Rescue Mode Assistant

Updated -

Rescue Mode Assistant helps customers to solve the following problems in/through the rescue mode of Red Hat Enterprise Linux:
1. Reset root password
2. Generate sosreport
3. Perform a Filesystem Check(fsck)
4. Reinstall GRUB
5. Rebuild the Initial Ramdisk Image
6. Reduce the size of the root file system
After customers choose one of the scenarios above and the Red Hat Enterprise Linux version, this application will show the instruction.

Solutions

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Bram Mertens's picture Active Contributor 261 points
28 July 2020 9:47 AM

The file system repair wizard says to repair filesystems under /dev/mapper in rescue mode after skipping to the shell. On RHEL7.6 /dev/mapper contains live-base, live-rw and control but no filesystems. You need to run vgscan -v --mknodes and vgchange -a y to make this devices available before running xfs_repair.