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Unread postPosted: Wed Jun 20, 2007 1:59 am 
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Joined: Wed Jun 20, 2007 1:26 am
Posts: 4
Hi,

I am new to the AIX environment and am having this major problem,

The system keeps restarting automatically and every time the IBM logo appears an error number with the yellow triangular caution sign (21a00001) and then the system restart again.

I’ve run the stand alone diagnostic CD/disk and I choose to run all the “Diagnostic Routines” even the advance diagnostic routines and I got the following results:

4252b: Use the service guide for your SSA adapter or SSA subsystem.
SSA-Subsystem P1-I2/Q1

721-105: The drive cannot be started
Hdisk0 (some physical address) FRU: unknown
Other SCSI disk drive

4252b: Use the service guide for your SSA adapter or SSA subsystem.
SSA-Subsystem P1-I3/Q1

D8000:
Enclousure0 (some physical address)

803-80c: A software error was encounted while running the diagnostic application on enclousure0

D0300:
Pdisk3
-----------------------------------

Any idea how solve the booting problem, I've looked at the SRN list...but didn't get much of it.
Help plz


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Unread postPosted: Thu Jun 21, 2007 12:12 am 
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Joined: Tue Aug 23, 2005 1:06 am
Posts: 298
Location: Leerdam, Holland, formerly Rotterdam, Holland
Not that i'm that much of an AIX wizard, but it sounds like it tries to boot from an external SSA disk cabinet which isn't there (or has a problem), or some part in the route is defective (disk? controller?)

So far i've found people with that error code that had a bad disk, or had to setup a disk array on their RAID controller, even someone who claims his problem went away when he changed the keyboard.

"21A00xxx SCSI DASD device errors
Notes:
1. Before replacing any system
components, ensure that the:
a. Controller and each device on
the SCSI bus is assigned a
unique SCSI ID.
b. SCSI bus is properly terminated.
c. SCSI signal and power cables
are securely connected and not
damaged.
2. The location code information is
required to identify the ID of SCSI
device failures, as well as to indicate
the location of the controller to
which the device is attached.
3. Check below for the xxx value. The
xxx can stand for anything like 001,
002, 003 and so on. Ensure that all
components associated with the
suspected SCSI device are
thoroughly checked.

21A00001 Test Unit Ready Failed - hardware error. Refer to the notes
in error code
21A00xxx.
1. Replace the SCSI device.
2. Replace the SCSI cable.
3. Replace the SCSI controller."

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Unread postPosted: Sat Jun 23, 2007 4:28 am 
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Joined: Wed Jun 20, 2007 1:26 am
Posts: 4
Thank you UrbanHero for this info,

What is did is i've re-install the AIX from zero. However, i notice that I can't install it on hdisk, so i chose hdisk 1 and it went fine.

so currently it is up and running with no problem :lol:

Now the big step is how to join this node to the cluster (hacmp)
will be a good friend if you tell me how :mrgreen:


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Unread postPosted: Thu Jun 28, 2007 1:26 am 
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Joined: Sun Jan 22, 2006 11:51 pm
Posts: 91
Location: Vantaa, Finland
turki_00 wrote:
Now the big step is how to join this node to the cluster (hacmp) will be a good friend if you tell me how :mrgreen:


Anyone else interested? I'm a certified HACMP administrator :oops: . Basically, HACMP is a piece of shit, but if you really want to try it I might write some docs about it....

Basically, install HACMP and then run "smitty hacmp" to configure it. Configuration is.. hmmm... interesting, and the result is most likely a non-working cluster, but at least you'll have fun :mrgreen: .


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Unread postPosted: Thu Jun 28, 2007 12:29 pm 
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Joined: Wed Jun 20, 2007 1:26 am
Posts: 4
holviala,

thank you for the offering,

am totally new to this and yes i need some documents/guides to run the HACMP.

Let's start,
how can i install it ? i got the CDs


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Unread postPosted: Sun Jul 01, 2007 12:40 am 
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Joined: Wed Jun 20, 2007 1:26 am
Posts: 4
Gentlemen,

We got more than 195 viewers for this post and no one can share any idea !!!!

I thought am asking about the basics ! :roll:

Any contribution will be helpful.


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Unread postPosted: Mon Jul 02, 2007 6:08 am 
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Joined: Tue Aug 23, 2005 1:06 am
Posts: 298
Location: Leerdam, Holland, formerly Rotterdam, Holland
HACMP is next on my course list, i don't have any experience with it yet...

_________________
-= I reject reality, and substitute my own =-

1 Indigo R3k-33 32MB XS24-Z;
1 Indy R5k-180 256MB XZ;
1 Indy R4k-175 64MB XL;
2 Indigo2 R10k-195 512MB MaxImpact;
2 Indigo2 R4k-200 256MB (XL+Extreme);
2 Octane Dual R12K-300 1024MB (MXI+V6).


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