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Backup to remote FTP server fails: Curl error: Unable to resume an interrupted upload: (55) Failed sending data to the peer

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5 comments

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    WM Dev

    Can't see "Create a multivolume backup" in Version 18.0.30 Update #3

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    Marko Puskala

    Hi,

    i tried to change volume size to 2000Mb but it wont help, even smaller size does same error. This problem was not before i installed plesk again to  new server. It would be nice to get ftp backup workin.  Seem to have something else wrong now.

    Another thing what im wondering, is that there is told to adjust limits and quotas, so are those limiting administrator / system scheduled backups too (not any sense if are).

    Thanks- 

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    George Alibegashvili

    Hello @Marko Puskala

    In this case, I can suggest submitting a request to our Technical Support: https://support.plesk.com/hc/en-us/articles/213608509-How-to-submit-a-request-to-Plesk-support-

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    SSP

    Same problem here with 4 different servers. Manual copies worked fine, so it is not a problem of size, space... I think is a plesk problem...

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    Agilehost Sales

    We have identified the same issue. What appears to be happening is that Plesk opens the SFTP connection on the target server BEFORE the backup is started. Then Plesk starts the backup process. Once the backup is completed, then Plesk tries to use that same connection to write the files to the target server. However, by this time the SFTP connection has timed out and the connection is closed. The default idle timeout for ProFTPD for example is 10 minutes. I've raised a support request with Plesk #315762 to try and get this feature changed so that the backup is created FIRST and only then is the SFTP connection opened and the backup file written.

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