On 7/22/24 7:20 PM, Alex wrote:
I've used fedora since it was called Red Hat, but this is the first time
I've seen disk compression and mounting the same partition on multiple
mount points.
Can someone help me understand what's happening here?
UUID=832cbf4d-a17f-457d-b768-bd5c1a26bf86 / btrfs
subvol=root,compress=zstd:1 0 0
UUID=a3e1f06d-f666-442f-9cd5-4d2833552e9c /boot ext4
defaults 1 2
UUID=832cbf4d-a17f-457d-b768-bd5c1a26bf86 /home btrfs
subvol=home,compress=zstd:1 0 0
This is the fstab from my new default fedora40 server install. Why is it
mounting /dev/sda3 (PERC RAID5) on both root and home?
btrfs uses volumes. root and home are subvolumes on the same
filesystem. So there is an entry for mounting each volume.
I'm also curious about the real-time disk compression. I wasn't aware it
could be used on the root filesystem.
Why not? It's part of the filesystem, not an extra layer.
I have another fedora38 server that I plan to upgrade shortly. Can I
perform an update in place to do the same with my fedora38 server and
xfs or it is only supported on btrfs?
I don't think xfs supports this.
What is the benefit of mounting the same partition on multiple mount points?
Same partition, different volumes.
--
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