Shoot me an email if you would like to see how I configure my Cisco switches. Let us know how the testing works out! Liam On Jan 6, 2010, at 3:36 AM, Adrian Revill <adrian.revill at shazamteam.com> wrote: > Hi Liam, > Yes that is a good point, i will have to check for that, as I will > be moving from 3com to Cisco 5500g > So far I only have 2 elderly test servers, using netperf i have > measured 1600Bbits/s which seems to be CPU limited. I will look at > the double brick idea as it sounds a good work arround. > > Liam Slusser wrote: >> I use balance mode0 on my gluster servers - but it doesnt exactly >> work >> as you would expect it too. We run Cisco 4948g switches (48 port >> gigabit) and our gluster servers have two gigabit links bounded >> together using mode0. Balance mode0 does a great job of balancing >> outbound traffic however the Cisco's always routes each single >> INBOUND >> tcp connection traffic down a single trunk. So the only way to >> really >> gain an advantage is to use multiple tcp connections between the many >> hosts - or in the case of gluster using multiple bricks per server >> striped together. >> >> liam >> >> On Tue, Jan 5, 2010 at 7:20 AM, Adrian Revill >> <adrian.revill at shazamteam.com> wrote: >> >>> Hi >>> >>> I am looking at which is the best bonding mode for giagbit links >>> for the >>> servers. I have a choice of using the 802.3ad (mode4) or bonding- >>> rr (mode0) >>> I would prefer to use mode4 but this will only give a single TCP >>> connection >>> 1Gbit of bandwidth, where mode0 will give multi Gbit of band width >>> to a >>> single TCP connection. >>> >>> My question is, If i have 4 mirrored servers. when a AFR >>> replicates data >>> between servers, does it run multiple TCP connections concurrently >>> to copy >>> the data to all 4 servers at once, or does it do each server in >>> turn. >>> >>> ______________________________________________________________________ >>> This email has been scanned by the MessageLabs Email Security >>> System. >>> For more information please visit http://www.messagelabs.com/email >>> ______________________________________________________________________ >>> _______________________________________________ >>> Gluster-users mailing list >>> Gluster-users at gluster.org >>> http://gluster.org/cgi-bin/mailman/listinfo/gluster-users >>> >>> >> >> ______________________________________________________________________ >> This email has been scanned by the MessageLabs Email Security System. >> For more information please visit http://www.messagelabs.com/email >> ______________________________________________________________________ >> > > ______________________________________________________________________ > This email has been scanned by the MessageLabs Email Security System. > For more information please visit http://www.messagelabs.com/email > ______________________________________________________________________
