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Wow, I was under the impression that this had long been implemented already (as it's already in btrfs and other commercial file systems) Awesome!
by dark-star 3y ago
Wow, I was under the impression that this had long been implemented already (as it's already in btrfs and other commercial file systems)
Awesome!
- mgerdts 3y agoIt has been in the Solaris version of zfs for a long time as well. This came a few years after the Oracle-imposed fork. https://blogs.oracle.com/solaris/post/reflink3c-what-is-it-why-do-i-care-and-how-can-i-use-it https://blogs.oracle.com/solaris/post/reflink3c-what-is-it-w...
- rincebrain 3y agoreflink is implemented on Oracle Solaris; how it works internally I don't think Oracle has ever commented, since implementing post-facto dedup on a filesystem that assumes data once written is unmodified is a bit Spicy(tm) - you can look at the BRT talk from the OpenZFS dev summit or other talks about it at the leadership meetings to get some idea why it's so exciting.
- abwizz 3y agoimplying that zfs is not a commercial filesystem made me chuckle