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Alexander Motin
45e23abed5
Before this change resume token was updated only on data receive. Usually it is enough to resume replication without much overlap. But we've got a report of a curios case, where replication source was traversed with recursive grep, which through enabled atime modified every object without modifying any data. It produced several gigabytes of replication traffic without a single data write and so without a single resume point. While the resume token was not designed to resume from an object, I've found that the send implementation always sends object before any data. So by requesting resume from offset 0 we are effectively resuming from the object, followed (or not) by the data at offset 0, just as we need it. Reviewed-by: Allan Jude <allan@klarasystems.com> Reviewed-by: Paul Dagnelie <pcd@delphix.com> Signed-off-by: Alexander Motin <mav@FreeBSD.org> Sponsored by: iXsystems, Inc. Closes #15927
OpenZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community. This repository contains the code for running OpenZFS on Linux and FreeBSD.
Official Resources
- Documentation - for using and developing this repo
- ZoL Site - Linux release info & links
- Mailing lists
- OpenZFS site - for conference videos and info on other platforms (illumos, OSX, Windows, etc)
Installation
Full documentation for installing OpenZFS on your favorite operating system can be found at the Getting Started Page.
Contribute & Develop
We have a separate document with contribution guidelines.
We have a Code of Conduct.
Release
OpenZFS is released under a CDDL license.
For more details see the NOTICE, LICENSE and COPYRIGHT files; UCRL-CODE-235197
Supported Kernels
- The
METAfile contains the officially recognized supported Linux kernel versions. - Supported FreeBSD versions are any supported branches and releases starting from 12.4-RELEASE.