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UNIX for Dummies Questions & Answers
File System inconsistency
Post 65413 by callitdctr on Saturday 5th of March 2005 06:03:29 AM
03-05-2005
File System inconsistency
Dear All,
Here I am sending the error msg that come to to the terminal when I attempt to start my
linux redhat 2.4.18-3 system.
cheking file system
/boot clean
/home : clean
/usr :containing file system with errors,check forced
error reading block 35924(attempt to read blocks from filesystem resulted in short read)
usr/ UNEXPECTED INCONSISTENCY;run fsck MANUALLY.
(i.e. without -a or -p option)]
an error occurred during the file system check
dropping you to system shell.the system will reboot when you leave the
shell.
give root password for maintinace
(or type control d for normal startup)
I tried several options but the problm is that I don't have a boot diskette,
so I cant unmount the usr directory during the pocess.fsck can damage file sys heavily when running in a mounted fs.An option possibly -A(not -a) -R -V(can't remember exactly)tells on invoking that it recquire a terminal to run.i started the bash shell but it is not working in that also.I dont know the name of the device as recquired by command.To force bad block check i don't know the file of bad blocks -c option -l option.File sys is ext3.I am using fsck 1.27.
Please help me to solve the problem.
Last edited by callitdctr; 03-05-2005 at 07:10 AM..
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LEARN ABOUT MINIX
switch_root
SWITCH_ROOT(8) System Administration SWITCH_ROOT(8) NAME
switch_root - switch to another filesystem as the root of the mount tree SYNOPSIS
switch_root [-hV] switch_root newroot init [arg...] DESCRIPTION
switch_root moves already mounted /proc, /dev, /sys and /run to newroot and makes newroot the new root filesystem and starts init process. WARNING: switch_root removes recursively all files and directories on the current root filesystem. OPTIONS
-h, --help Display help text and exit. -V, --version Display version information and exit. RETURN VALUE
switch_root returns 0 on success and 1 on failure. NOTES
switch_root will fail to function if newroot is not the root of a mount. If you want to switch root into a directory that does not meet this requirement then you can first use a bind-mounting trick to turn any directory into a mount point: mount --bind $DIR $DIR SEE ALSO
chroot(2), init(8), mkinitrd(8), mount(8) AUTHORS
Peter Jones <pjones@redhat.com> Jeremy Katz <katzj@redhat.com> Karel Zak <kzak@redhat.com> AVAILABILITY
The switch_root command is part of the util-linux package and is available from https://www.kernel.org/pub/linux/utils/util-linux/. util-linux June 2009 SWITCH_ROOT(8)