Left out some important info... the chart columns for Files and Exchange 
show the throughput in kB/sec.

On Mon, 8 Jul 2002, Ron Lyman wrote:

> Now that I have a new tape drive (Thanks to all who helped!) I have 
> started experimenting with this W2K Server.
> 
> Optimal settings depend on your specific configuration.  You will need to 
> experiment.
> 
> We have a Compaq DL580 with an attached Compaq SDLT drive.  As well as
> being the sole master/media server, all data to be backed up, files and
> Exchange stores, are located on this server.  I have not modified 
> NET_BUFFER_SZ at all, since this is all direct attached.  (Would this 
> parameter make a differnce in my case?)
> 
> Exchange stores are about 2.5 GB
> The four directories hold about 92,500 files in about 45 GB.
> 
> 
>     TUNING IMPACT ON THROUGHPUT
> 
>    SIZE   NUMBER   Files  Exchange
>   Default Default   3911    3985
>    65536  Default   3911    4034
>   131072 Default  FAILED - bptm log shows max for this drive is 64 kB
>    65536    32      5973   15915
>    65536    64      7994   15303
> 
> 
> Tonight we shall see what happens with 128 buffers.  I cannot express how
> exited I was to see the 2.5 GB Exchange store backed up in under three
> minutes - much less then 30 minutes with the old DLT setup (with default
> parameters).  Reducing the backup window from 9 hours to just over 2 has 
> more than justified the cost of this new hardware, and given me much 
> geeky pleasure.  :)
> 
> HTH,
> Ron Lyman
> Network Support
> Moen Incorporated
> (905) 829-3400 x 253
> 
> On Mon, 8 Jul 2002, vidit kohli wrote:
> 
> > hello
> > 
> > Could anyone please send me the performance settings for Win Nt/2000 servers
> > 
> > Size_data_buffer
> > Number_data_buffer
> > Net_buffer_sz
> > 
> > thanks
> > 
> > vidit
> 
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