Resilio Sync keeps crashing lately - anyone else having this trouble?

The 3rd party BitTorrent Sync app uses the P2P (peer-to-peer) protocol to synchronize an unlimited number of files (stored on the NAS) between your devices. Your data is not stored on a server in the cloud but is protected using private keys during file transmission.
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soundacct
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Joined: Thu Apr 04, 2019 8:49 am

Resilio Sync keeps crashing lately - anyone else having this trouble?

Post by soundacct » Thu Apr 04, 2019 9:21 am

for me, this started with Resilio Sync version 2.6.0. I am currently using version 2.6.3 - same issue. When I start Resilio Sync on my Qnap, remote clients start syncing as expected, but then it crashes (on the Qnap) anywhere from a couple minutes to maybe a half hour or so later.

I have a Qnap TS-431P

Version 4.3.6.0895 (2019/03/28)

Can anyone help? I have been using Resilio Sync for quite a while and it was working perfectly until I updated to 2.6.0.

Thanks in advance

ajugland
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Joined: Tue May 28, 2019 3:31 am

Re: Resilio Sync keeps crashing lately - anyone else having this trouble?

Post by ajugland » Tue May 28, 2019 3:35 am

I got same issue with same QNAP. Is it too little memory? Its seen then wanishes, and just continue like this. Disks are working and spinning. Its just too slow to operate even though the CPU is hardly working at all.

alexbartok
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Joined: Mon May 02, 2011 5:00 pm

Re: Resilio Sync keeps crashing lately - anyone else having this trouble?

Post by alexbartok » Fri Aug 28, 2020 10:26 pm

I realize this is an ancient thread, but it comes up in Google results and I solved this problem for my two affected systems by disabling asynchronous IO.

On your qnap, edit the following file (XXX_DATA depends on your RAID configuration, most likely it is CACHEDEV1_DATA):

/share/XXX_DATA/.qpkg/ResilioSync/resilio-sync.conf

In particular you'll need to add a parameter async_io and set its value to false. Once done, restart Sync. Please note that the file has JSON syntax so please ensure you are following it (in terms of commas, brackets, etc.). Here's a sample conf with the parameter (don't copy the sample completely as it may differ from your NAS's configuration file):

Code: Select all

{
    "check_for_updates" : true,
    "display_new_version": false,
    "use_upnp" : true,
    "storage_path" : "/share/HDA_DATA/.qpkg/ResilioSync/storage",

    "directory_root" : "/share",
    "directory_root_policy" : "all",
    "vendor" : "qnap",
    "async_io": false,

    "webui" :
    {
        "force_https": true,
        "listen" : "0.0.0.0:14860",
        "allow_empty_password" : false,
        "context":"{\"folder_blacklist\": [\"\/Qsync\", \"\/external\", \"\/HD[A-Z]_\", \"\/MD[0-9]_\"]}"
    }
}

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