I have a setup where I will run a Ubuntu Server on two VHDX disks. System 50GB and Data 4TB. They are located on a mirrored Storage Spaces Pool and are dynamic expanded.

During the Ubuntu installation the system disk got created on first VHDX as a EXT4 on a LVM pool.

Is it a good idea to use LVM on Linux? Or should I just use simple EXT4 on system and / or data-disk?

Just a mkfs, file system creation of the Data-disk to EXT4 result in a 60GB expanded VHDX-file.

mkfs -t ext4 -E lazy_itable_init=1 /dev/sdb1

I created the machine before I read about the “VHDX Block Sizes”. So maybe that's a reason… http://www.altaro.com/hyper-v/understanding-working-vhdx-files/

What are your thoughts?


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