I faced the same error message yesterday. While reboot, fsck will prompt to fix the lost chain error. Back to normal after all the lost chain fixed. "Alfred von Campe" <alfred at 110.net> ¦b¶l¥ó news:00871C0A-E34C-4055-B302-5E6EE8BBB01F at 110.net ¤¤¼¶¼g... > This is very strange. Everything was running fine Friday night. > This morning I walk into work and find that my root file system > (which is actually the only filesystem besides /boot) is not > writable. Yet mount thinks it's mounted read/write: > > # mount > /dev/mapper/VolGroup00-LogVol00 on / type ext3 (rw) > [snip] > # touch foo > touch: cannot touch `foo': Read-only file system > > Anyone else seen this? This is on a relatively recently fresh CentOS > 4.3 install. > > Alfred