard drive using xubuntu, and which type of format to use - I think I need to use NTFS formatting.

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General :: System Won't Boot From Hard Drive

Jun 22, 2010

Something caused my Fedora 11 system to reboot this evening, only it keeps trying to boot from a CD/DVD. I get to a prompt that says "Boot from CD/DVD" and then it appears just to wait. I can insert my Fedora 11 installation disk and boot from it in rescue mode, and then I can see my entire file system, so I don't think the hard drive has failed. The system just doesn't seem to want to boot from the HD any more. I can get to a command line using the Fedora rescue mode, but I don't know what to do once I'm there.

one additional note. Around a month and a half ago I deleted some files by mistake and wanted to try to recover them. I tried a bunch of approaches that I came across (none worked), and I do remember that one of them had instructions to unmount a portion of the filesystem to protect it from being overwritten before I could recover the files.

Unfortunately, at this point I have no real memory of exactly what I did, but the system has been working fine since then. I would have thought that I had rebooted since then, but it's possible that this is the first time I've rebooted. Could I have unmounted some part of the file system such that it would still by unmounted even when rebooting? How can I check this from the command line I get in rescue mode? (My file system gets mounted under /mnt/sysimage/)

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Hardware :: AHCI SATA Drive Scan Fails At System Boot

Sep 28, 2009

Yesterday I was on my Windows computer doing homework. Once Football came on, I hit the Standby button on my keyboard and walked out of my room. Came back at halftime to discover that my system never went into Standby. I turned on my monitor and saw a bunch of code repeating. I don't remember it all, but it was something to this effect

Super Block not compatible with current BIOS
scanning for *insert system file here*.... not found
scanning for floppy drive... not found
scanning for cdrom1... not found

So I hit the restart button on my tower. When it restarted, I was brought back to the same screen. So I unplugged the power cord from my computer and counted to 10. I plugged it back in and this time I got my mobo logo screen and the system appeared to start up fine, until I got to the SATA drive scanning screen. When my computer would scan for my SATA hard drive, it would idle for several minutes, during which a series of periods (".") would show up until eventually I get a message that says: WARNING! - Something wrong with your hardware!

I have troubleshooted a number of things so far:
1) I took my SATA Hard Drive out of my computer and plugged it into my Linux computer and the system booted fine! I used the same SATA cord, so I know both the drive and the cord ARE WORKING!
2) I tested the power cord from the power supply that runs to my HD and it is working just fine.
3) I plugged the HD back into my Windows computer (the original one it was in when I started having this problem) and I ran GParted. When the GUI came on, I could not see any drives and there was a message at the bottom of the window saying that no devices could be found. This was no surprise to me because I watched the verbose mode as GParted booted and it gave error messages when it tried scanning for my hard drive.
4) I have also tried plugging it into the other SATA ports on my motherboard.
5) I tried flashing the mobo BIOS. The flash worked just fine (or at least it appeared so), but the HD is still not being found on the system boot scan.

Bottom line, I know the hard drive is fine because it worked in my Linux computer. So I am thinking it has to be the motherboard. But before I go out and buy a new Mobo and CPU (and possibly new RAM), I wanted to quickly jump on here.

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May 25, 2010

I have Ubuntu/Vista dual boot desktop with Single HDD (200GB) that i cloned to an external USB HDD (320GB) using clonezilla. My intention is to use the external HDD as a backup to up running in case my 3 year old desktop HDD fails. To make sure the clone is good to use if need, i connected external HDD to USB port and tried boot from it but got "Error 18". I tried to Google got some infoDid a fdisk -lu and got the following.

Code:
Disk /dev/sda: 200.0 GB, 200049647616 bytes
255 heads, 63 sectors/track, 24321 cylinders, total 390721968 sectors

[code]....

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OpenSUSE Install :: Grub Error 18 - Unknown File System - Running From External Hard Drive

Jan 11, 2011

It started when I wanted to dual boot Windows 7 and Opensuse off of my netbook (No DVD/CD drive) I tried install suse from an external hard drive and I botched it. I ended up erasing EVERYTHING off of my internal netbook hard drive. Windows and all.

Well, I had a couple of other computers so I studied up and eventually successfully installed OpenSUSE 11.2 on my external hard drive (11.3 being the one that I accidentally erased everything with, so kinda scared of it) and now I want to install openSUSE 11.2 on my internal netbook hard drive.

I can not use disks

I can not use a flash drive (For some reason, even if I make it bootable, it will not load up, this could be because it's actually a 8GB microSD card that is placed in a USB card reader.)

I can not use an external hard drive because that's what I'm running suse off of.

I've tried reading up on how to install suse on another drive off of the hard drive and I've gotten as far as whenever I boot up the netbook with the suse external hard drive connected it will ask to boot into OpenSUSE, the Fail Safe, or to install OpenSuse. When I select to install it it gives me the Error 18 Unknown File system.

I've tried formatting the internal hard drive twice. One as NTFS and again as EXT4. Neither seems to effect it other than when it's ext4 I can open it and it contains a Lost and Found folder.

When I interrupt the boot sequence by pressing c and going to the terminal and I use the root (hd +TAB command it tells me I have a hd0 and a hd1. The hd1 only has 1 partition which is ext4, which I'm assuming hd1 is the internal hard drive (I'm not sure how to check) and the hd0 is the external hard drive, which has three partitions. One with an unknown file system and two with ext4. When I try to enter the set up from the terminal it gives me the same error for any thing I put it (e.g. root (hd0,0) gives the same error as root (hd0,1), or root (hd0,2) and root (hd1,0)

Something like it cannot locate these two files I'm assuming it needs to boot. If anyone finds this relevant I'll retry it and post the files its missing.

I've been searching for awhile and can't find any threads that can solve my problem. From other threads, however, I have noticed that I should probably include my menu.lst, listed below

Code:

I have also ran the boot info script and received the RESULTS.txt file it generates. Listed below

Code:

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Mar 6, 2010

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Jan 25, 2010

I got a dell inspiron 1501 laptop with a 80Gb sata drive what is the best solution to add data storage space for someone that love to have multiples operating systems at hand Note: I use mostly linux so I won't need to change my laptop for many years maybe ...

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Ubuntu :: Internal Hard Drive Fails To Mount?

Feb 14, 2010

So when I booted my system up today my second internal hard drive which is formatted to ext4 failed to auto-mount for me(I have an fstab entry for it). When I I tried to manually mount it from terminal it failed and suggested I run dmesg | tail and here is the output from said command:

Code:
dmesg | tail
[ 292.424199] sd 2:0:0:0: [sdb] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK

[code]....

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Hardware :: Internal Hard Drive Fails To Mount

Feb 14, 2010

So when I booted my system up today my second internal hard drive which is formatted to ext4 failed to auto-mount for me(I have an fstab entry for it). When I I tried to manually mount it from terminal it failed and suggested I run dmesg | tail and here is the output from said command:

Code:
dmesg | tail
[ 292.424199] sd 2:0:0:0: [sdb] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[ 292.424208] end_request: I/O error, dev sdb, sector 65
[ 292.424456] EXT4-fs (sdb1): unable to read superblock
[ 298.348591] DRS: unkown mode,default use 11N 1S AP
[ 298.348602] DRS: unkown mode (SupRateLen=8, ExtRateLen=4, MCSSet[0]=0x0, MCSSet[1]=0x0)
[ 301.371878] ===>rt_ioctl_giwscan. 1(1) BSS returned, data->length = 80
[ 306.211535] sd 2:0:0:0: [sdb] Unhandled error code
[ 306.211543] sd 2:0:0:0: [sdb] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[ 306.211552] end_request: I/O error, dev sdb, sector 65
[ 306.211581] EXT4-fs (sdb1): unable to read superblock

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Mar 16, 2010

My parents bought a new hard drive for a laptop that I've owned for several years. It's much larger than the current one, so I plan on splitting it up to dual boot it with Ubuntu.I have no problem with partitioning a drive (I always keep a LiveCD handy), but my question is this: how can I go about moving the existing partition to the new drive? This is a laptop, so I can't simply plug the new drive into another slot.

Also, even if I manage to move it, will Windows still work on the new drive in a larger partition? I've had this laptop for quite a while, and I've lost the recovery discs that came with it a long time ago. I also have a lot of software without CDs to reinstall them with. This makes not reinstalling Windows a high priority.

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Trying to install Fedora 12 using the 6 CDs. Trying to install on an older x86 box.Problem is that when detecting my hard drive, Fedora 12 recognizes it as a sda hard drive instead of hda hard drive. I have no SCSI connected to my computer what so ever. It's an old fashion PATA Western Digital hard drive.If I proceed with the install, Fedora 12 only installs 200MB of the OS from the first CD only. No options for additional software or anything.

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Feb 8, 2010

I've tried to be clever but as usual I didn't think before acting and missed a small detail.

I have recently installed karmic (dual booting with Vista) on my dell xps laptop. The install went fine, I'm very happy with my new OS.

I bought a new Seagate 500GB portable external HDD. I got a bit over-excited and installed karmic on the external drive. This worked fine and I got a lovely (but slow to appear) Grub2 menu showing my vista and both ubuntu options.

My problem is that now, when I unplug the external drive, Grub fails and I get a grub rescue> prompt. So I need the external drive to be plugged in if I want to boot.

It seems I have done something to the grub configuration. I have read around the subject but I am not confident about how best to proceed.

I understand there is an 'advanced' option in the installer which will allow me to choose where to install grub. Presumably I want it on the internal drive so that I can boot without the external one plugged in.

Am I right in thinking I can just pop in my install disk and redo the installation?

If I indicate I want to install Grub on the internal drive, which partition should I aim for?

Will I get a grub option for booting to the external drive?

Will I be able to plug the external drive into a different machine and boot from it?

I haven't done anything with the fresh install on the external drive so I don't mind losing that.

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May 14, 2010

I'm new to the ubuntu forums as well as ubuntu. I'm excited to learn more about linux itself as well as ubuntu. I got ubuntu 10.04 running on my toshiba L505D laptop by disabling acpi in the boot commands. My first question is how do i do this permanently, is this bad, and would updating fix the issue? If so how would I go about updating.

Secondly, when the external hard drive I installed ubuntu on is not plugged in to the laptop, GRUB rescue comes up. I kind of like this because it provides a level of hardware security. I would however like to know how to load my windows partition encase the external hard drive fails.

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I have a Onetouch 4 mini 160GB I bought a year ago. I t used to work fine but all of a sudden it started to become a problem device. My home pc has two operating systems on it: Windows 7 and ubuntu 10.04 lucid. the drive often fails to load on both systems. Sometimes it's recognized, but the reads are very slow and opening a folder on the drive takes around 120 seconds. Itried reformatting the whole drive, chicking it with chkdsk but it didn't help. Now I have around 70 GB of data on the drive. On my office pc I don't have such a problem and the drive works fine.

My home pc has an Asus P5B motherboard and intel core 2 duo cpu. I tried unplugging other usb devices, plugging in the extra power cord (data + data/power) and it didn't help. The drive also makes beeping sounds when I try to browes the files on it. I'm sure thid is not OS related as both Windows and Linux have the same issue. This is the output of dmesg | tail command on linux. You can see the os keeeps "resetting" the drive:

[Code]....

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Oct 27, 2010

I am trying to replace an old, smaller, and dying laptop hard drive with a newer one, using a USB external drive. I first tried cloning disk to disk with Clonezilla, but it failed after cloning my root, swap, and /home directories it froze when it tried to reinstall grub. After 2x trying, I switched to dd, which I have never really used (I am fairly new to Linux in general). The actual command I used was:

Quote:

dd if=/dev/sda of=/dev/sdb bs=4096 conv=notrunc,noerror

All seemed ok and after approximately 2 hours my 80GB drive had been cloned onto my new 250GB, with dd giving what appeared to be a satisfactory closure summary. I tried to mount and access the drive from my external USB enclosure but could not view it, though the data is there, I believe, as the size and bytes show... The error that Dolphin is giving me is:

Quote:

error - wrong fstype, bad option, bad superblock on /dev/sdb1 Missing codepage or helper program or other error. When I installed the new drive directly into my laptop, it begins to boot (Sabayon 5.4, 2.6.35 kernel) but almost immediately I get (handwritten down, but this is close):

Quote:

detected real_root
mounting /dev/sda1 on /newroot failed: input/output error
!! Could not mount specified ROOT, try again
!! Could not find the root block device in .

[code]....

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Aug 2, 2010

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Code:
root@d-desktop:/media/Iomega HDD# ls -lart
total 2176732
drwx------ 1 dan dan 456 2010-08-01 16:24 Unison
root@d-desktop:/media/Iomega HDD# chmod -v a+rwx Unison
mode of 'Unison' changed to 0777 (rwxrwxrwx)
root@d-desktop:/media/Iomega HDD# ls -larth
total 2.1G
drwx------ 1 dan dan 456 2010-08-01 16:24 Unison
root@d-desktop:/media/Iomega HDD# /usr/lib/klibc/bin/fstype /dev/sdb1
FSTYPE=unknown
FSSIZE=0
root@d-desktop:/media/Iomega HDD

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The scsi drive is the only drive selected for installation.

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Jan 14, 2009

I have 2 ubuntu's: 1 on my ineternal hard drive, 1 on my external

When I startup without my ext drive =>GRUB error 21.

And when I plug it in I can choose: the standard ubuntu kernel is the one on my external, and the original one is listed under other...

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