<div dir="ltr">I debug fuse mounts by running glusterfs binary directly with the below command. I find it works best to incorporate this command into a test script.<br><div><br></div><div>'glusterfs --volfile-server=$onevolumeserver --log-file=$logfile --log-level=$level --volfile-id=$volname $mountpoint`<br></div><div><br></div><div>I like to use '--no-daemon', or the '--debug'[1]. For $level, start with DEBUG, then try TRACE. TRACE is _very_ verbose.</div><div><br>For more info, see: 'glusterfs --help' or 'man glusterfs'.<br><br>The mount.glusterfs handler may be reviewed via: 'less -S $(which mount.glusterfs)'<br><br>[1] Run in debug mode. This option sets --no-daemon, --log-level to DEBUG, and --log-file to console.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Jan 13, 2017 at 7:25 AM, Stephen Martin <span dir="ltr"><<a href="mailto:sm@hypersrv.com" target="_blank">sm@hypersrv.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">None that I am aware of, would I be looking in Gluster logs to see EIO?<br>
<br>
I had a look at the source code for fuse_writev_cbk to see if I could give me some hints as to where the issue is however no joy.<br>
<br>
Would there be somewhere that would tell me what operation is failing what file etc? Maybe I can turn up logging level.<br>
<div class="HOEnZb"><div class="h5"><br>
> On 13 Jan 2017, at 12:14, Mohammed Rafi K C <<a href="mailto:rkavunga@redhat.com">rkavunga@redhat.com</a>> wrote:<br>
><br>
> the writes might have failed with EIO. Was there any network failure<br>
> back and forth ?<br>
><br>
><br>
> RafI KC<br>
><br>
><br>
> On 01/12/2017 07:50 PM, Stephen Martin wrote:<br>
>> Hi looking for help with an error I’m getting.<br>
>><br>
>> I’m new to Gluster but have gone though most of the getting started and overview documentation.<br>
>><br>
>> I have been given a production server that uses Gluster and although its up and running and fuctioning I see lots of errors in the logs<br>
>><br>
>> [2017-01-12 13:19:37.326562] W [fuse-bridge.c:2167:fuse_<wbr>writev_cbk] 0-glusterfs-fuse: 5852034: WRITE => -1 (Input/output error)<br>
>><br>
>> I don't really know what action caused it, I get lots of these logged how can I start a diagnostic?<br>
>><br>
>> Thanks<br>
>><br>
>> .<br>
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