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vmrulz
Hot Shot
Hot Shot

Moving spanned volumes on massive windows 2012r2 to win 2022 server

Hello all,

It is with great sadness that I'm even posting this question but here's hoping somebody has experienced this pain. As many of us know win2012r2 has ended its life and yet many applications SME's have waited till the bitter end to attempt migration.

We are running vsphere 7.03 backended by Pure flash arrays.

The Win2012r2 vm has evolved (mostly pre-me) to 43 underlying VMDK's of various sizes which are mostly spanned in Windows to several very large volumes (total in use storage is 120T and provisioned is 400T). This server also had a similar activity of moving a spanned volume to it years ago making the disk subsystem even more janky. It is easily one of the top 5 most valuable with the least downtime allowed servers we have. Rubrik backups are a mess because the server is so busy the full Rubrik snaps can kill the server..so we do some by SMB.. point being recovery could be very messy.

Has anybody had luck moving Windows spanned volumes from an older OS to a newer one? Have any reliable references for making it happen?

Appreciate any insight

Fish

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