The -f option specifies which tape device to use. Use sysconfig -t to list all tape devices on the filer. -t has the same effect as -f.
- eof, weof
- Writes count end-of-filemarks beginning at the current position on tape.
- Forward spaces over count filemarks. Positions the tape on the end-of-tape side of the filemark.
- Backward spaces over count filemarks. Positions the tape on the beginning-of-tape side of the filemark.
- Forward spaces count records. Positions the tape on the end-of-tape side of the record(s).
- Backward spaces count records. Positions the tape on the beginning-of-tape side of the record(s).
- Erases the tape beginning at the current tape position. When the erase completes, the tape is positioned to beginning-of-tape.
- Rewinds the tape, positioning the tape to beginning-of-tape.
- Displays status information about the tape unit. If you have a tape device that Network Appliance has not qualified, you must use the following command syntax to access the tape device before the filer can register the tape device as a valid clone of a qualified device:
After the filer accesses the tape device, you can use the sysconfig -t command to display information about the device emulation.
- Rewinds the tape and unloads tape media.
- Enables or disables display of diagnostic messages from tape driver. Enabling diagnostic messages can be helpful when attempting to diagnose a problem with a tape device. Specifying a count of "1" enables display of diagnostic messages, a count of "0" disables diagnostic messages. Diagnostic messages are disabled by default.
- Positions the tape to end of data (end of media if tape is full).
toaster> mt -f nrst0a status
Tape drive: Exabyte 8505 8mm Status: ready, write enabled Format: EXB-8500C (w/compression) fileno = 0 blockno = 0 resid = 0
To skip over a previously created dump file to append a dump onto a no-rewind tape device, use the fsf (forward space file) command:
toaster> mt -f nrst0a fsf 1
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