On 6/30/05, Dragan Cvetkovic <[EMAIL PROTECTED]> wrote: > On Thu, 30 Jun 2005, Alex Kiernan wrote: > > > On 6/30/05, Dragan Cvetkovic <[EMAIL PROTECTED]> wrote: > >> > >> To recapitulate and simplify a bit: I want to copy via NFS a large file > >> (Solaris Express b17 first iso, some 300MB). My NFS server is a x86 machine > >> running onnv16, my NFS client is a SPARC machine (SunBlade 100) running > >> Solaris 10 GA and up to date with patches. They are all on the local > >> network and e.g. ftp shows the transfer speed of some 8-9MB/s. However, if > >> I use cp to do the same, it goes extremelly slowly: 1 or 2MB per minute or > >> even less! > >> > > > Those symptoms immediately make me think duplex mismatch. > > I thought so as well, but the ftp transfer confuses me (sca is the NFS > client, lokrum is the NFS server): > > lokrum% ftp sca > Connected to sca. > 220 sca FTP server ready. > Name (sca:dragan): > 331 Password required for dragan. > Password: > 230 User dragan logged in. > Remote system type is UNIX. > Using binary mode to transfer files. > ftp> cd /var/tmp > 250 CWD command successful. > ftp> bin > 200 Type set to I. > ftp> put sol-nv-b17-x86-v3-iso.zip > 200 PORT command successful. > 150 Opening BINARY mode data connection for sol-nv-b17-x86-v3-iso.zip. > 226 Transfer complete. > local: sol-nv-b17-x86-v3-iso.zip remote: sol-nv-b17-x86-v3-iso.zip > 615586788 bytes sent in 60 seconds (10051.06 Kbytes/s) > ftp> quit > > So, it's almost 10MB/s for the ftp between the same two machines. How can > I check "duplex mismatch"? > > Bye, Dragan >
kstat -n <interface-name> at each end would where I'd start, but I think whether you get meaningful duplex from it depends on what your NICs actually are. >From memory late collisions are another good indicator. -- Alex Kiernan _______________________________________________ opensolaris-discuss mailing list opensolaris-discuss@opensolaris.org
