server = Ubuntu 11.04
login as a root, able to create directory, copy file previously few weeks ago, but now try to create directory but failed
mkdir abc mkdir: cannot create directory `abc': Read-only file system
Is volume mounted as rw volume? or r only.
mount -oremount,rw /path/to/disk may work to remount volume as rw but only god can fix it there are other failures.
check status of system message buffer for relevant errors first...
Like the error says: the filesystem is mounted read-only. Check