Hi Miles Nordin wrote: >>>>>> "r" == Ross <[EMAIL PROTECTED]> writes: > > r> figures so close to 10MB/s. All three servers are running > r> full duplex gigabit though > > there is one tricky way 100Mbit/s could still bite you, but it's > probably not happening to you. It mostly affects home users with > unmanaged switches: > > http://www.smallnetbuilder.com/content/view/30212/54/ > http://virtualthreads.blogspot.com/2006/02/beware-ethernet-flow-control.html > > because the big switch vendors all use pause frames safely: > > http://www.networkworld.com/netresources/0913flow2.html -- pause frames as > interpreted by netgear are harmful
That rings a bell, Ross, are you using NFS via UDP or TCP? May it be that your network has different performance levels for different transport types? For our network we have disabled pause frames completey and rely only on TCP internal mechanisms to prevent flooding/blocking. Carsten PS: the job where 25k files sizing up to 800 GB is now done - zfs send took only 52 hrs and the speed was ~ 4.5 MB/s :( _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
