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The zpool checkpoint feature in DxOS added a new field in the uberblock. The Multi-Modifier Protection Pull Request from ZoL adds three new fields in the uberblock (Reference: https://github.com/zfsonlinux/zfs/pull/6279). As these two changes come from two different sources and once upstreamed and deployed will introduce an incompatibility with each other we want to upstream a change that will reserve the padding for both of them so integration goes smoothly and everyone gets both features. Porting Notes: Preserved MMP comments in uberblock struct. Authored by: Serapheim Dimitropoulos <serapheim@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed by: Olaf Faaland <faaland1@llnl.gov> Approved by: Gordon Ross <gwr@nexenta.com> Ported-by: Giuseppe Di Natale <dinatale2@llnl.gov> OpenZFS-issue: https://www.illumos.org/issues/8491 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/d84fa5f Closes #6390
ZFS on Linux, which is also known as ZoL, is currently feature complete. It includes fully functional and stable SPA, DMU, ZVOL, and ZPL layers. And it's native!
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Full documentation for installing ZoL on your favorite Linux distribution can be found at our site.
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