"Due to potential legal incompatibilities between the CDDL and GPL, despite both being OSI-approved free software licenses which comply with DFSG, ZFS development is not supported by the Linux kernel"
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@whitequark I have a new hard drive I intend to use primarily for backup and I am currently considering BTRFS or ZFS for the Linux part instead of ext4 (because I hear they can do some thing of storing extra error-checking data to protect against physical disk corruption). In your view, if I intend to use mainline Debian indefinitely, will BTRFS, ZFS, both, or neither give me the least pain getting things working?
@mcc btrfs
my headmate, who is obsessive over data integrity, runs btrfs on her NAS with zero issues. it has nice things like snapshotting and such. the reputation btrfs has dates back to many years ago and i don't think the issues people distrust it for have mattered for quite a while
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@whitequark I have a new hard drive I intend to use primarily for backup and I am currently considering BTRFS or ZFS for the Linux part instead of ext4 (because I hear they can do some thing of storing extra error-checking data to protect against physical disk corruption). In your view, if I intend to use mainline Debian indefinitely, will BTRFS, ZFS, both, or neither give me the least pain getting things working?
AIUI, ZFS really requires multiple drives to be effective.
You might gain a little value from extra checksums on file system blocks on a single drive, but if those checksums ever start failing on a hard drive there is a high likelihood that most of the drive is about to fail completely.
I had researched ZFS a fair bit as I planned to build my own FreeBSD NAS around 3-4 drives in ZFS, but eventually decided to buy an off-the-shelf ZFS NAS from the TrueNAS people.
