Hand editing grub is supposed to be a no-no. I have no idea why. I used a graphical grub editor the last time I got in trouble with grub and that worked fine - no drama.
Dave On 5/6/2015 1:21 PM, Erik Christiansen wrote: > On 06.05.15 12:01, Gene Heskett wrote: >>> So I have added it manually to /boot/grub/grub.cfg on the normal, >>> default=0 entry. >> I did that only to the normal boot, not to the recovery entry. And now >> the drive refuses to e2fsck at either the default superblock or the >> suggested -b 8193 option e2fsck suggests. > OK, assuming you're e2fsck-ing because the default boot now doesn't > work, have you tried booting the recovery entry, and undoing the > /boot/grub/grub.cfg hand-edit, to see if the drive then behaves? > >> So, on a fairly new toshiba drive, what would be a good superblock >> address? > NDI, but trying on my little Western Digital 320 GB drive, I get: > > # dumpe2fs /dev/disk/by-uuid/18cb718f-4e16-4e63-a0cb-eb10a1dc3607 | grep -i > superblock > dumpe2fs 1.42.5 (29-Jul-2012) > Primary superblock at 1, Group descriptors at 2-3 > Backup superblock at 8193, Group descriptors at 8194-8195 > Backup superblock at 24577, Group descriptors at 24578-24579 > Backup superblock at 40961, Group descriptors at 40962-40963 > Backup superblock at 57345, Group descriptors at 57346-57347 > Backup superblock at 73729, Group descriptors at 73730-73731 > Backup superblock at 204801, Group descriptors at 204802-204803 > Backup superblock at 221185, Group descriptors at 221186-221187 > > That's nothing like the old days, when I used to see numbers like: > 32768, 98304, 163840, 229376, 294912 > > You seem to have a fair crop of gremlins, Gene. Have they all been holed > up over winter, and now smelled spring? > > Erik > > ------------------------------------------------------------------------------ > One dashboard for servers and applications across Physical-Virtual-Cloud > Widest out-of-the-box monitoring support with 50+ applications > Performance metrics, stats and reports that give you Actionable Insights > Deep dive visibility with transaction tracing using APM Insight. > http://ad.doubleclick.net/ddm/clk/290420510;117567292;y > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users --- This email has been checked for viruses by Avast antivirus software. http://www.avast.com ------------------------------------------------------------------------------ One dashboard for servers and applications across Physical-Virtual-Cloud Widest out-of-the-box monitoring support with 50+ applications Performance metrics, stats and reports that give you Actionable Insights Deep dive visibility with transaction tracing using APM Insight. http://ad.doubleclick.net/ddm/clk/290420510;117567292;y _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users