Source:  LFS.NLM

Explanation:  The operating system was trying to write extended directory information to disk. When it tried to write the information, it got a disk error. The information was not written to the disk and will be lost. The information which was lost might have been extended attribute data.

Possible Cause:  This error might have been caused by a hard disk or channel failure. The disk might have other data integrity problems.

Action:  Use the warning message that preceded this message to determine the actual cause and solution of the problem. See "Disk Errors in the Server Operating System Administration Guide.