fsck is only invoked on unmounted filesystem!, that is why it is your box is doing it during startup when the filesystem is not yet mounted, running it on mounted filesytem will corrupt it!
On Sun, Jan 25, 2009 at 9:23 PM, roy bayot <[email protected]> wrote: > Sir Johann and Sir Jan, > > I did what Sir Johann instructed and rebooted. I got the Ubuntu on my hard > drive to load. No more Grub error 17. But there was another problem. It was > checking something and sometime in the middle, it went to a black screen > with text saying that fsck needs to be run manually. So I entered root > password and ran fsck. Then it showed something about inodes and prompted me > for "yes" and I did for some time, not really knowing what's happening. But > after a few prompts, I pressed Ctrl+Alt+Del and tried to get out. When I > managed to get out, I ran an Ubuntu Live CD and checked. The HDD was > already mounted. But I couldnt find my user folder and other files. Most of > the things that I see are system files. > > I tried "sudo fsck /dev/sda1" and it gave me the warning below. > > WARNING!!! Running e2fsck on a mounted filesystem may cause > SEVERE filesystem damage. > > Should I just go with yes? Can I still view a filesystem when it's > unmounted? > > Roy > > ------------------------------ > *From:* Johann Vincent Paul Tagle <[email protected]> > *To:* Philippine Linux Users' Group (PLUG) Technical Discussion List < > [email protected]> > *Cc:* [email protected] > *Sent:* Sunday, January 25, 2009 11:26:23 AM > > *Subject:* Re: [plug] about grub error 17 > > Roy, > > I tried out the procedure I described before responding to you and did not > encounter any issue. The live cd did not mount the existing partitions > automatically, but I had no problem mounting them using the steps I listed. > I can't think of any other thing to check, except maybe try ext2 as > filesystem type? I doubt this, since ext3 is now used by default. But no > harm trying right? =) > > Johann > > On Sun, Jan 25, 2009 at 7:03 PM, jan gestre <[email protected]>wrote: > >> When you booted to the live cd, what's the output of the mount command? >> The live cd usually mounts your existing partitions automatically that is >> why you're encountering errors when mounting them. If the live cd did not >> mount any of your partitions, then try to mount with specifying the >> filesystem type. You can also do the a filesystem check by invoking fsck. >> >> >> On Sun, Jan 25, 2009 at 2:57 PM, roy bayot <[email protected]> wrote: >> >>> Hi. Thank you for the replies. >>> >>> @ Mr. Jan Gestre >>> >>> I've tried "sudo grub-install /dev/hda" and it throws out the message >>> "/dev/cloop does not have any corresponding BIOS drive". I also tried it >>> with hda1, hda2, and hda5 since those are the partitions that I have but it >>> still gives out the same message. >>> >>> @ Mr. Johann Tagle >>> >>> I tried what you told me. I booted from DSL, and I've tried "sudo fdisk >>> -l /dev/hda" and it shows the hda with the partitions. >>> >>> Disk /dev/hda: 40.0 GB, 40020664320 bytes >>> 255 heads, 63 sectors/track, 4865 cylinders >>> Units = cylinders of 16065 * 512 = 8225280 bytes >>> >>> Device Boot Start End Blocks Id System >>> /dev/hda1 * 1 4660 37431418+ 83 Linux >>> /dev/hda2 4661 4865 1646662+ 5 Extended >>> /dev/hda5 4661 4865 1646631 82 Linux swap >>> >>> Then I tried something first. I typed "sudo mkdir /mnt/ubuntu" and then >>> "sudo mount -t ext3 /dev/hda1 /mnt/ubuntu". And it threw out "mount: wrong >>> fs type, bad option, bad superblock on /dev/hda1, or too many mounted file >>> systems." >>> >>> Then I tried to add "/dev/hda1 /mnt/ubuntu ext3". And tried "sudo mount >>> /dev/hda1" and got a message "mount: relocation error mount: undefined >>> symbol: blkid_unknown_fstype". >>> >>> Again, I dont really know what to do. File system type perhap? How can I >>> determine that? >>> >>> Thank you again for your time. >>> >>> Roy >>> * >>> * >>> >>> >>> >>> --- On *Sun, 1/25/09, Johann Vincent Paul Tagle >>> <[email protected]>*wrote: >>> >>> From: Johann Vincent Paul Tagle <[email protected]> >>> Subject: Re: [plug] about grub error 17 >>> To: "Philippine Linux Users' Group (PLUG) Technical Discussion List" < >>> [email protected]> >>> Date: Sunday, January 25, 2009, 10:49 AM >>> >>> >>> After booting from from live disc, how did you try to detect the >>> harddisk? Do you mean you already tried to do something like sudo fdisk >>> /dev/sda (or /dev/hda) and got an error? If that's the case then you likely >>> have a hardware problem. If fdisk is able to detect the drive, then you >>> need to mount it. From fdisk you will be able to identify what partitions >>> you have to mount. Create a temporary directory you will mount the >>> partition to. Then edit /etc/fstab and add something like: >>> >>> /dev/sda1 /full/path/to/your/temp/directory ext3 >>> >>> Then execute sudo mount /dev/sda1 and you should be able to read your >>> hard disk. >>> >>> Hope this helps, >>> >>> Johann >>> >>> On Sat, Jan 24, 2009 at 11:17 PM, roy bayot <[email protected]> wrote: >>> >>>> Hi. Good day. >>>> >>>> I am relatively new to Linux and I'm writing because I would like to ask >>>> for help. I've been using Ubuntu as my only OS for about 8 months now and >>>> everything seemed fine until now. I couldnt get into the desktop. >>>> >>>> When I open my PC, there's that black screen that says: >>>> >>>> grub loading please wait >>>> error 17 >>>> >>>> I tried booting from a live disk. One from Ubuntu Hardy Heron. Another >>>> from Knoppix. My goal was just to recover my files and copy it an external >>>> hard disk. At both times, I could not see the hard disk with the Linux OS >>>> installed in it. >>>> >>>> So I tried googling about grub error 17 and it turned me to >>>> this<http://ubuntuforums.org/showthread.php?t=442945>page. Eventually, I >>>> ended up on another >>>> page >>>> <http://users.bigpond.net.au/hermanzone/SuperGrubDiskPage.html#How_To_Use_Super_Grub_Disk>that >>>> talked about using Super Grub Disk. I tried the Super Grub Disk but it >>>> still >>>> didnt work. >>>> >>>> I also learned that this error is usually for those with multiple OSes. >>>> And I am really starting to wonder why I got this error since I only have >>>> Ubuntu installed in my machine. >>>> >>>> When I was also using the live cd, I tried using the terminal and typing >>>> "sudo fdisk -l" and "sudo gedit /boot/grub/menu.lst" based on a post in >>>> the ubuntu forum<http://ubuntuforums.org/showthread.php?t=401531&page=2>. >>>> When I entered the second command, the file was blank. >>>> >>>> Finally, I thought of just restoring Grub from the live cd based on >>>> another ubuntu forum post<http://ubuntuforums.org/showthread.php?t=224351>. >>>> But when I entered "find /boot/grub/stage1", it throws out "Error 15: File >>>> not found". >>>> >>>> I really just want my files back. Thank you for your time. >>>> >>>> >>>> Roy >>>> >>>> >>>> * >>>> * >>>> >>>> >>>> >>>> >>>> _________________________________________________ >>>> Philippine Linux Users' Group (PLUG) Mailing List >>>> http://lists.linux.org.ph/mailman/listinfo/plug >>>> Searchable Archives: http://archives.free.net.ph >>>> >>> >>> >>> >>> -- >>> Web application and database consulting: www.sagadasolutions.com >>> >>> _________________________________________________ >>> Philippine Linux Users' Group (PLUG) Mailing List >>> http://lists.linux.org.ph/mailman/listinfo/plug >>> >>> >>> Searchable Archives: http://archives.free.net.ph >>> >>> >>> >>> _________________________________________________ >>> Philippine Linux Users' Group (PLUG) Mailing List >>> http://lists.linux.org.ph/mailman/listinfo/plug >>> Searchable Archives: http://archives.free.net.ph >>> >> >> >> >> -- >> http://jangestre.wordpress.com >> >> _________________________________________________ >> Philippine Linux Users' Group (PLUG) Mailing List >> http://lists.linux.org.ph/mailman/listinfo/plug >> Searchable Archives: http://archives.free.net.ph >> > > > > -- > Web application and database consulting: www.sagadasolutions.com > > > _________________________________________________ > Philippine Linux Users' Group (PLUG) Mailing List > http://lists.linux.org.ph/mailman/listinfo/plug > Searchable Archives: http://archives.free.net.ph > -- http://jangestre.wordpress.com
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