Sure this works. As mentioned in another thread today having multiple hosts for the same guest works (though that may not even be needed in your case.) You can also have a mixture of real and hosted disk in the same LPAR. Sue may now smack me because I suspect this is not 'optimal' but it does work. I have used a similar process to migrate a customer from physical disk to hosted disk on the same machine. In other words 'virtualizing the LPAR' without a save/restore.

As you suggest the Load Source is the hardest and it's the only reason you need an outage.

- Larry "DrFranken" Bolhuis - Personal Development IBM i timeshare service. - Commercial IBM i Cloud Hosting.

On 12/21/2015 4:06 PM, Steinmetz, Paul wrote:

I've thought of another use for virtual disks, curious if anyone has done this.
You need to swap out your current disks with larger ones, but no available disk slots for the new disks.
Restoring the system is not an option, too much down time.

Create some virtual disks on another LPAR, move the data using STRASPBAL.
You could then remove some of your disks, add new larger ones.
Move both remaining data and data from previous virtuals disks using STRASPBAL.
Remove remaining disks, add new larger ones.

Save load source for last, SST copy load source utility booting to DST.

I've done a similar process, but I had empty slots for the new disks.

Any thoughts from the group?

Thank You
Paul Steinmetz
IBM i Systems Administrator

Pencor Services, Inc.
462 Delaware Ave
Palmerton Pa 18071

610-826-9117 work
610-826-9188 fax
610-349-0913 cell
610-377-6012 home


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