Gurus,
offline database backup failed as below:
$ db2 "backup db xxxxx use TSM compress"
SQL2025N An I/O error "-50" occurred on media "TSM".

when I looked to find the cause of error, it said:
$ db2 "? SQL2025N"


SQL2025N An I/O error "<code>" occurred on media
"<dir/devices>".

Explanation:

An I/O error occurred while accessing a file on the specified
media.

The utility stops processing.

User Response:

Record the error return code. Determine whether the I/O error
can be corrected

Any idea why this is happening ?
thanks.


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