Re: AIX 5.1, Maintenances level 6

From: Hajo Ehlers (service_at_metamodul.com)
Date: 11/16/05 

Date: 16 Nov 2005 02:18:11 -0800

Vahid Moghaddasi wrote:
> Hi all,
> We are in a deadlock with IBM support tier 3 and would like to know if
> anyone has experienced this problem.
> We were told by EMC to apply Maintenances level 6 to our AIX 5.1 to be
> able to see some new storage devices so we downloaded the file
> 510006.vl.tar.gz and applied.
> The system is never the same after that. Ater a reboot, it hangs until
> we flip the switch. Apparently the patch did something to TCP/IP stack
> so the networking does not come up the way it supposed to. To get the
> system up, we had to comment out many lines in inittab including nfs
> and nis so it wont try to bind to nis and run each script one by one.
> This problem has been going on for over a month and IBM does not have
> any solution.
> Any help is appreciated, thanks

1) If you just applied the ML you might be able to revoke the update
.If its commited ...
2) Get the full ML06 update from AIX5.1ML0 -> AIX5.1ML06 meaning also
to download both ML files.
3) Use pure ftp or wget to download the files and check that the file
are not internaly corrupted. Do not use M$ iExplorer
4) Follow the instructions to unpack the files.
5) backup your system
6) reapply the update with the force option
&) Do not forget to reboot
7) Hopefully be happy ;-)

IMPORTANT:
Before applying any ML :
If your are not booting from the SAN remove the emcpower entry in the
/etc/initab because that entry is fiddeling with the /dev/ipldevice and
is only needed if you going to boot from the SAN afaik. At least i have
removed that entry in our environment.
Verify that the /dev/ipldevice has the correct link count meaning it is
hardlinkled to your bootdevice.
You will get in serious trouble if the /dev/ipldevice does not exist or
is linked to the wrong location and we had serious problems with that.
Also check if yu are using ALT_DISK , not that you have applied the
update and then just booted from the wrong device !

hth
Hajo
uning AIX 5.1 ML06 with EMC CX600 without any problems

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