Introduction Real-time/timing data synchronization tool based on rsync Use scene When two or more servers do load balancing and need to synchronize website data When data mirroring is required In other projects that require real-time file synchronization Data backup Glossary: [Sync method] Increment: Synchronize when data is changed/increased, and only add and replace files [Sync method] Mirror: Keep the data at both ends consistent with the dir structure, The following operations will be sync: delete, append and replace files and directories [Sync cycle] Real-time: Real-time monitoring of file and directory status, once there is a change, the synchronization task will be executed immediately [Sync cycle] Timing : scan files and directories at regular intervals for changes, and perform synchronization tasks when changes are detected Add a receiving task Add a receiving task on the server that receives the data and get the sync key Note: please make sure the [Sync to] directory is empty, if there are files/dirs, please make a backup to prevent the data loss of the receiving server after selecting the mirror mode in the sending task Add sending tasks Add sending tasks to the data source server After the setup is complete, check whether your two servers are configured correctly and then click the sync button to activate synchronization

I don't think you can do load balancing on a database. thiagotgc

thiagotgc IF you use AWS, use Amazon RDS for database.

how can I use load balancing if I use hetzner dedicated server? can you please explain how to setup load balancing for dedicated server? After that I will setup sync.

If I use the Sync Tool, will the sync from the 2nd time onwards only apply to the new file? And one more thing, if I delete a file on the original server, will the secondary server automatically delete that file?

If I use the Sync Tool, will the sync from the 2nd time onwards only apply to the new file? And one more thing, if I delete a file on the original server, will the secondary server automatically delete that file? Just the main server to buy the plugin or both? How is the fee calculated?

What if the Master server is offline? Will data be recorded to the slave server and then synced to Master server when it comes back online?

I do not understand, how to configure this do you need to have the purchase of the plugin on both servers?

deewinc Thats a good question. Waiting for an answer too

How to use [ Sync Tool ]

MIRWEB

OS : Ubuntu 20.04.6 LTS x86_64(Py3.7.9)

Files are not syncing even after adding them.
I've reinstalled several times, but the synchronization still doesn't work.

Is there another way?

aaPanel_Kern

MIRWEB
Hello, execute the command to check whether rsync and lsyncd are started.
ps aux|grep sync
If not, is it normal to try to start it manually?

/etc/init.d/lsyncd start
/etc/init.d/rsynd start
ps aux|grep sync

MIRWEB

aaPanel_Kern

/etc/init.d/lsyncd start Starting lsyncd (via systemctl): lsyncd.serviceJob for lsyncd.service failed because the service did not take the steps required by its unit configuration. See "systemctl status lsyncd.service" and "journalctl -xe" for details. failed!

The issue was not resolved, so I uninstalled and reinstalled the 'rsync tool'. However, it's not proceeding from the screen below.

aaPanel_Kern

MIRWEB
check log
systemctl status lsyncd.service

MIRWEB

aaPanel_Kern

The following message was displayed.

lsyncd.service - SYSV: Lightweight inotify based sync daemon
Loaded: loaded (/etc/init.d/lsyncd; generated)
Active: failed (Result: protocol) since Fri 2023-09-15 12:35:45 KST; 9h ago
Docs: man:systemd-sysv-generator(8)

Sep 15 12:35:45 q361-2821.cafe24.com systemd[1]: Starting SYSV: Lightweight inotify based sync daemon...
Sep 15 12:35:45 q361-2821.cafe24.com lsyncd[331026]: Starting lsyncd:
Sep 15 12:35:45 q361-2821.cafe24.com lsyncd[331046]: /usr/bin/lsyncd: error while loading shared libraries: liblua5>
Sep 15 12:35:45 q361-2821.cafe24.com systemd[1]: lsyncd.service: Can't open PID file /run/lsyncd.pid (yet?) after s>
Sep 15 12:35:45 q361-2821.cafe24.com systemd[1]: lsyncd.service: Failed with result 'protocol'.
Sep 15 12:35:45 q361-2821.cafe24.com systemd[1]: Failed to start SYSV: Lightweight inotify based sync daemo

aaPanel_Kern

MIRWEB
Hello, try to install liblua5 manually, is it possible to solve it?
rm -rf /usr/lib/x86_64-linux-gnu/liblua* apt-get install liblua5.3 liblua5.3-dev cmake -y

If it still cannot be solved, please try to reinstall the sync tool. If it does not work, please check the installation log.
/tmp/panelShell.pl

aaP_vini

How can I use incremental backup with Cloud Storage or Google Drive?

aaPanel_Kern

Hello, there is currently no relevant program, you can use third-party tools

aaP_vini

aaPanel_Kern What is your suggestion for a third party program?

aaPanel_Kern

It is recommended that you use a search engine to find it.

username1212

Does this plugin use ftp or s3 for communication?

aaPanel_Kern

communicate using rsync

username1212

shine90

Hello, I'm using your service and I'd like to inquire about why the price has increased so significantly. Initially, it was only $3, but after a few months, it has risen to over $20.

aaP_chanmenme2

the service is always closed, how to fix it?

aaPanel_Kern

Hello, is manual startup normal? If it is normal, please check whether it has been shut down by the system?
/etc/init.d/lsyncd restart

aaP_chanmenme2

aaPanel_Kern manual setup it doesnt help, error still

aaPanel_Kern

Hello, execute the command to check whether rsync and lsyncd are started.
ps aux|grep sync
If not, is it normal to try to start it manually?

/etc/init.d/lsyncd start
/etc/init.d/rsynd start
ps aux|grep sync

aaP_chanmenme2

aaP_kantsyrskiy_borislav

Nov 24 11:06:31 p585122.kvmvps systemd[1]: Starting lsyncd.service - SYSV: Lightweight inotify>
Nov 24 11:06:31 p585122.kvmvps lsyncd[22345]: Starting lsyncd:
Nov 24 11:06:31 p585122.kvmvps lsyncd[22351]: Error: error loading precompiled runner: runner:>
Nov 24 11:06:31 p585122.kvmvps systemd[1]: lsyncd.service: Can't open PID file /run/lsyncd.pid>
Nov 24 11:06:31 p585122.kvmvps systemd[1]: lsyncd.service: Failed with result 'protocol'.
Nov 24 11:06:31 p585122.kvmvps systemd[1]: Failed to start lsyncd.service - SYSV: Lightweight >
lines 1-13/13 (END)

Nov 24 11:09:51 p585122.kvmvps systemd[1]: Starting lsyncd.service - SYSV: Lightweight inotify based sync daemon...
Nov 24 11:09:51 p585122.kvmvps lsyncd[22414]: Starting lsyncd:
Nov 24 11:09:51 p585122.kvmvps systemd[1]: lsyncd.service: Can't open PID file /run/lsyncd.pid (yet?) after start: No such file or dire>
Nov 24 11:09:51 p585122.kvmvps lsyncd[22420]: Error: error loading precompiled runner: runner: version mismatch in precompiled chunk

Doesn't start

aaPanel_Kern

Hi, can you give us your aapanel information? The server makes a snapshot backup first, if possible, please send it to kern@aapanel.com.
It is recommended to fill in the following
Post link:
SSH IP address, account password and port:
aapanel login link address and account password:
Detailed problem description:

No post link will not be able to know which user's information is, and the problem will not be processed

aaP_kantsyrskiy_borislav

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