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>
