Hacker News with Generative AI: ZFS

ZFS checksum flaw: Corruption may be left unnoticed (github.com/openzfs)
While implementing the validation and decoding of ZFS Receive Resume Tokens for a personal project, I noticed that the checksum of the tokens produced by ZFS does not match the one I computed myself using the Fletcher4 checksum algorithm. Therefore I took a deeper look into the ZFS code and noticed something unexpected:
Security, Open Source, Software, ZFS
9 points by PaulCarrack 19 days ago | 3 comments
A gotcha with importing ZFS pools and NFS exports on Linux (utoronto.ca)
Ever since its Solaris origins, ZFS has supported automatic NFS and CIFS sharing of ZFS filesystems through their 'sharenfs' and 'sharesmb' properties.
Linux, ZFS, NFS, File Systems, Operating Systems
13 points by zdw 25 days ago | 0 comments
Synology DS923 vs. FreeBSD with ZFS (blogsystem5.substack.com)
My interest in storage is longstanding—I loved playing with different file systems in my early Unix days and then I worked on Google’s and Microsoft’s distributed storage solutions—and, about four years ago, I started running a home-grown NAS leveraging FreeBSD and its excellent ZFS support. I first hosted the server on a PowerMac G5 and then upgraded it to an overkill 72-core ThinkStation that I snapped second-hand for a great price.
Storage, Operating Systems, Home Servers, FreeBSD, ZFS
18 points by jmmv 34 days ago | 11 comments
Consider adding warnings against using ZFS native encryption (github.com/openzfs)
Among experienced zfs users and developers, it seems to be conventional wisdom that zfs native encryption is not suitable for production usage, particularly when combined with snapshotting and zfs send/recv. There is a long standing data corruption issue with many firsthand user reports:
Software, ZFS, Data Storage, Security
18 points by 6581 84 days ago | 4 comments
ZFS native encryption is currently broken for encrypted backups (ycombinator.com)
There are various issues on ZFS native encryption. ZFS native encryption has been especially buggy when raw encrypted zfs snapshots are being sent or received.
Security, ZFS, Backup, Encryption
17 points by amano-kenji 109 days ago | 20 comments
Why are my ZFS disks so noisy? (allthingsopen.org)
Earlier this year, a user at Practical ZFS asked a deceptively simple question:
ZFS, Hardware, Storage
196 points by todsacerdoti 113 days ago | 87 comments
Troubleshooting my offline Zpool (ogselfhosting.com)
Troubleshooting, ZFS, Data Storage, Self-Hosting
20 points by sipofwater 195 days ago | 0 comments
Disaster Recovery with ZFS and Zrepl (chromakode.com)
Disaster Recovery, ZFS, Data Backup, Cloud Storage
32 points by aargh_aargh 254 days ago | 32 comments