[SOLVED] VM file system recommendation under PVE host

Gergely Kulcsar

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Aug 18, 2016
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1st >>> Sorry for my bad english.
I have build a home / small office server with i7 processor, 32GB RAM, 4x3TB HDD (ZFS RAIDZ) and 1 SSD for ZFS cache and log.
My question: What is a recommended vm file system e.g. ubuntu server / debian server? ZFS, Btrfs, XFS or standard Ext4? I wanna know that too, wich is why recommended or not recommended.
Thanks for the help!
 
ext4 and xfs are fine. I would not use another "intelligent" fs on top of ZFS.

If you mostly install linux, consider using LXC instead of KVM on ZFS. In ZFS, LX containers are used as filesystem, so you will not have a guest filesystem above ZFS, just ZFS itself. This has a lot of features and works incredible well.
 
ext4 and xfs are fine. I would not use another "intelligent" fs on top of ZFS.

If you mostly install linux, consider using LXC instead of KVM on ZFS. In ZFS, LX containers are used as filesystem, so you will not have a guest filesystem above ZFS, just ZFS itself. This has a lot of features and works incredible well.

Thanks for the answer.