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Some rsync tasks broken after upgrade to FreeNAS 11.3-U5

Western Digital Drives - The Preferred Drives of FreeNAS and TrueNAS CORE


Oct 25, 2019
Quite a few of my rsync jobs failed after I upgraded from FreeNAS-11.3-U3 to FreeNAS-11.3-U5. I tracked down the problem to differing rsync versions. FreeNAS rsync is 3.1.3 and I'm able to rsync to systems that have 3.1. I'm unable to rsync to systems that have rsync 3.0 installed. It seems pretty unusual that a minor version upgrade would break rsync.

The log shows

opening tcp connection to moby port 873
Connected to moby (129.59.XX.XX)
sending daemon args: --server --sender -vvvlogDtpre.iLsfxC . etc/ (5 args)
@Error: access denied to etc from hadal (10.2.XX.XX)
rsync error: error starting client-server protocol (code 5) at main.c(1671) [Receiver=3.1.3]
[Receiver] _exit_cleanup(code=5, file=main.c, line=1671): about to call exit(5)