hi Craig

here some explanations:

i set $Conf{ClientTimeout} to 600, 10min

i try to transfer dir with one long file ~7Gb on slow link ~1MB/s

so after 10min of transfer  rsync_bpc receive ALARM and terminates

i think there no output during file transfer, this behavior noted in doc but not clear, only smbclient mention

and i think this behavior not handy and not funny, i need "true" timeout on io hangs

why i set $Conf{ClientTimeout} to 600 ?

there another problem

i test network failure during file transfer, i just terminate interface on server (ifconfig down) and after ~5min up 

so, on client side there send error detected and tcp connection terminated by OS

on server side tcp connection just hang, rsync_bpc hang and backup process just hang,

it bad idea (i think) wait 72000 to start new backup session

what about parameters to rsync_bpc? --timeout -z ?

2017-04-27 10:25 GMT+07:00 Craig Barratt <[email protected].net>:

I did look at the code, and it does restart $Conf{ClientTimeout} every time it sees output from rsync_bpc.  Let me see if I can replicate what you observed.

I agree for rsync it would make more sense to pass that setting onto rsync_bpc (if it's non-zero), and not set the timeout in BackupPC_dump.

Craig

On Wed, Apr 26, 2017 at 10:19 AM, ACR ACR <acrsofter AT gmail DOT com> wrote:

From doc:

Timeout in seconds when listening for the transport program's (smbclient, tar etc) stdout. If no output is received during this time, then it is assumed that something has wedged during a backup, and the backup is terminated.

This is not true for rsyncd method, in my test this setting work like hard abort regardless of data activity.

And here some questions:

is rsync-bpc-3.0.9.6 and cygwin-rsync support "normal" rsync parameters:

--timeout=TIMEOUT - timeout that work as expected on IO stale

-z - compression

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