[OpenAFS] Strange AIX Problems

Sven Oehme oehmes@de.ibm.com
Tue, 25 Mar 2003 10:44:24 +0100


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hy Derrick ,

so this means turning of the memcache should solve the Problem ?

should i try to arrange an RS6K with Multiprozessors for Development and 
Testing with an Internet access ? would this help to solve the Problem ? 

i have 2 Multi Prozessor Systems and already Installed a complete 
development environment with IBM c++ for AIX ...


Sven





Derrick J Brashear <shadow@dementia.org>
Sent by: openafs-info-admin@openafs.org
03/25/2003 09:14 AM
 
        To:     OpenAFS-info@openafs.org
        cc: 
        Subject:        Re: [OpenAFS] Strange AIX Problems


On Tue, 25 Mar 2003, Hans-Werner Paulsen wrote:

> On Tue, Mar 25, 2003 at 08:33:17AM +0100, Sven Oehme wrote:
> > i have 4 AIX AFS Servers , that are completely freezing under small 
load 
> > once a day right now . they freeze so hard , that no dump is written , 

> > also pressing reset dosen't help .
> > i have no idea , if this is AFS Related or not , but has anybody seen 
this 
> > ? 
> Hello Sven,
> we had system hangs on AIX-4.3.3 with Transarc/IBM AFS and OpenAFS up to
> version 1.2.8. We saw this problem only on multi-processor machines when
> we used the memory cache.
> I reported this problem to "openafs-devel" on 17 Jul 2002, but there is
> no solution yet.

The OpenAFS test hardware consists of a single uniprocessor machine
running 4.3.3, so I'm not in any danger of being able to track this with
what's available. (Not that I have time right now anyway)

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<br><font size=2 face="sans-serif">hy Derrick ,</font>
<br>
<br><font size=2 face="sans-serif">so this means turning of the memcache
should solve the Problem ?</font>
<br>
<br><font size=2 face="sans-serif">should i try to arrange an RS6K with
Multiprozessors for Development and Testing with an Internet access ? would
this help to solve the Problem ? </font>
<br>
<br><font size=2 face="sans-serif">i have 2 Multi Prozessor Systems and
already Installed a complete development environment with IBM c++ for AIX
...</font>
<br>
<br>
<br><font size=2 face="sans-serif">Sven</font>
<br>
<br>
<br>
<br>
<table width=100%>
<tr valign=top>
<td>
<td><font size=1 face="sans-serif"><b>Derrick J Brashear &lt;shadow@dementia.org&gt;</b></font>
<br><font size=1 face="sans-serif">Sent by: openafs-info-admin@openafs.org</font>
<p><font size=1 face="sans-serif">03/25/2003 09:14 AM</font>
<td><font size=1 face="Arial">&nbsp; &nbsp; &nbsp; &nbsp; </font>
<br><font size=1 face="sans-serif">&nbsp; &nbsp; &nbsp; &nbsp; To:
&nbsp; &nbsp; &nbsp; &nbsp;OpenAFS-info@openafs.org</font>
<br><font size=1 face="sans-serif">&nbsp; &nbsp; &nbsp; &nbsp; cc:
&nbsp; &nbsp; &nbsp; &nbsp;</font>
<br><font size=1 face="sans-serif">&nbsp; &nbsp; &nbsp; &nbsp; Subject:
&nbsp; &nbsp; &nbsp; &nbsp;Re: [OpenAFS] Strange AIX Problems</font></table>
<br>
<br>
<br><font size=2><tt>On Tue, 25 Mar 2003, Hans-Werner Paulsen wrote:<br>
<br>
&gt; On Tue, Mar 25, 2003 at 08:33:17AM +0100, Sven Oehme wrote:<br>
&gt; &gt; i have 4 AIX AFS Servers , that are completely freezing under
small load <br>
&gt; &gt; once a day right now . they freeze so hard , that no dump is
written , <br>
&gt; &gt; also pressing reset dosen't help .<br>
&gt; &gt; i have no idea , if this is AFS Related or not , but has anybody
seen this <br>
&gt; &gt; ? <br>
&gt; Hello Sven,<br>
&gt; we had system hangs on AIX-4.3.3 with Transarc/IBM AFS and OpenAFS
up to<br>
&gt; version 1.2.8. We saw this problem only on multi-processor machines
when<br>
&gt; we used the memory cache.<br>
&gt; I reported this problem to &quot;openafs-devel&quot; on 17 Jul 2002,
but there is<br>
&gt; no solution yet.<br>
<br>
The OpenAFS test hardware consists of a single uniprocessor machine<br>
running 4.3.3, so I'm not in any danger of being able to track this with<br>
what's available. (Not that I have time right now anyway)<br>
<br>
_______________________________________________<br>
OpenAFS-info mailing list<br>
OpenAFS-info@openafs.org<br>
https://lists.openafs.org/mailman/listinfo/openafs-info<br>
</tt></font>
<br>
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