[SunHELP] Sun Cluster questions

Darryl Brooks debrooks at sanology.com
Tue May 18 18:20:16 CDT 2004

Nadine -

I'm glad you are back in business.  And you are absolutely 
right..., it's not until they lose access to their 
applications will they hear your cries for maintenance.  
That's unfortunately the nature of application owners.

---- Original message ----
>Date: Tue, 18 May 2004 11:01:52 -0400
>From: Nadine Miller <vraptor at promessage.com>  
>Subject: Re: [SunHELP] Sun Cluster questions  
>To: The SunHELP List <sunhelp at sunhelp.org>
>Darryl Brooks wrote:
>> Nadine -
>> Did your /etc/path_to_inst file change?
>Nope.  I checked that after bringing it up into multi-
>user again with the -x flag.
>We ended up calling up Sun, and they recommended bringing
>node1 up in single-user with the clustering services still
>on.  This worked (I hadn't tried it fearing the hang that
>I got in multi-user with clustering on).
>In the process of trouble-shooting, something we did (in
>notes at office--an scconf command, iirc) seemed to tickle
>node0, and caused it to crash.  The support guy recommended 
>immediately that I ^d the node I was working on to bring
>it into multi-user mode (thinking, I guess that they would
>both have to re-negotiate).
>Both came up cluster aware.  They were still a little con-
>fused, so we ended up doing two scswitch commands to
>push the node master back and forth between the two
>machines.  They seem copacetic now.
>Unfortunately, /var on node0 did not have enough space to
>get a crash dump. :-/  But I have transferred explorer
>output.  We'll see if that's enough to get root cause.
>Both boxes need patching and the T3s they are connected
>to need FW updates.  If only the frigging clients would
>give me the breathing space to do my real job--
>infrastructure maintenance--instead of forcing me and
>my team to QA their crappy vendor-built software. :-(
>It's too bad we didn't have real downtime--at least
>that would have put the fear of the computer ghods
>into them.
>> ---- Original message ----
>>>Date: Mon, 17 May 2004 12:29:51 -0700
>>>From: "N. Miller" <vraptor at promessage.com>  
>>>Subject: [SunHELP] Sun Cluster questions  
>>>To: sunhelp at sunhelp.org
>>>Brief background:
>>>Had to take 1 node of a two node SC3.0 cluster down to
>>>replace an I/O board.  The node1 was removed using 
>>>before shutting down.  The cluster failed over to node0 
>>>Node1's hardware was repaired, and we attempted to bring 
>>>up to connect to the cluster, but instead it just sat and 
>>>spun it's wheels at:
>SunHELP maillist  -  SunHELP at sunhelp.org
Darryl Brooks BCSD
Storage Architect
SNIA Member

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