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No load source found when intalling AIX 6.1

Posted on 2010-08-23
Medium Priority
Last Modified: 2013-11-17
attempting to install AIX 6.1 on Power550 server. Configuration 4 x5.0Ghz  cpu,  8GB  RAM ( 2 - 2x2GB  installed one pair one each CPU book ) ,
pci-e slot 1  -  feature  5767    2 port 10/ 100/1000 Ethernet,  
pci-e slot 2  -  feature  5773     4GB fibre
pci-e  slot 3  -  feature  5773    4GB fibre
pci-x  slot 4  -  feature  5912    Dual x4 3GB  SAS
pci-x  slot 5  -  feature  5706    Dual  10/100/1000 ethernet

Feature code  8308   DASD/Media backplane
2 -  3648-  300GB 15K  SAS drives  ( one in D3, one in position D6 )

everything appears to be functioning properly BUT the drives never show up as a possible load source destination.

Any asvice would be appreciated.

Question by:RNH4
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LVL 68

Expert Comment

ID: 33503747

please check your sever's microcode level - should be 3.1.0 ( = EM310_048 or higher).

Is this a standalone system, or is it partitioned?
If partitioned - is the SAS adapter attached to the partition in question?

LVL 68

Expert Comment

ID: 33504489
Some remarks -

- there is no "load source" with AIX. This is a term exclusive to IBM i5/OS.
- So you don't need a "load source destination" either.
- The slots housing the disks are of no importance.
- Just boot from the OS DVD 1. Your disks should show up as hidsk0 and hdisk1 later in the course of installation setup.
- Select one of them (or both if you wish) as installation target disks and go!


Author Comment

ID: 33504987
downloaded firmware 350-071 as an .iso file. Can this be used to upgrade and what are the procedures ?
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LVL 68

Expert Comment

ID: 33506430
Burn the .iso image onto a CD.

If it's an unmanaged system (no HMC, no partitions) proceed as outlined in chapter 4.5 of this document:

As a boot medium you will need the "Diagnostic CD" that came with your hardware.

If you do have an HMC, follow the steps in chapter 3.4 of the above document.


Author Comment

ID: 33512617
Mike, I successfully upgraded the firmware to the latest EL350_071 but the disk still does not show up in the system config.
I realize "load source destination" is an iSeries term but it relates just the same no matter what terminology is used.
I am unable to load AIX 6.1 to a 300GB drive. It does not matter the placement of the disk as I have tried it in all 6 positions.
I actually loaded a 73GB drive with AIX 6.1 to use a command line interface to upgrade the system firmware so I know the 8308 backplane is functional since the DVD-ROM and the 73GB drive interacted.
I verified the firmware upgrade as successful.
Any other possibilities.

Author Comment

ID: 33513813
upgrading the firmware on a 8203-E4A to EL350_071 enabled me to see the 300GB SAS drives as "pdisks".  They show up as 283GB pdisks.
Can I load AIX to the drive or do I need to reformat it or change the drive status?

LVL 68

Accepted Solution

woolmilkporc earned 500 total points
ID: 33514349
If the disks show up as pdisks they seem to be formatted as array candidates with a sector size of 528 bytes. Have they been in use in an array some time?

You will have to use the SAS Disk Array manger to reformat them as native hdisks with 512 byte sectors.

If there is an AIX OS running you can use "smitty sas_chg_pdisk_submenu" -> "Delete an Array Candidate pdisk and Format to 512 Byte Sectors"

If there is no OS you must boot from the Diagnostic CD, which contains the SAS Disk Array Manager.

Here is some info:


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