Subject: Re: [HACKERS] PostgreSQL, NetBSD and NFS
To: Justin Clift <>
From: Byron Servies <>
List: current-users
Date: 02/05/2003 09:24:09
On February 06, 2003 at 03:50, Justin Clift wrote:
> Tom Lane wrote:
> <snip>
> >Hoo boy.  I was already suspecting data corruption in the index, and
> >this looks like more of the same.  My thoughts are definitely straying
> >in the direction of "the NFS server is dropping bits, somehow".
> >
> >Both this and the (admittedly unproven) bt_moveright loop suggest
> >corrupted values in the cross-page links that exist at the very end of
> >each btree index page.  I wonder if it is possible that, every so often,
> >you are losing just the last few bytes of an NFS transfer?
> Hmmm... does anyone remember the name of that NFS testing tool the 
> FreeBSD guys were using?  Think it came from Apple.  They used it to 
> find and isolate bugs in the FreeBSD code a while ago.
> Sounds like it might be useful here.
> :-)

fsx.  See also <>