gzip: stdin: not in gzip format tar: Child returned status 1 tar: Error is not recoverable: exiting now

[root@Gris-11140 FMIS2600bak]# tar -zxvf /home/oradata/FMIS2600DMP.tar.gz
gzip: stdin: not in gzip format
tar: Child returned status 1
tar: Error is not recoverable: exiting now

由于该文件不是压缩文件，所以会报这个错误。

使用下面的命令，查看文件格式

file /home/oradata/FMIS2600DMP.tar.gz

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