Unexpected NFS performance issues
Hello there!
Just to quickly introduce myself as I registered just yesterday: I've been working and coding on SGI systems during the 90s while being a CompSci student. During that time I bought my first (refurbished) workstation in 1996. It was an R4k Elan Indigo and ..err.. kind of expensive. But having it at home was mind blowing. It wasn't the only system I bought throughout the years.
Anyways, after some 15 years of keeping them in the basement I started dusting them of and checking on them. So here's my problem. I started with an Octane running IRIX 6.5.22. I booted it via tftp to reset the root-pw. The tftp-server was a raspi and it worked out perfectly.
Since I couldn't use my external SCSI CDROM I mounted CD (efs) images and exported them via nfs on Linux (ubuntu) from said raspi. That way I wanted to install Performer and Octane Demos.
I feel like I'm missing something basic, something I forgot but starting "inst" selecting packages and starting installation was blazingly fast for a minute and 30% of the CD. Then it would slow down and take several hours(!!) to complete.
The NFS server is idle and the export is available on other (linux/mac) computers as fast as expected.
On IRIX it's almost blocked. Before starting an installation, I could access the mountpoint from different terminals and it responded fast, but once it stated "shutting down" it wasn't responsive on any terminal anymore.
So, wtf? What am I missing? It's NFSv3 UDP. I'm asking, because I hope I'm not the first one having that problem.
thanks and cheers,
elmy
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elmy
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06-06-2020, 06:55 PM |