X-MimeOLE: Produced By Microsoft Exchange V6.5
Received: by onstor-exch02.onstor.net 
	id <01C90896.7E7B3862@onstor-exch02.onstor.net>; Wed, 27 Aug 2008 15:44:41 -0700
MIME-Version: 1.0
Content-Type: multipart/alternative;
	boundary="----_=_NextPart_001_01C90896.7E7B3862"
Content-class: urn:content-classes:message
Subject: RE: Functional specification for Pantera 3110 and Cougar 3310/3510/6520
Date: Wed, 27 Aug 2008 15:44:41 -0700
Message-ID: <BB375AF679D4A34E9CA8DFA650E2B04E0B6A91F8@onstor-exch02.onstor.net>
In-Reply-To: <BB375AF679D4A34E9CA8DFA650E2B04E0B6A8C80@onstor-exch02.onstor.net>
X-MS-Has-Attach: 
X-MS-TNEF-Correlator: 
Thread-Topic: Functional specification for Pantera 3110 and Cougar 3310/3510/6520
Thread-Index: AckH8gr8gdhtScChSuq7G3RHxmPQfQAob5yA
References: <BB375AF679D4A34E9CA8DFA650E2B04E0B6A8C80@onstor-exch02.onstor.net>
From: "Raj Kumar" <raj.kumar@onstor.com>
To: "Jonathan Goldick" <jonathan.goldick@onstor.com>,
	"dl-Design Review" <dl-designreview@onstor.com>
Cc: "dl-Cougar" <dl-Cougar@onstor.com>

This is a multi-part message in MIME format.

------_=_NextPart_001_01C90896.7E7B3862
Content-Type: text/plain;
	charset="us-ascii"
Content-Transfer-Encoding: quoted-printable

Few comments:

1.	Pantera 3110 - You mentioned the amount of storage is limited
and it will be defined when we ship the unit (with the NexSAN). Does
this mean the customer can not buy and add additional NexSAN's? If yes,
shouldn't we need to define the limit for the volume size as well? If
no, what are the options customer has? May be a new Pantera 3110
cluster?
2.	In reality most of the customer I/O patterns do not match with
SPEC's. How will we handle a situation where the customer does the S/W
upgrade to a higher performing model but still sees the same
performance? Do you think we will even run into this situation?
3.	Don't we need to define and test the S/W upgrade procedure
(Changing model numbers) when the customer like to upgrade?
4.	Is SPEC testing enough? Do we need to define and test regular
I/O workflows and see the performance drops in the lower end models?=20

Thanks.

_____________________________________________
From: Jonathan Goldick=20
Sent: Tuesday, August 26, 2008 8:08 PM
To: dl-Design Review
Cc: dl-Cougar
Subject: Functional specification for Pantera 3110 and Cougar
3310/3510/6520

 << File: PanteraCougar3xxxSoftLimits.doc >>=20

------_=_NextPart_001_01C90896.7E7B3862
Content-Type: text/html;
	charset="us-ascii"
Content-Transfer-Encoding: quoted-printable

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
<HTML>
<HEAD>
<META HTTP-EQUIV=3D"Content-Type" CONTENT=3D"text/html; =
charset=3Dus-ascii">
<META NAME=3D"Generator" CONTENT=3D"MS Exchange Server version =
6.5.7653.38">
<TITLE>RE: Functional specification for Pantera 3110 and Cougar =
3310/3510/6520</TITLE>
</HEAD>
<BODY>
<!-- Converted from text/rtf format -->

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">Few =
comments:</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 =
FACE=3D"Arial">1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> =
<FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">Pantera =
3110</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> =
<FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">&#8211;</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial"> =
You</FONT> <FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">mentioned the =
amount of storage is limited and it</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial"> will be defined when we ship the unit (with =
the</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT =
COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">NexSAN</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">). Does this mean the customer can not buy and =
add additional</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"> <FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">NexSAN</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">&#8217;</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">s</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">?</FONT><FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial"> =
If yes,</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> =
<FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">shouldn</FONT><FONT =
COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">&#8217;</FONT><FONT =
COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">t</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial"></FONT> <FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">we need to define the limit for the volume size as well? =
If no, what are the options</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">customer has</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">? May be a new Pantera 3110 =
cluster?</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 =
FACE=3D"Arial">2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> =
<FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">In =
rea</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">lity</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">most</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">of the customer I/O patterns do not match with =
SPEC</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">&#8217;</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">s. How will we handle a situation where the =
customer</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> =
<FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">does the S/W upgrade =
to</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT =
COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">a</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial"> higher performing model but still sees the same =
performance?</FONT> <FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">Do =
you think we will even run into this situation?</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 =
FACE=3D"Arial">3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> =
<FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">D</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">on</FONT><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">&#8217;</FONT><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">t</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial"></FONT> =
<FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">we need to =
define</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> =
<FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">and =
test</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> =
<FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">the S/W upgrade =
procedure (Changing model numbers) when the customer like to =
upgrade?</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 =
FACE=3D"Arial">4.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> =
<FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">Is SPEC testing enough? =
Do we need to define and test regular I/O workflows and see the =
performance drops in the lower end models? </FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">Thanks.</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2>_____________________________________________<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B></B></SPAN><B><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2>From:</FONT></SPAN></B><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2> Jonathan =
Goldick<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B></B></SPAN><B><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2>Sent:</FONT></SPAN></B><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2> Tuesday, =
August 26, 2008 8:08 PM<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B></B></SPAN><B><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2>To:</FONT></SPAN></B><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2> dl-Design =
Review<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B></B></SPAN><B><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2>Cc:</FONT></SPAN></B><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2> dl-Cougar<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B></B></SPAN><B><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2>Subject:</FONT></SPAN></B><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2> Functional =
specification for Pantera 3110 and Cougar =
3310/3510/6520</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT FACE=3D"Times New =
Roman">&nbsp;&lt;&lt; File: PanteraCougar3xxxSoftLimits.doc =
&gt;&gt;</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> =
</SPAN></P>

</BODY>
</HTML>
------_=_NextPart_001_01C90896.7E7B3862--
