RE: Migration data to new IBM i -- MIDRANGE-L

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They didn't give specifics. They just said that you couldn't do it with a RAID SAN and mirrored POWER7. Our options were either to disable mirroring and go a week unprotected, or tape backup/restore.

-----Original Message-----
From: Jim Oberholtzer [mailto:midrangel@xxxxxxxxxxxxxxxxx]
Sent: Wednesday, June 26, 2019 9:32 AM
To: 'Midrange Systems Technical Discussion' <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: RE: Migration data to new IBM i

So how did mirroring stop you from migrating the data? Since I've done this many times, I'm confused about why it did not work in this case?

--
Jim Oberholtzer
Agile Technology Architects

-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Justin Taylor
Sent: Wednesday, June 26, 2019 9:10 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: RE: Migration data to new IBM i

FWIW, when we migrated from POWER7 to POWER9 in the spring, our business partner's plan called for attaching the new SAN to the POWER7 and migrating the data live. When the cut-over day came, we would move the SAN cables from the POWER7 to the POWER9 and ran a quick conversion.

Unfortunately that wouldn't work with the mirrored drives on our POWER7. We ended up doing a SAVE 21 then RESTORE 21.

HTH

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