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loli10K 4411de2116 OpenZFS 8940 - Sending an intra-pool resumable send stream may result in EXDEV 
Because resuming from a token requires "guid" -> "snapshot" mapping
we have to walk the whole dataset hierarchy to find the right snapshot
to send; when both source and destination exists, for an incremental
resumable stream, libzfs gets confused and picks up the wrong snapshot
to send from: this results in attempting to send
   "destination@snap1 -> source@snap2"
instead of
   "source@snap1 -> source@snap2"
which fails with a "Invalid cross-device link" error (EXDEV).
Fix this by adjusting the logic behind dataset traversal in
zfs_iter_children() to pick the right snapshot to send from.
Additionally update dry-run 'zfs send -t' to print its output to
stderr: this is consistent with other dry-run commands.

Patch Notes:
Reconciled differences between OpenZFS and
aee1dd4d98.

Authored by: loli10K <ezomori.nozomu@gmail.com>
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Approved by: Hans Rosenfeld <rosenfeld@grumpf.home-2000.org>
Ported-by: Giuseppe Di Natale <dinatale2@llnl.gov>

OpenZFS-issue: https://www.illumos.org/issues/8940
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/9f7867c206
Closes #7171
2018-02-14 14:35:04 -08:00
.github Reduce codecov PR comments 2018-01-09 11:15:55 -08:00
cmd Project Quota on ZFS 2018-02-13 14:54:54 -08:00
config Linux 4.16 compat: inode_set_iversion() 2018-02-08 21:25:19 -08:00
contrib contrib/initramfs: add missing conf.d/zfs 2018-02-12 11:40:00 -08:00
etc OpenZFS 7431 - ZFS Channel Programs 2018-02-08 15:28:18 -08:00
include Project Quota on ZFS 2018-02-13 14:54:54 -08:00
lib OpenZFS 8940 - Sending an intra-pool resumable send stream may result in EXDEV 2018-02-14 14:35:04 -08:00
man Project Quota on ZFS 2018-02-13 14:54:54 -08:00
module Project Quota on ZFS 2018-02-13 14:54:54 -08:00
rpm Fix systemd_ RPM macros usage on Debian-based distributions 2018-02-02 13:50:42 -08:00
scripts OpenZFS 7431 - ZFS Channel Programs 2018-02-08 15:28:18 -08:00
tests Project Quota on ZFS 2018-02-13 14:54:54 -08:00
udev Fix spelling 2017-01-03 11:31:18 -06:00
.gitignore Add configure option to enable gcov analysis 2017-09-15 10:24:13 -07:00
.gitmodules Add zimport.sh compatibility test script 2014-02-21 12:10:31 -08:00
.travis.yml Add .travis.yml 2017-11-13 09:18:18 -08:00
AUTHORS Add a missing > to AUTHORS 2014-09-02 14:18:53 -07:00
autogen.sh build: do not call boilerplate ourself 2013-04-02 10:55:20 -07:00
configure.ac Project Quota on ZFS 2018-02-13 14:54:54 -08:00
copy-builtin Fix copy-builtin to work with ASAN patch 2018-01-12 09:39:36 -08:00
COPYRIGHT Encryption patch follow-up 2017-10-11 16:54:48 -04:00
DISCLAIMER Fix minor typos and update marketing copy. 2013-03-21 12:51:06 -07:00
Makefile.am Verify ZFS Test Suite scripts executability 2018-02-07 12:43:24 -08:00
META Tag zfs-0.7.0 2017-07-26 10:13:25 -07:00
OPENSOLARIS.LICENSE Add CDDL license file 2008-12-01 14:49:34 -08:00
README.markdown Add scan.coverity.com badge to README 2017-10-30 16:21:24 -07:00
TEST Refresh TEST file to include new variables 2017-11-08 11:09:30 -08:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

README.markdown

img

ZFS on Linux is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community.

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Official Resources

Installation

Full documentation for installing ZoL on your favorite Linux distribution can be found at our site.

Contribute & Develop

We have a separate document with contribution guidelines.