Re: painted into a corner
On Tuesday 21 August 2018 21:51:36 Jimmy Johnson wrote:
> On 08/21/2018 05:29 PM, Gene Heskett wrote:
> > On Tuesday 21 August 2018 18:33:50 Jimmy Johnson wrote:
> >> On 08/19/2018 12:40 PM, Gene Heskett wrote:
> >>> Greetings all;
> >>>
> >>> I just installed stretch to a fresh 2T HD. letting it
> >>> autopartition and format for separate /, swap, /var and /home
> >>> partitions. But I didn't let it overwrite the grub on the 1st
> >>> drive it was/is booting wheezy from.
> >>>
> >>> I figured I'd mount it to wheezy and copy over my personal stuff,
> >>> like an email corpus well over 15GB reaching back to 2002.
> >>>
> >>> But I can't mount much of the drive, / is all that will actually
> >>> mount, because the 2 versions of ext4 are incompatible, nearly all
> >>> the mount and e2tools can't touch the installers ext4 file
> >>> systems.
> >>>
> >>> For instance, its not mounted:
> >>> gene@coyote:~$ e2fsck /dev/sdb8
> >>> e2fsck 1.42.5 (29-Jul-2012)
> >>> /dev/sdb8 has unsupported feature(s): metadata_csum
> >>> e2fsck: Get a newer version of e2fsck!
> >>>
> >>> And of course whats installed to wheezy is the latest available
> >>> wheezy version of e2fsck.
> >>>
> >>> Whats the recommended way to do these mounts so I can maintain as
> >>> much continuity as possible?
> >>>
> >>> Thanks all.
> >>
> >> Hi Gene, I've seen this before, a few times. If you run #fdisk -l
> >> while in stretch and get error, you need to fix that first, using
> >> gparted move the ailing partition '1'byte, just one digit larger or
> >> smaller, if you have to shrink another partition, do it '2'bytes.
> >> UUID will not change and it will pass fdisk -l no error. Now in
> >> wheezy see if you can mount. If not you can disable the checksums.
> >> To disable checksums on an existing filesystem, ensure that the
> >> filesystem will pass fsck. Then turn off metadata_csum via tune2fs.
> >> #tune2fs -O ^metadata_csum /dev/path/to/disk
> >>
> >> The above is for ext4, for repairing partition I use this with
> >> force. #fsck.ext4 -pvcf /dev/sdxx
> >
> > Thanks Jimmy. I haven't gotten that far, as I've done 6 or 7
> > installs today and it will not install grub on anything but
> > /dev/sda.
>
> Run #fdisk -l, only takes a moment...If you have a bad
> partition-table, formatting will not fix it.
It does shut the installer up from complaining about the drive has data
from an old install though. :) And its too late to restart another
install tonight. And I have an appointment with my GP tomorrow to
discuss the protein levels in my liquid output. So we'll have to see
what that leads to.
--
Cheers, Gene Heskett
--
"There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>
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