Robert,
Between this and your other thread, I have a (new) concern that I didn't
have 15 minutes ago.....and maybe you have some insight?

I am replacing my antiquated e4500 Storage Node (8x400Mhz/4G RAM/4x TOE
[tcp offload engine] GigE/4x 1G HBA/1x100Mb admin NIC) with a e490
(4x1.35Ghz dual core/8G RAM/4x TOE GigE + 1 onboard GigE/2x 2port 2G
HBA/1xGigE admin)....both running solaris 8 outputting to 6x STK 9940B
(30/60/90M write speed).  I currently max out at 100-120 MB/sec
aggregate throughput to the drives, but I also have 6 nsrmmd processes
(1 per drive) that max out at 100% cpu (x6) when I hit that mark.  So I
have always worked under the assumption that my throughput limitations
have been due to cpu constraints during max usage.  

I also assumed that updated servers could reach higher speeds through
enhanced CPUs with corresponding nsrmmd processing power.  However,
reading your comments on 'streams queue' raises the question....Will we
see the increased throughput from hardware upgrades alone?  Or should we
also be investigating an OS upgrade?  Will Solaris 8 bite me as a
solution?  Unlike you, I've never been able to get any kind of good info
from our SUN staff or support whenever I have raised the question of
true TCP I/O performance tuning.....there's are reasons (other than the
obvious) why our e4500 has all TOE cards.

Thanks in advance for any thoughts/feelings/comments that you or any
other listserv member has.  
--Ted


-----Original Message-----
From: Legato NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU]
On Behalf Of Robert Maiello
Sent: Thursday, December 08, 2005 1:37 PM
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Subject: Re: [Networker] ANALYSIS: Networker server price/performance


Jan,

Actually its a little known fact the the controller on a V440 is
actually 
a hardware raid controller.  Booting off of it is probably not support
nor do I know anyone that uses it this way..most SUN systems use Veritas
or 
Sun Volume Manager (aka Disksuire) to mirror the boot disk etc.

See my other reply in this thread.  I found the V440 quite capable but
apparrently as one tries to drive the gigabit NICs faster more CPU
is needed.   

I'd love to know if any of SUN's new dual core CPUs help in this regard.

Robert Maiello
Pioneer Data Systems

On Wed, 7 Dec 2005 03:17:42 -0500, Jan Fredrik
L=?ISO-8859-1?Q?=C3=B8vik?= 
<jan.lovik AT ROXAR DOT COM> wrote:

>I am in the process of investing in a new Networker server and was
wondering
>what kind of disk system you are running on the V440? Since you are 
>able
to
>max out 4 procs., are you running sw raid?
>I have been given a offer on a V240 and V440 as well as an AMD-based 
>X4200 server..
>
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