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HMC Migration from 4.3 to 6

Discuss HMC Migration from 4.3 to 6 on the 'Hardware Management Console' forum of pSeriesTech.org. Talk about HMC Migration from 4.3 to 6 with the IBM pSeries Technical Support Community.

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  #1  
Old June 6th, 2007
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HMC Migration from 4.3 to 6
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We have an old HMC in version 4.3.1 and i wnat to migrate it in 6.1.2
But.... The recovery DVD said to me "this version connot be upgraded to 6.2.1 version"

I want to know which 5.x version is the most stable because i think i have to migrate in 5.x before.

thank you.
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  #2  
Old June 6th, 2007
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Re: HMC Migration from 4.3 to 6
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What you need to do is to make the HMC backup to the DVD-RAM not the hard disk and then do a fresh install. Near the end of the install you can restore the backedup data from the DVD-RAM.

To be safe however, make sure you know what all your server HMC passwords are.
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  #3  
Old June 22nd, 2007
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Re: HMC Migration from 4.3 to 6
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I had problems going from 4 directly to 6. I had to go from 4 to 5 and then from 5 to 6.
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  #4  
Old June 25th, 2007
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Re: HMC Migration from 4.3 to 6
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Quote:
Originally Posted by ross.mather
What you need to do is to make the HMC backup to the DVD-RAM not the hard disk and then do a fresh install. Near the end of the install you can restore the backedup data from the DVD-RAM.

To be safe however, make sure you know what all your server HMC passwords are.
Would this method also work if you wanted to clone an HMC?
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  #5  
Old June 26th, 2007
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Re: HMC Migration from 4.3 to 6
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No, you wouldn't want to do that as all the TCP/IP information is saved in the upgrade data so you would have dual IP addresses on the network.
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That said anything I say here is my own opinion and not anything that you can ever hold against IBM.
Ohhh and don't forget that I make mistakes too....
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Old June 26th, 2007
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Re: HMC Migration from 4.3 to 6
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Quote:
Originally Posted by ross.mather
No, you wouldn't want to do that as all the TCP/IP information is saved in the upgrade data so you would have dual IP addresses on the network.
Couldn't I just go change the TCP/IP information once the machine has been restored?
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  #7  
Old June 26th, 2007
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Re: HMC Migration from 4.3 to 6
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Only oif you turn the other HMC off or else you'll have two with the same IP address on the network.

This is not a supported configuration and if it doesn't work don't expect IBM toi help you.

Why not just discover the machines and enter the passwords for them one time?
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That said anything I say here is my own opinion and not anything that you can ever hold against IBM.
Ohhh and don't forget that I make mistakes too....
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Old June 26th, 2007
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Re: HMC Migration from 4.3 to 6
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The HMC's will be on 2 different networks.

We are moving all our equipment from one datacenter to another. Half of our pseries are in one of the datacenters and the other half is in the other. We wanted to clone the existing HMC and set it up to work in the new datacenter.
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