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Re: [Help-tar] tar on Fedora to Drobo failing with Cannot close: Input/o


From: Pavel Raiskup
Subject: Re: [Help-tar] tar on Fedora to Drobo failing with Cannot close: Input/output error /bin/tar: Exiting with failure status due to previous errors
Date: Mon, 27 Feb 2017 18:10:43 +0100
User-agent: KMail/5.3.3 (Linux/4.9.10-200.fc25.x86_64; KDE/5.29.0; x86_64; ; )

On Monday, February 27, 2017 11:49:54 AM CET Robert Kudyba wrote:
> This happens on 1 Fedora 25 workstation backing up a tar to a Drobo NAS. 
> ERROR OUTPUT:
> /bin/tar: /ourserver/etc-new.tgz: Cannot close:
> Input/output error
> /bin/tar: Exiting with failure status due to previous errors

The 'close()' syscall returned non-zero value and errno was set to EIO
That sounds like some underlying issue with your hardware.

> in dmesg I do see occasional errors like this:
> 
> [Mon Feb 27 01:13:19 2017] CIFS VFS: Error -11 sending data on socket to 
> server
> [Mon Feb 27 01:46:41 2017] CIFS VFS: Server ourdrobo has not responded in 120 
> seconds. Reconnecting...

This might be related (I'm not familiar with your hardware/setup) if CIFS
is used to support your hardware.  It is unlikely tar would be able to
recover from such issues if no underlying layer does so.

I would be cautious to ignore such issue as your backup might be
incomplete.  So failing the whole backup process makes sense to me.

Pavel




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