[GLLUG] Link two RAIDs in one LVM?

Dr. Axel Stammler axst at users.sourceforge.net
Mon May 11 18:03:22 UTC 2020


On Mon 2020-05-11 13.15.55, Greater London Linux User Group wrote:

>What size are the partitions on the old 8TB disks?
>Is it a single partition for all 8TB ?

Yes, it is. The system is on a separate hard disk drive.

>If you have a separate data from the OS partition:
>you could "rsync -avpP"  the data/image/picture/whatever files over to
>the new disks on top of LVM.
>You could handle the OS partition offline.
>You can then do a final "catch up" rsync of the data in offline mode.
>Once everything is copied and you have unmounted the old disks, and
>have everything booting and running nicely on the new disks.
>You could then wipe the old disks, and redo them with LVM on them.
>I would allow at least a day or two for the first rsync of 8TB.
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