SUMMARY Sun trunk performance

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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