Return-Path: Received: from ensim.rackshack.net (root@localhost) by orafaq.net (8.11.6/8.11.6) with ESMTP id h8PL0rT27161 for ; Thu, 25 Sep 2003 16:00:53 -0500 X-ClientAddr: 66.27.56.213 Received: from www2.fatcity.com (rrcs-west-66-27-56-213.biz.rr.com [66.27.56.213]) by ensim.rackshack.net (8.11.6/8.11.6) with ESMTP id h8PL0qc27155 for ; Thu, 25 Sep 2003 16:00:53 -0500 Received: (from root@localhost) by www2.fatcity.com (8.11.6/8.11.6) id h8PIM5q29049 for oracle-l@orafaq.net; Thu, 25 Sep 2003 11:22:05 -0700 Received: by fatcity.com (05-Jun-2003/v1.0g-b73/bab) via fatcity.com id 005D111D; Thu, 25 Sep 2003 11:19:52 -0800 Message-ID: Date: Thu, 25 Sep 2003 11:19:52 -0800 To: Multiple recipients of list ORACLE-L X-Comment: Oracle RDBMS Community Forum X-Sender: "Matthew Zito" Sender: ml-errors@fatcity.com Reply-To: ORACLE-L@fatcity.com Errors-To: ML-ERRORS@fatcity.com From: "Matthew Zito" Subject: RE: Oracle Compress Option Organization: Fat City Network Services, San Diego, California X-ListServer: v1.0g, build 73; ListGuru (c) 1996-2003 Bruce A. Bergman Precedence: bulk Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0183_01C3836F.F4821480" ------=_NextPart_000_0183_01C3836F.F4821480 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable =20 What is 802.3ad link aggregation? Tell you what - buy the box and I'll = tell ya how it works ;) =20 Seriously, though, its a networking protocol for ethernet cards and = ethernet switches to be aware of flow relationships - i.e. it makes the switches = and hosts aware that the ethernet card attached to port 1 and the one = attached to port 5 are actually part of the same node. So, nodes become aware of = how to redirect traffic in case of a failure, as well as how to load balance =20 AIX, right? Here's a link to IBM's discussion on it for the p-series: =20 http://publib16.boulder.ibm.com/pseries/en_US/aixbman/commadmn/tcp_etherc= han nel.htm =20 Good luck, Matt -- Matthew Zito GridApp Systems Email: mzito@gridapp.com Cell: 646-220-3551 Phone: 212-358-8211 x 359 http://www.gridapp.com =20 -----Original Message----- Jamadagni, Rajendra Sent: Thursday, September 25, 2003 2:40 PM To: Multiple recipients of list ORACLE-L Matt, =20 What is 802.3ad link aggregation ?? Any handy URLs ?? TIA =20 Raj -------------------------------------------------------------------------= --- ----=20 Rajendra dot Jamadagni at nospamespn dot com=20 All Views expressed in this email are strictly personal.=20 QOTD: Any clod can have facts, having an opinion is an art !=20 -----Original Message----- Sent: Thursday, September 25, 2003 1:25 PM To: Multiple recipients of list ORACLE-L =20 On our appliance, to get around the irritating load-balancing+failover issue, we're using 802.3ad link aggregation. Trying to load-balance = Gigabit is really an exercise in futility - almost all of the performance improvement comes from improved interrupt queuing (and even that is = already mitigated on the card through coalescing interrupts). The real benefit = is the failover - that works very very well. =20 Thanks, Matt ------=_NextPart_000_0183_01C3836F.F4821480 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
 
What=20 is 802.3ad link aggregation?  Tell you what - buy the box and I'll = tell ya=20 how it works ;)
 
Seriously, though, its a networking protocol for ethernet cards = and=20 ethernet switches to be aware of flow relationships - i.e. it makes the = switches=20 and hosts aware that the ethernet card attached to port 1 and the one = attached=20 to port 5 are actually part of the same node.  So, nodes become = aware of=20 how to redirect traffic in case of a failure, as well as how to load=20 balance
 
AIX,=20 right?  Here's a link to IBM's discussion on it for the=20 p-series:
 
http://publib16.boulder.ibm.com/pseries/en_US/aixbman= /commadmn/tcp_etherchannel.htm
 
Good=20 luck,
Matt

--
Matthew Zito
GridApp Systems
Email:=20 mzito@gridapp.com
Cell: 646-220-3551
Phone: 212-358-8211 x = 359
http://www.gridapp.com

-----Original Message-----
From:=20 ml-errors@fatcity.com [mailto:ml-errors@fatcity.com] On Behalf Of=20 Jamadagni, Rajendra
Sent: Thursday, September 25, 2003 = 2:40=20 PM
To: Multiple recipients of list = ORACLE-L
Subject: RE:=20 Oracle Compress Option

Matt,
 
What is 802.3ad link aggregation ?? Any handy URLs ??=20 TIA
 
Raj
----------------------------------------------------------------= ----------------=20
Rajendra dot Jamadagni at = nospamespn dot=20 com
All Views expressed = in this=20 email are strictly personal.
QOTD:=20 Any clod can have facts, having an opinion is an art !
-----Original Message-----
From: Matthew Zito=20 [mailto:mzito@gridapp.com]
Sent: Thursday, September 25, = 2003 1:25=20 PM
To: Multiple recipients of list = ORACLE-L
Subject: RE:=20 Oracle Compress Option

 
On=20 our appliance, to get around the irritating load-balancing+failover = issue,=20 we're using 802.3ad link aggregation.  Trying to load-balance = Gigabit=20 is really an exercise in futility - almost all of = the performance=20 improvement comes from improved interrupt queuing (and even that is = already=20 mitigated on the card through coalescing interrupts).  The = real=20 benefit is the failover - that works very very = well.
 
Thanks,
Matt
= ------=_NextPart_000_0183_01C3836F.F4821480-- -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Matthew Zito INET: mzito@gridapp.com Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru@fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).