Peter,
Your plan sounds good.   I too, can't see buying a V890..its a V880
but with the new Sparc IV Chips .  While the CPUs are 
welcome, one gets 7 33Mhz slots to work with etc..
I refrain from posting my comments about the design here.


Robert Maiello
Pioneer Data Systems


On Fri, 17 Feb 2006 12:07:58 +1100, Peter Viertel 
<Peter.Viertel AT MACQUARIE DOT COM> wrote:

>I was musing over how to avoid having the SAS controller...    Someone
>here jokingly suggested a USB flash drive... I wonder if we could boot
>off a mirror of two flash drives?
>
>But really - on a storage node we won't be putting any appreciable
>bandwidth over the SAS controller, so sharing the same PCI-E should not
>be a problem.
>
>
>As for 10GigE... We are constrained because the only 10GigE card that
>fits is a PCI-X one...
>http://sunsolve.sun.com/data/819/819-0938/pdf/819-0938-11.pdf
>
>..or infiniband (our network guys are suggesting IB is cheaper for them
>than 10GigE... But the max cable length is 5 metres).
>http://sunsolve.sun.com/data/819/819-1280/pdf/819-1280-10.pdf
>
> So to utilise the other PCI Bus the HBA will have to be a PCI-E. Sun do
>indeed have a PCI-E HBA....  Dual 4GB on one card!
>http://sunsolve.sun.com/data/819/819-3323/pdf/819-3323-10.pdf
>
>I have been planning a storage node design using a V890 .... But I think
>I can replace it with a pair of T2000's, and the hardware savings will
>hopefully pay for the extra storage node license required.
>
>Yesterday I ran up networker 7.3 on a T2000 just to see if it would
>install and run on sol10/T2000 and it did just fine.... I will be
>seeking some form of statement of hardware compatibility from EMC on
>this.
>
>Next thing is to see what it costs....
>
>
>-----Original Message-----
>From: Legato NetWorker discussion [mailto:NETWORKER AT listserv.temple DOT edu]
>On Behalf Of Robert Maiello
>Sent: Friday, 17 February 2006 8:42 AM
>To: NETWORKER AT listserv.temple DOT edu
>Subject: Re: [Networker] sizing a Sun server for a 4xLTO3 tape library
>
>Yes, do keep us posted!   Which slot will you be putting the 10GE in ??
>
>The docs seems to indicate:
>
>PCI Ex slot 0 shares  PCIE Bus A with 2 GigE ports and the internal
>disks.
>
>PCI Ex slot 1,2 and PCI-X slots 0,1  all share PCIE Bus B with 2GigEs
>and
>                                     the DVD, USB and serial port.
>
>So there are 2 PCI E buses that everything is divided over?  An HBA in
>the fist PCIE slot on PCIE switch/busA will drag down the performance of
>the SAS/SATA disks?
>
>Yes, let us know how the GigE or 10GE works in conjunction with some SAN
>HBAs on in the slots sharing the PCIE switches/buses.  Solaris 10 is
>required here so you should get good network throughput there.
>
>
>Robert Maiello
>Pioneer Data Systems
>
>
>On Thu, 16 Feb 2006 10:43:02 -0500, Jim Ruskowsky <jimr AT JEFFERIES DOT COM>
>wrote:
>
>>Here is a link to a nice architecture paper on the T2000 (block diagram
>
>>on
>>p23)
>>
>>http://www.sun.com/servers/coolthreads/coolthreads_architecture_wp.pdf
>>
>>I just ordered three of these puppies, two of them with 10-GE.  All of
>>them will have FC HBA's connected to a fabric switch.
>>
>>
>>Peter Viertel <Peter.Viertel AT MACQUARIE DOT COM> wrote on 02/15/2006
>>07:47:33
>>PM:
>>
>>> I have this idea that a T2000 would make a good storage node....
>>>
>>>
>>> What is needed here is a nice architecture tech paper like the
>X4200...
>>
>>
>>
>>
>>
>>Jefferies archives and reviews outgoing and incoming e-mail.  It may be
>produced at the request of regulators or in connection with civil
>litigation.
>>Jefferies accepts no liability for any errors or omissions arising as a
>result of  transmission. Use by other than intended recipients is
>prohibited.
>>
>>To sign off this list, send email to listserv AT listserv.temple DOT edu and
>type "signoff networker" in the
>>body of the email. Please write to
>>networker-request AT listserv.temple DOT edu
>if you have any problems
>>wit this list. You can access the archives at
>http://listserv.temple.edu/archives/networker.html or
>>via RSS at http://listserv.temple.edu/cgi-bin/wa?RSS&L=NETWORKER
>>=======================================================================
>>==
>
>To sign off this list, send email to listserv AT listserv.temple DOT edu and
>type "signoff networker" in the body of the email. Please write to
>networker-request AT listserv.temple DOT edu if you have any problems wit this
>list. You can access the archives at
>http://listserv.temple.edu/archives/networker.html or via RSS at
>http://listserv.temple.edu/cgi-bin/wa?RSS&L=NETWORKER
>
>
>
>NOTICE
>This e-mail and any attachments are confidential and may contain copyright 
material of Macquarie Bank or third parties. If you are not the intended 
recipient of this email you should not read, print, re-transmit, store or 
act in reliance on this e-mail or any attachments, and should destroy all 
copies of them. Macquarie Bank does not guarantee the integrity of any 
emails or any attached files. The views or opinions expressed are the 
author's own and may not reflect the views or opinions of Macquarie Bank.
>
>To sign off this list, send email to listserv AT listserv.temple DOT edu and 
type "signoff networker" in the
>body of the email. Please write to networker-request AT listserv.temple DOT 
>edu 
if you have any problems
>wit this list. You can access the archives at 
http://listserv.temple.edu/archives/networker.html or
>via RSS at http://listserv.temple.edu/cgi-bin/wa?RSS&L=NETWORKER
>=========================================================================

To sign off this list, send email to listserv AT listserv.temple DOT edu and 
type "signoff networker" in the
body of the email. Please write to networker-request AT listserv.temple DOT edu 
if you have any problems
wit this list. You can access the archives at 
http://listserv.temple.edu/archives/networker.html or
via RSS at http://listserv.temple.edu/cgi-bin/wa?RSS&L=NETWORKER