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IDS Forum

Re: Server Install Weirdness:

Posted By: Art Kagel
Date: Wednesday, 10 July 2013, at 3:42 p.m.

In Response To: Server Install Weirdness: (Ben Duncan)

Are you sure that there isn't already another device at the .100 address?

Art

Art S. Kagel
Advanced DataTools (www.advancedatatools.com)
Blog: http://informix-myview.blogspot.com/

Disclaimer: Please keep in mind that my own opinions are my own opinions
and do not reflect on my employer, Advanced DataTools, the IIUG, nor any
other organization with which I am associated either explicitly,
implicitly, or by inference. Neither do those opinions reflect those of
other individuals affiliated with any entity with which I am affiliated nor
those of the entities themselves.

On Wed, Jul 10, 2013 at 2:37 PM, Ben Duncan <linux4ms@aim.com> wrote:

> Ok, I will post this here since no at the State Of Mississippi ITS knows
> our
> ace
> id. Hopefully a Informix Engineer will pick up on it:
>
> Environment:
> zLinux Suse 11.2 on ZVM 5.4.
> Informix 11.7
> 8GB Ram allocated to zLinux , 1.5 TB Disk - 500GB DASD with 1TB Multipath
> to 8300 SAN.
>
> Synopsis: Install using IP address 10.242.254.100 fails.
> Always receives a 'shared memory not initialized for INFORMIXSERVER'
> randomly during install.
>
> Reproducible: YES
> Consistent: YES
>
> Details:
> Installing on zLinux Suse 11.2 using scripts that have been working for
> a year now, will receive a 'shared memory not initialized for
> INFORMIXSERVER'
> randomly during setup. buildmsi process and it's associated dbaccess task
> will hang and the sysmater, sysusers and other sys type files never
> complete
> building.
>
> Changing IP address to 10.242.254.101 or 10.242.254.99 will allow all
> task to complete successfully. Removing the and wiping the server at
> ip address 10.242.254.100 and CLONING one that has gone thru the build
> phase
> successfully (IP address 10.242.254.103) and changing the IP address to
> 10.242.254.100 and restarting the server results in 5 minute connection
> times
> and dbaccess returning 'shared memory not initialized for INFORMIXSERVER'.
> Changing IP address to 10.242.254.99 and all processes and connections
> works
> as they should. Failure is most noticeable using onspaces during attempts
> to
> setup dbspaces, new tempfs and llogdbs and plogdbs. Environment variables
> required for INFORMIX are there and are complete for users informix and
> root.
>
> Change IP address to 10.242.254.200 and server responds and acts as it
> should.
> NO OTHER SERVER or system is on the network at 10.242.254.100, all arp
> caches
> have been cleared prior to the testing.
>
> Final result:
> 10.242.254.100 results in repeated and consistent failure and
> issues of running Informix. Moving Server to different IP and the the
> server
> works, clone a working server and use IP 10.242.254.100 and it fails.
> Seems to be related somehow of the .100 of the IP address, as we
> have up and running around 30 servers that are in the 10.242.254.80 and
> less IP range, all built using the same scripts.
>
> Needless to say, this is a stumper. Looks like a bug inside Informix
> on the semaphore stuff.
>
> Ben Duncan - Business Network Solutions, Inc. 336 Elton Road Jackson MS,
> 39212
> "Never attribute to malice, that which can be adequately explained by
> stupidity"
>
> - Hanlon's Razor
>
>
>
> *******************************************************************************
> Forum Note: Use "Reply" to post a response in the discussion forum.
>
>

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