Help. I think my boot sector craped out

Lisa Kachold lisakachold at obnosis.com
Mon Nov 14 13:24:44 MST 2011


Just reinstall.  I am sending the distort tonight.
On Nov 14, 2011 10:07 AM, "Michael Havens" <bmike1 at gmail.com> wrote:

> Thanks for being willing to send me a distro, Lisa. My address is
>     3486 E Granite DR
>     Cottonwood, AZ 86326
>     The last name is Havens
>
> Last night a PLUGER and myself were up until 2AM and we determined the
> drive was  toast. Here are a  couple of relevant correspondenses:
>
> Michael Havens
> <bmike1 at gmail.com>      Mon, Nov 14, 2011 at 1:50 AM
> To: michael at butash.net
> root at 1[hda1]# fdisk -l /dev/hda1
>
> Disk /dev/hda1: 38.3 GB, 38329772544 bytes
> 16 heads, 63 sectors/track, 74268 cylinders
> Units = cylinders of 1008 * 512 = 516096 bytes
>
> Disk /dev/hda1 doesn't contain a valid partition table
> root at 1[hda1]# ls /dev/hd*
> /dev/hda  /dev/hda1  /dev/hda2  /dev/hda5  /dev/hdc
> root at 1[hda1]#
>
> So this seems to indicate that my partiton table has been hosed
> somehow. Is that all it says? Is it like I can repair the partition
> table but after I do that I better replace the drive?
> - Show quoted text -
> --
> :-)~MIKE~(-:
>
> Add star
> Michael Butash
> <michael at butash.net>    Mon, Nov 14, 2011 at 2:26 AM
> Reply-To: michael at butash.net
> To: Michael Havens <bmike1 at gmail.com>
> Eww, yeah that's not good.  If you had a backup of your geometry
> (fdisk -l) you could theoretically repartition right over it and just
> go on with life, assuming the data is there, but I'm thinking it's
> really not.  You're getting into forensics at this point to data
> recover.
>
> On the flip side, i don't know what kind of forensic restore
> applications might be out there to do this automagically.  Not had to
> (knock on wood).  You can pay to have it done, but it is NOT cheap.
>
> Best case is you have a backup to move on, worst you will next time.
> Might need to kick something and move on.
>
>
>
> On 11/14/11, Lisa Kachold <lisakachold at obnosis.com> wrote:
> > The 240 error can happen:
> >
> > a) If you are trying to mount the drive in an EXT4 on an EXT2 partition
> > (journaling is disabled).
> > b) If you have mounted in EXT4 when using grub.
> > *c)* If you have a ext4 root and don’t use grub2, you can obtain this
> > error:
> >
> > EXT3-fs: sda1: couldn’t mount because of unsupported optional features
> (240)
> >
> > Add "*rootfstype=ext4*" to the kernel line* or at the grub>  line when
> > specifying the initrd?
> >
> > **ARE you CERTAIN you have ext4 and not ext2?
> >
> > You can "fdisk -l" to see a list of disks and types.**
> > *
> >
> > Of course, there also is:
> >
> > d) Your drive journal is toast as your fsck failed.
> >
> > I suggest you boot into either recovery mode or LiveDistro/Knoppix and
> > manually work on the drive or:
> >
> > 0) Boot into recovery mode and follow these instructions.
> > https://help.ubuntu.com/community/LiveCdRecovery
> >
> > if not successful:
> >
> > 0) Move off or backup your data.
> >
> > 1) Rebuild with new distro version following recovery recommendations:
> >
> > I can drop an Ubuntu Live and a knoppix tool distro into the mail for you
> > today?  What is your distro version exactly, please and upgrade choice?
> >
> > Contact me offline with your address?
> >
> > Other references:
> >
> > Fsck:  https://help.ubuntu.com/community/SystemAdministration/Fsck
> >
> > Booting Ubuntu 10.10 into Recovery Mode:
> > https://wiki.ubuntu.com/RecoveryMode
> >
> >
> >
> > On Mon, Nov 14, 2011 at 6:36 AM, kitepilot at kitepilot.com <
> > kitepilot at kitepilot.com> wrote:
> >
> >> I have a problem, I can't download ubuntu with my live cd.
> >>>
> >> This is easy to do but I live in the corner of Alabama, Tennessee and
> >> Georgia (in GA) and it is a fairly long drive (I've done it both ways
> >> several times)
> >> I'll be glad to help you over the phone.
> >>
> >>> root at 1[hda1]# mount /dev/hda1 hda1
> >>>
> >> Type:
> >> cat /proc/partitions
> >> You can only mount what shows in that file.
> >> However:
> >>
> >>> [17196389.468000] EXT3-fs: hda1: couldn't mount because of unsupported
> >>>
> >> Points to an unrecognizable filesystem.
> >> Try:
> >> fsck -N /dev/...
> >> but:
> >> mount -o ro /dev/hda1 hda1
> >> Sometimes works...
> >>
> >>> Is there antway to retreive the data w/o spending any money?
> >>>
> >> Yes, I've done it.  use (THEY ARE DIFFERENT):
> >> ddrescue
> >> (http://www.gnu.org/s/**ddrescue/ddrescue.html<
> http://www.gnu.org/s/ddrescue/ddrescue.html>)
> >> or
> >> dd_rescue
> >> (http://www.garloff.de/kurt/**linux/ddrescue/<
> http://www.garloff.de/kurt/linux/ddrescue/>
> >> )
> >> One is "better" than the other but I can't remember which one/why.
> >> The freezer trick works every time (or most every time anyway...  :)
> >> ET
> >> PS: As usual, "free advice, you can't sue me!  :)"
> >> YMMV...
> >>
> >> Michael Havens writes:
> >>
> >>> I have a problem, I can't download ubuntu with my live cd. I live in
> >>> cottonwood. Does anyone live around here who can copy it for me and
> >>> I'll drive over to you to get it? Doesn't one of you live on Mingus
> >>> Mountain?
> >>> On 11/13/11, Stephen <cryptworks at gmail.com> wrote:
> >>>
> >>>> http://www.cgsecurity.org/**wiki/TestDisk<
> http://www.cgsecurity.org/wiki/TestDisk>has
> >>>> been useful for me in the past.
> >>>> On Sun, Nov 13, 2011 at 6:33 PM, Michael Havens <bmike1 at gmail.com>
> >>>> wrote:
> >>>>
> >>>>> Is this the right command
> >>>>> root at 1[hda1]# mount /dev/hda1 hda1
> >>>>> mount: wrong fs type, bad option, bad superblock on /dev/hda1,
> >>>>>       missing codepage or other error
> >>>>>       In some cases useful info is found in syslog - try
> >>>>>       dmesg | tail  or so
> >>>>> root at 1[hda1]# mount /dev/hda1 /mnt/hda1
> >>>>> mount: wrong fs type, bad option, bad superblock on /dev/hda1,
> >>>>>       missing codepage or other error
> >>>>>       In some cases useful info is found in syslog - try
> >>>>>       dmesg | tail  or so
> >>>>> root at 1[hda1]# dmesg |tail
> >>>>> [17179619.724000] Adding 1646620k swap on /dev/hda5.  Priority:1
> >>>>> extents:1 across:1646620k
> >>>>> [17179621.012000] ACPI: Power Button (FF) [PWRF]
> >>>>> [17179621.012000] ACPI: Power Button (CM) [PWRB]
> >>>>> [17179621.248000] ibm_acpi: ec object not found
> >>>>> [17179621.300000] pcc_acpi: loading...
> >>>>> [17179621.416000] ACPI: Thermal Zone [THM0] (36 C)
> >>>>> [17179635.144000] ppdev: user-space parallel port driver
> >>>>> [17179639.016000] powernow: This module only works with AMD K7 CPUs
> >>>>> [17196389.468000] EXT3-fs: hda1: couldn't mount because of
> unsupported
> >>>>> optional features (240).
> >>>>> [17196610.992000] EXT3-fs: hda1: couldn't mount because of
> unsupported
> >>>>> optional features (240).
> >>>>> root at 1[hda1]#
> >>>>> Hmm. I am suspecting a crash. I s there antway to retreive the data
> >>>>> w/o spending any money?
> >>>>>
> >>>>
> >>>> --
> >>>> A mouse trap, placed on top of your alarm clock, will prevent you from
> >>>> rolling over and going back to sleep after you hit the snooze button.
> >>>> Stephen
> >>>> ------------------------------**---------------------
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> >>>>
> >>>
> >>> --
> >>> :-)~MIKE~(-:
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> >
> >
> >
> > --
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>
>
> --
> :-)~MIKE~(-:
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