dd if=/dev/scd0 bs=2k of=/dev/null
the sync(2) system call is blocked until the "dd" command is terminated.
why ? dd opens /dev/scd0 read-only; writing to a pipe gives the same
problem so it's not writing to /dev/null...
using Linux-2.0.27, Toshiba CDROM drive connected to an AHA1542B
(only device on this SCSI bus; SCSI disks connected to NCR810).
Harald
--
All SCSI disks will from now on ___ _____
be required to send an email notice 0--,| /OOOOOOO\
24 hours prior to complete hardware failure! <_/ / /OOOOOOOOOOO\
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\ OOOOOOOOOOOOOOOOO|//
Harald Koenig, \/\/\/\/\/\/\/\/\/
Inst.f.Theoret.Astrophysik // / \\ \
koenig@tat.physik.uni-tuebingen.de ^^^^^ ^^^^^