sd 4:1:0:0: rejecting I/O to offline device

ML mail mlnospam at
Wed Sep 28 04:41:51 CDT 2011

Hi Jama,

Good remark, I have now added the following to my /etc/rsyslog.conf file:


in order to log everything to our central loghost. Hopefully I will see there some more useful information when the crash happens again.


----- Original Message -----
From: Jamma Tino Schwarze <linux-poweredge.lists at>
To: linux-poweredge at
Sent: Wednesday, September 28, 2011 11:30 AM
Subject: Re: sd 4:1:0:0: rejecting I/O to offline device

On Wed, Sep 28, 2011 at 09:56:26AM +0100, George Hills wrote:
> On 27/09/11 22:24, ML mail wrote:
> > rejecting I/O to offline device
> Usually that means the RAID device has failed. If that were the case,
> you'd hopefully have quite a lot of information in the syslog from just
> before it locks up telling you about what's going on?

I'd suggest using remote syslog in such cases. If the drive fails where
the syslog is, you see nothing.


"What we nourish flourishes." - "Was wir nähren erblüht."

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