Re: [sshfs] reconnect issue?

[Miklos S. <mi...@sz...>]

> For quite some time now I'm desperately trying to set up a raid backup
> server via sshfs, however after transferring an arbitrary amount of data
> the backup script stops and the sshfs debug output looks like this (I
> just included the interesting parts):
> 
> ...
>    [206839]         STATUS       28bytes (7688ms)
>    [206840]         STATUS       28bytes (7688ms)
> debug2: channel 0: window 216 sent adjust 4096
>    [206841]         STATUS       28bytes (7688ms)
> debug2: channel 0: rcvd eof
> debug2: channel 0: o
>    [206843]         STATUS       28bytes (7688ms)
>    [206844]         STATUS       28bytes (7688ms)
> ...
> debug3: channel 0: will not send data after close
> ...
> debug1: Exit status 255
> ...
> write: Broken pipe
>     unique: 244261, error: -5 (Input/output error), outsize: 16
> ...
> 
> Looking at the log messages it seems the underlying ssh channel closes
> because an eof is received, subsequently generating IO errors in the
> sshfs binary. Any hints on that?
> 
> Usually the reconnect option works as expected when I manually try to
> list or copy some files to/from the server after the failure. So the
> question remains, why isn't sshfs reconnecting when receiving IO errors?

Reconnect does not restart any operations which have been sent before
sshfs senses the diconnection.

Disconnection usually happens because of a timeout, so your case is
strange in this respect.  Do you have any idea why the server disconnects?

Miklos