Re: F12 NFS Failures

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On Sat, 2009-11-21 at 11:11 -0700, Greg Woods wrote:
> On Sat, 2009-11-21 at 10:09 +0000, John Austin wrote:
> 
> > 
> > When copying a large file (2.7GB) from the server to the
> > F12 m/c a complete freeze of the F12 machine occurs.
> 
> 
> I haven't seen freezes, but I have seen corruption when trying to copy
> large files (e.g. like a DVD iso image) via NFS. In fact, this happened
> to me when I was trying to install an F12 virtual machine on my F11 box
> (so I could try it out before deciding whether or not to bite the bullet
> and upgrade the host OS). I copied over the DVD iso image, then tried to
> install a VM from it, and it failed the media test. Sure enough, it also
> failed the sha256sum test. Copying the same DVD iso file via scp instead
> worked fine. I do not trust NFS for large files.
> 
> --Greg
> 
> 

Hi Greg

That's interesting and very worrying - surely it can't/shouldn't happen!

I have been using NFS for years for all types/sizes of files and
never had a problem until the last couple of months.

1.  The Centos/RHEL 5.3/5.4 kernel had a serious bug that has been fixed with the
	latest kernel update

2.  Now this F12 problem

Surely a very large worldwide community uses NFS ?

OK the F12 case could be my finger trouble or even a hardware problem

I will install F12 on a second machine and test again (against the same server)

Regards

John

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