RE: NFS slow
Jan Catrysse wrote: Hello all, I am having some problems with NFS and slow performance. This is the scenario: 2x FreeBSD 7.1. (Raid storage server, MP, the works) GB Lan interface between them. When I transfer 1 big file the speed is never higher than 10MB/s with a peak to 14MB/s. When I transfer multiple files at the same time speed is about 10MB/s per thread. Disk speed 100MB/s Network speed using samba 60MB/s (limited by clients disk speed) Tried enabling NFSlockd, NFSstatd but that changes nothing. Any help or hunch would be greatly appreciated. Here are some ideas for testing: * Any firewall in between them? Do you have network errors? * Any other network problems, like DNS lookup failures? (not that it should matter for sustained tranfers but still...) * Are you using TCP or UDP for NFS? TCP should be better in all cases. * Have you monitored the system with top? Try hitting S and H in top while transfering files, see if anything looks suspicious. * Run iostat 1, check tps and KB/t. * What file system are you using? Hello Ivoras, NFS TCP did the trick. I tried it already but I didn't properly dismount the volumes before remounting them on TCP. I did a mount -u -a instead. Using netstat it became clear NFS was still using UDP. A umount and mount -a did the trick! Thnx! Jan ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
NFS slow
Hello all, I am having some problems with NFS and slow performance. This is the scenario: 2x FreeBSD 7.1. (Raid storage server, MP, the works) GB Lan interface between them. When I transfer 1 big file the speed is never higher than 10MB/s with a peak to 14MB/s. When I transfer multiple files at the same time speed is about 10MB/s per thread. Disk speed 100MB/s Network speed using samba 60MB/s (limited by clients disk speed) Tried enabling NFSlockd, NFSstatd but that changes nothing. Any help or hunch would be greatly appreciated. Jan ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to freebsd-questions-unsubscr...@freebsd.org
Re: NFS slow
Jan Catrysse wrote: Hello all, I am having some problems with NFS and slow performance. This is the scenario: 2x FreeBSD 7.1. (Raid storage server, MP, the works) GB Lan interface between them. When I transfer 1 big file the speed is never higher than 10MB/s with a peak to 14MB/s. When I transfer multiple files at the same time speed is about 10MB/s per thread. Disk speed 100MB/s Network speed using samba 60MB/s (limited by clients disk speed) Tried enabling NFSlockd, NFSstatd but that changes nothing. Any help or hunch would be greatly appreciated. Here are some ideas for testing: * Any firewall in between them? Do you have network errors? * Any other network problems, like DNS lookup failures? (not that it should matter for sustained tranfers but still...) * Are you using TCP or UDP for NFS? TCP should be better in all cases. * Have you monitored the system with top? Try hitting S and H in top while transfering files, see if anything looks suspicious. * Run iostat 1, check tps and KB/t. * What file system are you using? signature.asc Description: OpenPGP digital signature