[KLUG Members] Two questions.

Adam Williams members@kalamazoolinux.org
Tue, 11 Dec 2001 17:23:38 -0500 (EST)


>The first is dumb: 
>1.  in /etc/fstab, the # sign denotes a comment, right?

Yes

>2.  Does anyone know of any hard evidence (I've found some heresay and
>conjecture, those are kinds of evidence) that linux boxes read and write slowly to
>NFS mounts exported from BSD machines.  I've got a few linux machines
>writing to an OpenBSD server, exporting it's RAID to those servers. Writes and
>reads to the NFS drive are slow. Far slower than they should be.  The network
>environment is switched 100Mbit, so we should get at least 6 MB/sec, right? 
>Heck, I can get 8 or 9 on my hub using SAMBA, for goodness' sakes.  Anyway, we
>are languishing around 2 MB/sec on some, whereas on others, we have bumped it
>up a bit.  So far, the best block size is 8192 bytes.  standard on our boxes
>I'm flabbergasted.  I thought we would get better performance from this, and
>we are not.  Has anyone else had this problem?  Should I just throw in some
>more network speed?  It's quite a price tag for more speed...

What are the settings of rsize and wsize.  Set these to 8192
Are you using nfs version 2 or 3?  Three is faster (nfsvers=3).

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Ximian GNOME, Evolution, LTSP, and RedHat Linux + LVM & XFS
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