[Veritas-bu] performance sttings for Win 2000
2002-07-09 10:29:57
Subject: |
[Veritas-bu] performance sttings for Win 2000 |
From: |
bhillebrand AT fhlbi DOT com (Hillebrand, Bradly W.) |
Date: |
Tue, 9 Jul 2002 09:29:57 -0500 |
Should these performance settings be made on just the media servers, or
on the network clients as well?
Thanks,
Brad Hillebrand
FHLBI
-----Original Message-----
From: Ron Lyman [mailto:ron AT linux DOT ca]
Sent: Monday, July 08, 2002 11:27 AM
To: Ron Lyman
Cc: vidit kohli; veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] performance sttings for Win 2000
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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