[Dump-devel] Dump through a named pipe (FIFO)

[Chris de V. <cde...@ya...>]

I need to be able to create a connection through SSH
to a remote dump site before an (unalterable) script
starts a dump.  I'm using RedHat 6.2.

I create a fifo, then I use
dd bs=64k if=test.fifo | ssh user@remote "dd 64k
of=test.dump" &

The dump then runs, which is something like
dump 0bdsf 64 100000 100000 test.fifo /tmp

The dump runs, closes the fifo, I see the dd output
X blocks read
X blocks written
but dump hangs.

I tried the same test with tar; it passed with flying
colors.

Is the problem that dump needs to be able to read back
from the file but can't?  Can anyone think of another
way to pass the data with SSH?

By the way, this:
dump 0bdsf 64 100000 100000 - /tmp | ssh user@remote
"dd bs=64k of=test.dump"
was already thought of.  Won't work with this setup.

Thanks,
/dev/idal

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