Invalid dir index: -826 (-101 - -825) [receiver] -- rsync error: protocol incompatibility (code 2) at rsync.c(370) [receiver=3.2.5]

[Budi Janto]

Hi, folk.

I got some problem when running this command on client side:

# rsync -avPH --chown=root:wheel --chmod=D755,F644 --delete --exclude 
ads --exclude backup rsync://192.168.0.100/data /mnt/DATA
receiving incremental file list
Invalid dir index: -826 (-101 - -825) [receiver]
rsync error: protocol incompatibility (code 2) at rsync.c(370) 
[receiver=3.2.5]
unexpected tag 62 [receiver/inc]

In server/client side, I use similar version OS which's 13.1-RELEASE-p1. 
And here rsync version that I have:

server# pkg info rsync
rsync-3.2.5
Name           : rsync
Version        : 3.2.5
Installed on   : Sat Aug 20 13:33:47 2022 WIB
Origin         : net/rsync
Architecture   : FreeBSD:13:amd64
Prefix         : /usr/local
Categories     : net
Licenses       : GPLv3+
Maintainer     : rodrigo at FreeBSD.org
WWW            : http://rsync.samba.org/
Comment        : Network file distribution/synchronization utility
Options        :
	DOCS           : on
	FLAGS          : on
	ICONV          : on
	POPT_PORT      : off
	RENAMED        : off
	SSH            : on
	ZLIB_BASE      : on
Shared Libs required:
	libzstd.so.1
	libxxhash.so.0
	liblz4.so.1
	libiconv.so.2
Annotations    :
	FreeBSD_version: 1300139
	cpe            : cpe:2.3:a:samba:rsync:3.2.5:::::freebsd13:x64
	repo_type      : binary
	repository     : FreeBSD
Flat size      : 824KiB
Description    :
rsync is a replacement for rcp that has many more features.

rsync uses the "rsync algorithm" which provides a very fast method for
bringing remote files into sync. It does this by sending just the
differences in the files across the link, without requiring that both
sets of files are present at one of the ends of the link beforehand.
This makes rsync a good remote file distribution/synchronization utility
in a dialup PPP/SLIP environment.

Note, requires rsync on the destination machine.

There is a Computer Science Technical Report on the rsync algorithm is
included in the distribution, and is available as
ftp://samba.anu.edu.au/pub/rsync/tech_report.ps

WWW: http://rsync.samba.org/

client# pkg info rsync
rsync-3.2.5
Name           : rsync
Version        : 3.2.5
Installed on   : Sat Aug 20 13:43:46 2022 WIB
Origin         : net/rsync
Architecture   : FreeBSD:13:amd64
Prefix         : /usr/local
Categories     : net
Licenses       : GPLv3+
Maintainer     : rodrigo at FreeBSD.org
WWW            : http://rsync.samba.org/
Comment        : Network file distribution/synchronization utility
Options        :
	DOCS           : on
	FLAGS          : on
	ICONV          : on
	POPT_PORT      : off
	RENAMED        : off
	SSH            : on
	ZLIB_BASE      : on
Shared Libs required:
	libzstd.so.1
	libxxhash.so.0
	liblz4.so.1
	libiconv.so.2
Annotations    :
	FreeBSD_version: 1300139
	cpe            : cpe:2.3:a:samba:rsync:3.2.5:::::freebsd13:x64
	repo_type      : binary
	repository     : FreeBSD
Flat size      : 824KiB
Description    :
rsync is a replacement for rcp that has many more features.

rsync uses the "rsync algorithm" which provides a very fast method for
bringing remote files into sync. It does this by sending just the
differences in the files across the link, without requiring that both
sets of files are present at one of the ends of the link beforehand.
This makes rsync a good remote file distribution/synchronization utility
in a dialup PPP/SLIP environment.

Note, requires rsync on the destination machine.

There is a Computer Science Technical Report on the rsync algorithm is
included in the distribution, and is available as
ftp://samba.anu.edu.au/pub/rsync/tech_report.ps

WWW: http://rsync.samba.org/

So, this affected to several removing directory on client side. But 
without option --delete is fine. Thanks.

-- 
Regards,
Budi Janto
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