Re: [Discuss-gnuradio] the best file system for reading fast

[Daniel O'Connor]

On Wed, 5 Sep 2007, Jim Perkins wrote:
> For the absolute best performance put the recording partition at the
> front of the disk.  The beginning of the disk is much faster than the
> end.  I've tested recent SATA drives at over 60 MB/s at the beginning
> of the disk.  Toward the end of the disk the performance can drop
> below 30 MB/s.  As and example suppose your drive is 500 GB.  Make
> the first partition 50 GB and the second 450 GB.  Use the first
> partition as the recording partition and the second for storage and
> whatever.  At 32 MB/s the 50 GB partition will hold 26 minutes of
> continuous data.  This is obviously a "purist" approach but doing it
> this way you will have a RELIABLE recording setup.

I would suggest you use a completely separate disk then you  won't have 
problems with random seeks stuffing you up.

You might want to consider higher performance disks too (although ISTR 
10k & 15k RPM disks don't get [much] more sequential throughput).

-- 
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
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