-$ ls -l /dev/st0*
crw-rw-rw- 1 root tape 9, 0 2004-09-18 07:51 /dev/st0
crw-rw-rw- 1 root tape 9, 96 2004-09-18 07:51 /dev/st0a
crw-rw-rw- 1 root tape 9, 32 2004-09-18 07:51 /dev/st0l
crw-rw-rw- 1 root tape 9, 64 2004-09-18 07:51 /dev/st0m
What differentiates st0 from a,l,m?
What does writing or reading to a tape using a,l,m signify?
By default, they're all the same. You can tweak the driver parameters,
however, to cause the different devices to use different densities and
blocking modes. See mt(1) and Documentation/scsi/st.txt.
jon
Jonathan Corbet
Executive editor, LWN.net
corbet@xxxxxxx