>Is the scratch directory located on the local disk? What is the filesystem in use? What is the Linux kernel version?
>This error can be caused by several reasons, e.g., faulty HDD
>or other hardware, improper permissions, locked files etc...
My scratch disk is indeed local. The filesystem is ecryptfs, and the Linux version is Ubuntu 10.0.4, kernel version 2.6.32-30-server
Thanks you for your help!