From: Vic Engle (sunmanager@nc.rr.com)
Date: Fri Aug 09 2002 - 13:12:01 EDT
Thanks to Sean Broderick for the solution. I changed the trunk policy
from mac address to round robin and everything worked perfectly.
Thanks again,
Vic
Broderick, Sean wrote:
>Vic,
>
>Change your "policy" from 1 (mac address) to 2 (round robin) on your nettr
>configuration (assuming multiple data streams are being sent from the E450
>to the backup server).
>
>see "man nettr" for further details
>
>Regards
>Sean
>
>
>
>-----Original Message-----
>From: Vic Engle [mailto:sunmanager@nc.rr.com]
>Sent: 09 August 2002 12:50
>To: sunmanagers; ENGLE005
>Subject: Sun trunk performance
>
>
>Hello All,
>
>I have an E450 with 4 cpu's and a qfe with Sun trunking software
>installed. The dba's tried to improve backup time by sending 4 data
>streams during a backup. I configured the backup server to write one
>stream per tapedrive. The backups began and I saw that the backup was
>indeed writing to 4 tape drives but at only at about 2MB/sec each. I
>collected stats from the trunk using nettr and they are at the bottom of
>this email. Basically it looks as though only one interface is used for
>outbound packets even though the backup server has a GigE nic and could
>handle everything the quad could send. Also, I looked at the switch and
>the ports are channeled and are showing no errors with 100 full
>connections on all 4 ports.
>
>Any ideas?
>
>Thanks,
>Vic Engle
>Duke Clinical Research
>
>Aug 8 14:27:31 2002
>
>Name Ipkts Ierrs Opkts Oerrs Collis Crc %Ipkts
>%Opkts
>
>qfe4 42 0 13 0 0 0 0.11
>0.02
>qfe5 16 0 81401 0 0 0 0.04
>99.98
>qfe6 39815 0 0 0 0 0 99.81
>0.00
>qfe7 17 0 0 0 0 0 0.04
>0.00
>
>(Aggregate Throughput(Mb/sec): 95.71(New Peak) 95.72(Past Peak)
>100.00%(New/Past))
>
>
>Aug 8 14:27:41 2002
>
>Name Ipkts Ierrs Opkts Oerrs Collis Crc %Ipkts
>%Opkts
>
>qfe4 31 0 0 0 0 0 0.08
>0.00
>qfe5 15 0 81377 0 0 0 0.04
>100.00
>qfe6 39823 0 0 0 0 0 99.84
>0.00
>qfe7 19 0 0 0 0 0 0.05
>0.00
>
>(Aggregate Throughput(Mb/sec): 95.69(New Peak) 95.72(Past Peak)
>99.97%(New/Past))
>
>
>Aug 8 14:27:51 2002
>
>Name Ipkts Ierrs Opkts Oerrs Collis Crc %Ipkts
>%Opkts
>
>qfe4 44 0 0 0 0 0 0.11
>0.00
>qfe5 29 0 81408 0 0 0 0.07
>100.00
>qfe6 39820 0 0 0 0 0 99.77
>0.00
>qfe7 17 0 0 0 0 0 0.04
>0.00
>
>(Aggregate Throughput(Mb/sec): 95.73(New Peak) 95.73(Past Peak)
>100.00%(New/Past))
>
>
>Aug 8 14:28:01 2002
>
>Name Ipkts Ierrs Opkts Oerrs Collis Crc %Ipkts
>%Opkts
>
>qfe4 41 0 13 0 0 0 0.10
>0.02
>qfe5 21 0 81400 0 0 0 0.05
>99.98
>qfe6 39820 0 0 0 0 0 99.80
>0.00
>qfe7 18 0 0 0 0 0 0.05
>0.00
>
>marble{root}# nettr -conf
>
>Name Head Policy DEV Type Original-Mac-Addr
>
>qfe4 qfe4 1 qfe-pci 8:0:20:b5:15:ec
>qfe5 qfe4 qfe-pci 8:0:20:b5:15:ed
>qfe6 qfe4 qfe-pci 8:0:20:b5:15:ee
>qfe7 qfe4 qfe-pci 8:0:20:b5:15:ef
>
>marble{root}# nettr -debug
>
>Name Head Policy Link Speed Duplex Xcvr ipg0 ipg1 ipg2 adv
>our lp
>
>qfe4 qfe4 1 Up 100 Full Intl 16 8 4 b
>b 8
>qfe5 qfe4 Up 100 Full Intl 16 8 4 b
>b 8
>qfe6 qfe4 Up 100 Full Intl 16 8 4 b
>b 8
>qfe7 qfe4 Up 100 Full Intl 16 8 4 b
>b 8
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