I'll try that...I was using instructions I found on the internet for single-user/maintenance mode. From the grub screen you enter 'e' and modify the linux16 line...etc. Okay, I'll try that next. Thanks Simon! On 5/13/2020 7:28 AM, Simon Matter via CentOS wrote: > Hi, > >> Yeah, I tried that but ran into a problem. It came up fine in >> single-user/maintenance mode. The mount command shows all of the >> mounted file systems, but after I 'chroot /sysroot', the mount failed >> (with some problem with mtab, sorry don't have the exact error >> message). So I couldn't mount my 32TB RAID (where the xfsdump file was). > I think you misunderstood what I meant. You appear to have booted into > rescue mode, but that's not what I meant. What I meant is good old single > user mode. The state you'll get with "telinit 1" or with "s" or "1" as a > kernel boot option. > > For what you want to do not a single reboot is required. > > Regards, > Simon > >> On 5/13/2020 12:48 AM, Simon Matter via CentOS wrote: >>> Hi, >>> >>>> I'm having some difficulty finding a method to shrink my /home to >>>> expand >>>> my /. They both correspond to LVMs. It is my understanding that one >>>> cannot shrink a xfs filesystem. One must back it up (xfsdump), remove >>>> (lvremove) redefine it and then restore it back (xfsrestore). >>>> >>>> Okay, I'm running into a problem where /home needs to be "unused". If >>>> tried going in to "maintance mode", but I ran into a problem with the >>>> mount command (after issuing a 'chroot /sysroot'). I then tried using >>>> SystemRescueCD to boot to, but it wouldn't mount my 32TB RAID USB drive >>>> (something about too big). >>>> >>>> Any thoughts or suggestions? >>> What is the problem if you boot directly into maintenance mode? Then it >>> should be possible to backup home to a remote destination, unmount >>> /home, >>> remove the home LV, expand /, recreate home and mount it, restore from >>> backup and you're done. No need to use any SystemRescueCD or other tool. >>> >>> Regards, >>> Simon >>> >>> _______________________________________________ >>> CentOS mailing list >>> CentOS at centos.org >>> https://lists.centos.org/mailman/listinfo/centos >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> https://lists.centos.org/mailman/listinfo/centos >> > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos