Date: Wed, 14 Oct 1998 22:27:35 -0400 (EDT) From: Brian Feldman <green@zone.syracuse.NET> To: Greg Lehey <grog@lemis.com> Cc: Julian Elischer <julian@whistle.com>, Mike Smith <mike@smith.net.au>, "Alex G. Bulushev" <bag@sinbin.demos.su>, Daniel Rock <rock@cs.uni-sb.de>, current@FreeBSD.ORG Subject: Re: -current NFS problem Message-ID: <Pine.BSF.4.05.9810142224240.20984-100000@zone.syracuse.NET> In-Reply-To: <19981015115155.O586@freebie.lemis.com>
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I've done some NFS experimentation on my box, and basically, I try to test
a lot of the new technologies (and older) in FreeBSD. Some of the less
successful combos I've tried were:
mount_union anything
NFS mounting and beating on the FS
floppies with softupdates
2 vnode pan60's on 2 SoftUpdates partitions, CCD'd, and made ino a
new fs, beat on
etc.
And beating on as defined something like:
#!/bin/sh
i=0
while [ $i -le 100 ]; do
mkdir $i
cd $i
i=`expr $i + 1`
p=0
while [ $p -le 100 ]; do
date > a$p
p=`expr $p + 1`
done
done
But I fear these are just the wild experiments of a 15-year-old :-)
Brian Feldman
On Thu, 15 Oct 1998, Greg Lehey wrote:
> On Wednesday, 14 October 1998 at 22:16:21 -0400, Brian Feldman wrote:
> > On Thu, 15 Oct 1998, Greg Lehey wrote:
> >
> >> On Wednesday, 14 October 1998 at 10:28:14 -0700, Julian Elischer wrote:
> >>> On Wed, 14 Oct 1998, Mike Smith wrote:
> >>>>> Perhaps this could be the problem with NFS "hanging" certain people all
> >>>>> the time? (not the pine thing) The system spending way too much time
> >>>>> inside the kernel transmitting NFS packets....
> >>>>
> >>>> No. Lack of ACCESS caching makes us slow and eats the network (because
> >>>> we are very good at generating/sending/receiving them).
> >>>>
> >>>> If there's someone out there that wants to work with the very best NFS
> >>>> people in the business to sort out our problems, please let me know.
> >>>> NetApp are keen to see our issues resolved (it will mean less angst
> >>>> for them in the long run, as they have many FreeBSD-using customers).
> >>>>
> >>>> Right now, we are accumulating a bad NFS reputation. 8(
> >>>
> >>> I thought kirk was doing that....
> >>
> >> I hope not.
> >
> > Well, according to Jordan's "non-verification" to my alluding that since
> > Dr. McKusick was committing NFS deltas, he was the mysterious contracted
> > NFS fixer-upper.
>
> Yes, I think you're probably right, though I don't know why nobody has
> confirmed or denied it. My comment related to Julian's undirected
> comment, and wasn't intended seriously.
>
> > Last time I checked, he didn't really do his entire job if that was
> > to totally fix NFS.... but hey, I don't use NFS much if ever, so I
> > won't Complain...
>
> I use NFS. I'd really like to see it fixed.
>
> Greg
> --
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