File Systems: Difference between revisions

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! Name !! Snapshots !! RAID !! Checksumming !! Compression !! CoW !! Erasure coding || Encryption

|-

| BTRFS<ref name="btrfs_documentation>https://btrfs.readthedocs.io/en/latest/Introduction.html</ref> || Yes, Writable || ~~Block-level~~<ref name="btrfs_volume>https://btrfs.readthedocs.io/en/latest/Volume-management.html</ref> || Yes || Yes || Yes || Unstable || No

| BTRFS<ref name="btrfs_documentation>https://btrfs.readthedocs.io/en/latest/Introduction.html</ref> || Yes, Writable || Yes<ref name="btrfs_volume>https://btrfs.readthedocs.io/en/latest/Volume-management.html</ref> || Yes || Yes || Yes || Unstable || No

|-

| ZFS || Yes<ref name="zfs_snapshots">https://docs.oracle.com/cd/E19253-01/819-5461/gbcya/index.html</ref>, Writable<ref name="zfs_clone">https://docs.oracle.com/cd/E19253-01/819-5461/gbcxz/index.html</ref> || ~~Disk~~-level || Yes || Yes || Yes || Yes || Yes

| ZFS || Yes<ref name="zfs_snapshots">https://docs.oracle.com/cd/E19253-01/819-5461/gbcya/index.html</ref>, Writable<ref name="zfs_clone">https://docs.oracle.com/cd/E19253-01/819-5461/gbcxz/index.html</ref> || Drive-level || Yes || Yes || Yes || Yes || Yes

|-

| EXT4 || No || No || No || No || No || - || No

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Notes:

* I prefer BTRFS for ~~single-drive deployment~~.

* For single drives/blocks, I prefer BTRFS for it's feature set.

* For multiple drives, ZFS is often preferred for it's reliability.

* bcachefs is still under development

For multi-drive deployment, my preferences are:

* If you have multiple same-sized disks~~, maxmimum storage,~~ and no ~~plans~~ for expansion, use ZFS ~~raidz1 or raidz2~~.

* If you have multiple same-sized disks and no need for expansion, use ZFS raid.

* If you have different sized disks~~, maxmimum storage~~, want maximum ~~size~~, and don't need live parity then use snapraid + btrfs + mergerfs.

* If you have different sized disks, want maximum storage, and don't need live parity then use snapraid + btrfs + mergerfs.

* If you need real-time parity and expansion and don't mind slow rebuilds, use mdraid + btrfs.

Windows:

===Windows===

1. NTRFS

# NTRFS

~~2. ReF~~

# ReFS

===Mac===

# APFS

# Mac OS Extended

==Overlay File Systems==

@@ Line 13: / Line 13: @@
 ! Name !! Snapshots !! RAID !! Checksumming !! Compression !! CoW !! Erasure coding || Encryption
 |-
-| BTRFS<ref name="btrfs_documentation>https://btrfs.readthedocs.io/en/latest/Introduction.html</ref> || Yes, Writable || Block-level<ref name="btrfs_volume>https://btrfs.readthedocs.io/en/latest/Volume-management.html</ref> || Yes || Yes || Yes || Unstable || No
+| BTRFS<ref name="btrfs_documentation>https://btrfs.readthedocs.io/en/latest/Introduction.html</ref> || Yes, Writable || Yes<ref name="btrfs_volume>https://btrfs.readthedocs.io/en/latest/Volume-management.html</ref> || Yes || Yes || Yes || Unstable || No
 |-
-| ZFS || Yes<ref name="zfs_snapshots">https://docs.oracle.com/cd/E19253-01/819-5461/gbcya/index.html</ref>, Writable<ref name="zfs_clone">https://docs.oracle.com/cd/E19253-01/819-5461/gbcxz/index.html</ref> || Disk-level || Yes || Yes || Yes || Yes || Yes
+| ZFS || Yes<ref name="zfs_snapshots">https://docs.oracle.com/cd/E19253-01/819-5461/gbcya/index.html</ref>, Writable<ref name="zfs_clone">https://docs.oracle.com/cd/E19253-01/819-5461/gbcxz/index.html</ref> || Drive-level || Yes || Yes || Yes || Yes || Yes
 |-
 | EXT4 || No || No || No || No || No || - || No
@@ Line 25: / Line 25: @@
 Notes:
-* I prefer BTRFS for single-drive deployment.
+* For single drives/blocks, I prefer BTRFS for it's feature set.
+* For multiple drives, ZFS is often preferred for it's reliability.
 * bcachefs is still under development
 For multi-drive deployment, my preferences are:
-* If you have multiple same-sized disks, maxmimum storage, and no plans for expansion, use ZFS raidz1 or raidz2.
+* If you have multiple same-sized disks and no need for expansion, use ZFS raid.
-* If you have different sized disks, maxmimum storage, want maximum size, and don't need live parity then use snapraid + btrfs + mergerfs.
+* If you have different sized disks, want maximum storage, and don't need live parity then use snapraid + btrfs + mergerfs.
 * If you need real-time parity and expansion and don't mind slow rebuilds, use mdraid + btrfs.
-Windows:
+===Windows===
-. NTRFS
+# NTRFS
-. ReF
+# ReFS
+===Mac===
+# APFS
+# Mac OS Extended
 ==Overlay File Systems==