[mythtv-users] 1TB USB $225 US
matt+MythTV-Users at mossholder.com
Mon Feb 11 17:20:40 UTC 2008
On Mon, 2008-02-11 at 09:28 -0700, Brian Wood wrote:
> Now that I think about it some folks reporting success with NFS may be
> using gigabit ethernet which, especially with fast processors and drive
> systems, could well approach the speed of USB. The claimed performance
> of USB2 is certainly optimistic at best, and Linux probably does not
> have the most efficient implementation of USB, while Linux was "born to
It is a bit better than "approaching"....
Consider the following:
mattcm at mourneblade:~$ ls -sk /myth/jenn-20080210.tar.gz
mattcm at mourneblade:~$ time cp /myth/jenn-20080210.tar.gz /dev/null
mattcm at mourneblade:~$ bc
Copyright 1991-1994, 1997, 1998, 2000 Free Software Foundation, Inc.
This is free software with ABSOLUTELY NO WARRANTY.
For details type `warranty'.
832984 * 8 (Convert from Kbytes to Kbits)
6663872/1000 (scale to Mbits ... networks speeds are in decimal)
6663/13.368 (Divide by time...)
498 (498 Mbit/sec)
There was an SD recording from the local frontend going on while this
transfer was occurring, as well.
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