Re: WRITE => -1 (Input/output error)

[Stephen Martin <sm@xxxxxxxxxxxx>]

Thanks thats excellent. I will give it a go over weekend.

Much appreciated.

On 13 Jan 2017, at 16:04, Ben Werthmann <ben@xxxxxxxxxx> wrote:

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.

'glusterfs --volfile-server=$onevolumeserver --log-file=$logfile --log-level=$level --volfile-id=$volname $mountpoint`

I like to use '--no-daemon', or the '--debug'[1]. For $level, start with DEBUG, then try TRACE. TRACE is _very_ verbose.

For more info, see: 'glusterfs --help' or 'man glusterfs'.

The mount.glusterfs handler may be reviewed via:  'less -S $(which mount.glusterfs)'

[1] Run in debug mode.  This option sets --no-daemon, --log-level to DEBUG, and --log-file to console.

On Fri, Jan 13, 2017 at 7:25 AM, Stephen Martin <sm@xxxxxxxxxxxx> wrote:

None that I am aware of, would I be looking in Gluster logs to see EIO?

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.

Would there be somewhere that would tell me what operation is failing what file etc? Maybe I can turn up logging level.

> On 13 Jan 2017, at 12:14, Mohammed Rafi K C <rkavunga@xxxxxxxxxx> wrote:
>
> the writes might have failed with EIO. Was there any network failure
> back and forth ?
>
>
> RafI KC
>
>
> On 01/12/2017 07:50 PM, Stephen Martin wrote:
>> Hi looking for help with an error I’m getting.
>>
>> I’m new to Gluster but have gone though most of the getting started and overview documentation.
>>
>> 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
>>
>>    [2017-01-12 13:19:37.326562] W [fuse-bridge.c:2167:fuse_writev_cbk] 0-glusterfs-fuse: 5852034: WRITE => -1 (Input/output error)
>>
>> I don't really know what action caused it, I get lots of these logged how can I start a diagnostic?
>>
>> Thanks
>>
>> .
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