rsync: connection unexpectedly closed

[devzero at web.de]

what does lsof tell? does rsync hang on a specific file? 

i would wonder if this is a rsync problem. as you told you killed all processes. 

so, on the second run rsync knows nothing from before...

roland

Am 18. Oktober 2016 12:08:00 MESZ, schrieb Bernd Hohmann <hohmann at harddiskcafe.de>:
>On 18.10.2016 07:03, Kip Warner wrote:
>
>> From what I can tell, there are no hardware problems. I also ran fsck
>> on the drive. The machine seems to be fine.
>
>I can confirm the problem.
>
>Situation here: 2 identical HP Microservers (Debian 7, on site compiled
>rsync 3.1.2, connected via OpenVPN).
>
>SSH is used for transport.
>
>Both machines have the correct date/time set via ntpd.
>
>All files on Client/Server are rw and have the right owner and are
>copy'able. oth sides.
>
>The "directory to backup" is a Samba-share (I stopped nmbd and smbd, no
>change). Client: 200GB, 42000 files total. Enough disk-space and memory
>on both sides.
>
>All rsync instances were killed (Client/Server) before starting rsync.
>
>tcpdump shows me a NOP packet every 2 min.
>
>
>I can provoke the error doing this:
>
>1) Start the transfer (rsync scans *all* client files and starts
>sending
>a file)
>
>2) ^C rsync on client
>
>3) "pkill rsync" on server until all rsync-processes are killed. Same
>on
>client (just to be sure)
>
>4) Start the transfer again, now rsync scans the top directories only
>and hangs (see straces below).
>
>
>Commandline:
>
>./rsync-debug -v --archive --progress
>      --human-readable --delete-during \
>      --rsync-path=/home/backup-hugo/bin/rsync-debug \
>      /srv/backup-bernd backup-hugo at backup-hugo.vpn:/srv/
>
>
>Client says (PID 5909 = rsync, 5910 = ssh)
>------------------------------------------------
>[...]
>5910  10:13:50 select(7, [3 4], [3], NULL, {240, 0}) = 1 (in [4], left
>{239, 999990})
>5910  10:13:50 read(4, "2010_20120119093643.pdf\0\3740O
>[...]
>\242}\30:V0124160__Nr.036_vom_10.09.2010_2012011"..., 16384) = 3072
>
>loop:
>5910  10:13:50 select(7, [3 4], [3], NULL, {240, 0} <unfinished ...>
>5909  10:14:51 <... select resumed> )   = 0 (Timeout)
>5909  10:14:51 select(6, [5], [], [5], {60, 0}) = 0 (Timeout)
>5909  10:15:51 select(6, [5], [], [5], {60, 0}) = 0 (Timeout)
>5909  10:16:51 select(6, [5], [], [5], {60, 0} <unfinished ...>
>5910  10:17:51 <... select resumed> )   = 0 (Timeout)
>goto loop
>------------------------------------------------
>
>Server says (PID 10331 = rsync --server, 10332 = ssh)
>------------------------------------------------
>[...]
>10331 10:13:50 lstat("backup-bernd/Schreibtisch",
>{st_mode=S_IFDIR|0755,
>st_size=4096, ...}) = 0
>10331 10:13:50 lstat("backup-bernd/VirtualBox", {st_mode=S_IFDIR|0755,
>st_size=4096, ...}) = 0
>10331 10:13:50 lstat("backup-bernd/bin", {st_mode=S_IFDIR|0755,
>st_size=4096, ...}) = 0
>10331 10:13:50 lstat("backup-bernd/projekte", {st_mode=S_IFDIR|0755,
>st_size=4096, ...}) = 0
>10331 10:13:50 lstat("backup-bernd/transfer", {st_mode=S_IFDIR|0755,
>st_size=4096, ...}) = 0
>10331 10:13:50 select(4, [3], [1], [3], {60, 0}) = 1 (out [1], left
>{59,
>999991})
>10331 10:13:50 write(1, "\4\0\0\7\3\20\0\0", 8) = 8
>10331 10:13:50 select(4, [3], [], [3], {60, 0} <unfinished ...>
>10332 10:14:50 <... select resumed> )   = 0 (Timeout)
>
>loop:
>10332 10:14:50 select(1, [0], [], [0], {60, 0} <unfinished ...>
>10331 10:14:50 <... select resumed> )   = 0 (Timeout)
>10331 10:14:50 select(4, [3], [], [3], {60, 0} <unfinished ...>
>10332 10:15:50 <... select resumed> )   = 0 (Timeout)
>goto loop
>------------------------------------------------
>
>-- 
>Bernd Hohmann
>Organisationsprogrammierer
>Höhenstrasse 2 * 61130 Nidderau
>Telefon: 06187/900495 * Telefax: 06187/900493
>Blog: http://blog.harddiskcafe.de
>
>
>
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