The Ftape Installation Guide - zftape devices
The Ftape Installation Guide - zftape devices
/dev/qft*', `/dev/nqft*'
When used with these tape devices the driver emulates file marks using a
volume-table segment according to the QIC-113 standard
(http://www.qic.org). The driver doesn't use compression unless
compression is switched on using the MTCOMPRESSION ioctl
(see MTCOMPRESSION).
Note: the driver automatically recognizes tapes with the `Linux raw
format V*' label and denies any write access to such tapes unless
the tape is located at BOT. One also may use
mt -f /dev/qft0 erase
which will damage the data on such tapes (well, at least the first data segment which is zeroed to be used as volume-table). Anyhow, old ftape-2.x tapes still can be read, and one also has complete file mark support (for reading).
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