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How to re-use LVM from 4.8 in 5.4..
#1
Hi All!  I want to move to LL5.4 from LL4.8 and would like to break as little as possible in the process.

I have a 3.8TB LVM block device (Ext4, v1.0) mounted at /home, and another 1.2 TB block device at /media/backups. Current filesystem root is on a 240GB SSD.  There's a spare (unmounted) 120GB SSD available too.

1. Will the LL5.4 install recognise the existing block devices properly / safely and enable me to re-use them without me having to restore huge amounts of data from backups onto new lvm block device(s)?
2. Should I install the new LL5.4 as a dual boot on the spare 120GB SSD?  ...or can I safely install the LL5.4 on the 240GB SSD, wiping the LL4.8?
3. Could/should I consider creating an LVM 360GB SSD block device combining the two SSD's, and install on top of that?  What's the best way of doing that?

Thanks!

Nick
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How to re-use LVM from 4.8 in 5.4.. - by mutineering - 03-07-2021, 01:59 PM

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