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From: Ivan Voras <ivoras@freebsd.org>
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Subject: Re: what is g_vfs_done() and error = 6?? how to fix it??
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On 04/04/2011 06:30, binto wrote:
> I got error message&  my server suddenly drop :
>
> g_vfs_done() error = 6
>
> g_vfs_done(): ad10s2a[READ(offset=1348599808, length=16384)]error = 6  anyone can help me please??

This is the wrong list for this question. Better ask on stable@ or 
file-systems@

For error codes, see here: http://man.freebsd.org/errno

ENXIO is usually a serious configuration or hardware error. You need to 
investigate everything related to this drive.