We are using GigE nics as well but our settings (E4500 running Solaris 2.6)
are    1000fdx on (1)  and   1000hdx and autoneg_cap off (0) .
 
 
 
 
 -----Original Message-----
From: Richardson, Robert [mailto:RRichardson AT activision DOT com]
Sent: Wednesday, July 10, 2002 5:51 PM
To: 'Brian Chase'
Cc: 'veritas-bu AT mailman.eng.auburn DOT edu'
Subject: RE: [Veritas-bu] Backup Performance Issues



The data is being backed up to a SpectraLogic 64K 
tape library.  There are 8 AIT tape drives. 
The data is on Volume Manager controlled disks on 
the Hitachi SAN.  Networking is via fibre thru a 
Brocade switch.  The client server has a 1Gig Fast 
Ethernet card with its ndd settings at 1000fdx, 1000hdx, 
and autoneg_cap all on (1). 
All of the machines have this same settings. 
All other machines in the environment do not have 
this problem of long backups. 


Thanks, 
Robert Richardson 

-----Original Message----- 
From: Brian Chase [ mailto:vaxzilla AT jarai DOT org <mailto:vaxzilla AT jarai 
DOT org> ] 
Sent: Wednesday, July 10, 2002 2:37 PM 
To: Richardson, Robert 
Cc: 'veritas-bu AT mailman.eng.auburn DOT edu' 
Subject: Re: [Veritas-bu] Backup Performance Issues 


To what are you backing up the data?  Basically, what type of tape 
drives, how many, and through what type of connection--i.e. over the 
SAN, 1GB/s ethernet, 100MB/s ethernet?  It looks like you've got some 
sort of major bottleneck--I'd be willing to bet it's not being caused by 
NetBackup. 

-brian.