reading tm tapes

|I am reading a landsat tm imagery to unix, and using i.tape.tm command in
|grass3.0. But a error message pop up.
| ERROR reading tape: read 1536 chars, should be 1027158323
|How can I solve the problem?
|
|
i.tape.tm is expecting OLDer format tapes. If you are have the new
"fast" format tape, you will have to extraCt the data "by hand" using
"dd" and then r.support.

Michael