Re: IPoIB TC MIB
"Hal Rosenstock" <[email protected]> Tue, 20 Dec 2005 06:33:05 -0500
| Newsgroups | gmane.ietf.ipoib |
|---|---|
| Message-ID | <[email protected]> |
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Hi David,
Are you referring to the IBA definition of partition ? Then my quibble =
is with this. If full and limited members are in the same partition, it =
seems there are 2 PKeys for the partition (and look at the valuie range =
for ibPartitionKey) so my comment is then as follows:
While ibPartition is a 16 bit value, it is filled with the low 15 bits =
of the PKey with the high bit being zero. That is not clear (and that is =
how I think it needs to be used).
I want a partition based table (with full and limited members) not =
separate ones (for full and limited members).
-- Hal
----- Original Message -----=20
From: David M. Brean=20
To: Hal Rosenstock=20
Cc: IPoverIB=20
Sent: Tuesday, December 20, 2005 4:09 AM
Subject: Re: [Ipoverib] IPoIB TC MIB
Hello,
Hal Rosenstock wrote:
Hi,
In draft-ietf-ipoib-ibmib-tc-mib-07.txt, there is ibPartitionKey as =
follows:
IbPartitionKey ::=3D TEXTUAL-CONVENTION
DISPLAY-HINT "x"
STATUS current
DESCRIPTION
"The 16-bit Partition Key."
SYNTAX Unsigned32 (0..65535)How about an ibPartition with a =
definition something like the following:IbPartition ::=3D =
TEXTUAL-CONVENTION
DISPLAY-HINT "x"
STATUS current
DESCRIPTION
"The 15-bit Partition Key Base without the membership bit."
SYNTAX Unsigned32 (0..32767)
A partition has full and limited members where all 16-bits define the =
partition. In fact, text says "A collection of endnodes with the same =
P_Key in their P_Key Tables are referred to as being members of a =
partition, or in a partition. A P_Key Table can specify one of two types =
of partition membership: Limited or Full." So, I think that you should =
choose a different name, if this is needed. Also, how do you propose to =
use this new definition?
By the way, a nit: the MIB also defines the "IbSmPortList". Can it be =
called "IbSmaPortList" or "IbPortList"? It's used in the SMA MIB.
-David
-- =
Hal----------------------------------------------------------------------=
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<DIV><FONT face=3DArial size=3D2>Hi David,</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>Are you referring to the IBA definition =
of=20
partition ? Then my quibble is with this. If full and limited members =
are in the=20
same partition, it seems there are 2 PKeys for the partition (and look =
at the=20
valuie range for ibPartitionKey) so m</FONT><FONT face=3DArial =
size=3D2>y comment is=20
then as follows:</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>While ibPartition is a 16 bit value, it =
is filled=20
with the low 15 bits of the PKey with the high bit being zero. That is =
not clear=20
(and that is how I think it needs to be used).</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>I want a partition based table (with =
full and=20
limited members) not separate ones (for full and limited =
members).</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>-- Hal</FONT></DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV=20
style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
<A [email protected] =
href=3D"mailto:[email protected]">David M.=20
Brean</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
[email protected]=20
href=3D"mailto:[email protected]">Hal Rosenstock</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>Cc:</B> <A =
[email protected]=20
href=3D"mailto:[email protected]">IPoverIB</A> </DIV>
<DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Tuesday, December 20, =
2005 4:09=20
AM</DIV>
<DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Re: [Ipoverib] IPoIB =
TC=20
MIB</DIV>
<DIV><BR></DIV><TT>Hello,</TT><BR><BR>Hal Rosenstock wrote:<BR>
<BLOCKQUOTE =
[email protected]=20
type=3D"cite">
<META content=3D"MSHTML 6.00.2800.1400" name=3DGENERATOR>
<STYLE></STYLE>
<DIV><FONT face=3DArial size=3D2>Hi,</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>In =
draft-ietf-ipoib-ibmib-tc-mib-07.txt, there=20
is ibPartitionKey as follows:</FONT></DIV>
<DIV> </DIV>
<DIV><!--StartFragment --><PRE>IbPartitionKey ::=3D =
TEXTUAL-CONVENTION
DISPLAY-HINT "x"
STATUS current
DESCRIPTION
"The 16-bit Partition Key."
SYNTAX Unsigned32 (0..65535)</PRE><PRE><FONT face=3DArial =
size=3D2>How about an ibPartition with a definition something like the =
following:</FONT></PRE><PRE><!--StartFragment --><PRE>IbPartition ::=3D =
TEXTUAL-CONVENTION
DISPLAY-HINT "x"
STATUS current
DESCRIPTION
"The 15-bit Partition Key Base without the membership bit."
SYNTAX Unsigned32 (0..32767)</PRE></PRE></DIV></BLOCKQUOTE><BR>A =
partition=20
has full and limited members where all 16-bits define the =
partition. In=20
fact, text says "A collection of endnodes with the same P_Key in their =
P_Key=20
Tables are referred to as being members of a partition, or in a =
partition. A=20
P_Key Table can specify one of two types of partition membership: =
Limited or=20
Full." So, I think that you should choose a different name, if =
this is=20
needed. Also, how do you propose to use this new =
definition?<BR><BR>By=20
the way, a nit: the MIB also defines the "IbSmPortList". Can it =
be=20
called "IbSmaPortList" or "IbPortList"? It's used in the SMA=20
MIB.<BR><BR>-David<BR><BR>
<BLOCKQUOTE =
[email protected]=20
type=3D"cite">
<DIV><PRE><PRE> </PRE><PRE><FONT face=3DArial size=3D2>-- =
Hal</FONT></PRE></PRE></DIV><PRE wrap=3D""><HR width=3D"90%" SIZE=3D4>
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