Hi folks,
I was told about a very mysterious behaviour of a NFS-system. But I could not
explain what's happening. So, maybe someone of this list is able?!
Well, there's a system running suse linux 7.2 with kernel 2.4.4 on a
nfs-server using software-raid for the exported directory. More than 60
clients (also suse 7.2 with 2.4.4) mount this export.
So the behaviour is the following:
I have one client and open four terminales.
In the first terminal (local) I do a mkdir foo in the mounted directory
In the second terminal (local) I do a ls in the mounted directory and I get an
I/O-error
In the third terminal (ssh on the nfs-server) I can see the created directory.
In the fourth terminal (ssh on another client) I can see the created directory
after about one or two seconds.
So, what's going on? Is there a misconfiguration? Are 60 clients too many??
thanks
Chris
--
Christoph Dohmen [email protected]
-------------------------------------------------------
Enterprise Linux Forum Conference & Expo, June 4-6, 2003, Santa Clara
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http://www.enterpriselinuxforum.com
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On Thursday 08 May 2003 10:17, Christoph Dohmen wrote:
> Hi folks,
>
> I was told about a very mysterious behaviour of a NFS-system. But I could
> not explain what's happening. So, maybe someone of this list is able?!
>
> Well, there's a system running suse linux 7.2 with kernel 2.4.4 on a
Have you ever been thought about upgrading your kernel ?
> nfs-server using software-raid for the exported directory. More than 60
> clients (also suse 7.2 with 2.4.4) mount this export.
Upgrade the clients as well.
> So the behaviour is the following:
> I have one client and open four terminales.
> In the first terminal (local) I do a mkdir foo in the mounted directory
> In the second terminal (local) I do a ls in the mounted directory and I get
> an I/O-error
> In the third terminal (ssh on the nfs-server) I can see the created
> directory. In the fourth terminal (ssh on another client) I can see the
> created directory after about one or two seconds.
>
> So, what's going on? Is there a misconfiguration? Are 60 clients too many??
>
2.4.4 is really old and many nfs- and other fs-fixes have been done since the
release of this kernel version. Furthermore I think everything below 2.4.8
can be considered as very buggy and shouldn't be used in a production
environment.
Bernd
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Am Donnerstag, 8. Mai 2003 10:56 schrieb Bernd Schubert:
> > Well, there's a system running suse linux 7.2 with kernel 2.4.4 on a
> Have you ever been thought about upgrading your kernel ?
Yes, we thought about it, but that would last long ...
> 2.4.4 is really old and many nfs- and other fs-fixes have been done since
> the release of this kernel version. Furthermore I think everything below
> 2.4.8 can be considered as very buggy and shouldn't be used in a production
> environment.
I know, that this is qite old software, but the behaviour did not start at
installation. It start e few weeks ago! Without any known changes.
Chris
--
Christoph Dohmen [email protected]
-------------------------------------------------------
Enterprise Linux Forum Conference & Expo, June 4-6, 2003, Santa Clara
The only event dedicated to issues related to Linux enterprise solutions
http://www.enterpriselinuxforum.com
_______________________________________________
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