Sep 18 05:52:55 preclear_disk_50123456789ABCDE_25115: Command: /usr/local/emhttp/plugins/preclear.disk/script/preclear_disk.sh --cycles 1 --skip-preread --no-prompt /dev/sdbSep 18 05:52:55 preclear_disk_50123456789ABCDE_25115: Preclear Disk Version: 1.0.22Sep 18 05:52:55 preclear_disk_50123456789ABCDE_25115: /usr/local/emhttp/plugins/preclear.disk/script/preclear_disk.sh: line 2136: / : syntax error: operand expected (error token is "/ ")Sep 18 05:52:55 preclear_disk_50123456789ABCDE_25115: Disk size: Sep 18 05:52:55 preclear_disk_50123456789ABCDE_25115: Disk blocks: Sep 18 05:52:55 preclear_disk_50123456789ABCDE_25115: Blocks (512 bytes): Sep 18 05:52:55 preclear_disk_50123456789ABCDE_25115: Block size: Sep 18 05:52:56 preclear_disk_50123456789ABCDE_25115: Start sector: 0Sep 18 05:52:57 preclear_disk_50123456789ABCDE_25115: Zeroing: zeroing the disk started (1/5)....Sep 18 05:52:57 preclear_disk_50123456789ABCDE_25115: numfmt: invalid number: ''Sep 18 05:52:57 preclear_disk_50123456789ABCDE_25115: Zeroing: emptying the MBR.Sep 18 05:52:57 preclear_disk_50123456789ABCDE_25115: blockdev: cannot open /dev/sdb: No such device or addressSep 18 05:52:57 preclear_disk_50123456789ABCDE_25115: Zeroing: dd if=/dev/zero of=/dev/sdb bs=2097152 seek=2097152 count=-2097152 conv=notrunc iflag=count_bytes,nocache,fullblock oflag=seek_bytesSep 18 05:52:57 preclear_disk_50123456789ABCDE_25115: Zeroing: dd pid [26265]Sep 18 05:53:02 preclear_disk_50123456789ABCDE_25115: Zeroing: dd - wrote 0 of (0).Sep 18 05:53:02 preclear_disk_50123456789ABCDE_25115: Zeroing: elapsed time - 0:00:00Sep 18 05:53:02 preclear_disk_50123456789ABCDE_25115: Zeroing: dd command failed, exit code [1].Sep 18 05:53:02 preclear_disk_50123456789ABCDE_25115: Zeroing: dd output: Sep 18 05:53:02 preclear_disk_50123456789ABCDE_25115: Zeroing: dd output: dd: invalid number: '-2097152'Sep 18 05:53:02 preclear_disk_50123456789ABCDE_25115: Zeroing: zeroing the disk failed!