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Re: xfsdump INTERRUPT issue

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: xfsdump INTERRUPT issue
From: Jeffrey Ellis <jellis@xxxxxxxx>
Date: Sun, 2 Dec 2012 16:16:09 -0500
Cc: "xfs@xxxxxxxxxxx" <xfs@xxxxxxxxxxx>
In-reply-to: <20121202211023.GF12955@dastard>
References: <CCDF949D.B03CC%jellis@xxxxxxxx> <20121202211023.GF12955@dastard>
Ah :)

Ok, I'll skip dmesg and add xfs_info. And I'll make sure to post everything 
Monday. 

Thanks again :)

Best,
J. 

On Dec 2, 2012, at 4:10 PM, Dave Chinner <david@xxxxxxxxxxxxx> wrote:

> On Sat, Dec 01, 2012 at 11:03:57AM -0500, J. Ellis wrote:
>> I'm trying to prepare a question regarding an xfsdump INTERRUPT error I'm
>> getting, and I'm trying to follow the guidelines for reporting such issues
>> here:
>> 
>> http://xfs.org/index.php/XFS_FAQ#Q:_What_information_should_I_include_when_r
>> eporting_a_problem.3F
>> 
>> But these last two instructions I'm having a problem finding the information
>> on how to generate:
>> 
>> 
>> xfs_info output on the filesystem in question (I tried xfs_info /dev/sdc,
>> but it keeps saying for each drive that it's not a mounted xfs system IIRC)
> 
> $ man xfs_info
> ....
>    xfs_info [ -t mtab ] mount-point
> ....
> 
>> dmesg output showing all error messages and stack traces
> 
> Run the dmesg command....
> 
>> Then you need to describe your workload that is causing the problem, and a
>> demonstration of the bad behavior that is occurring. If it is a performance
>> problem, then 30s - 1 minute samples of:
>>    1.    iostat -x -d -m 5
>>    2.    vmstat 5
>> 
>> 
>> Do I run this simultaneously while xfstools are working? I'm also not sure
>> what's meant by describe your workload. Can someone step me through this?
> 
> Do you have a performance problem? I don't think you have - your problem is
> that xfsdump is failing for some reason - so this information is
> unnecessary.
> 
> As to your workload, your problem is xfsdump is failing for some
> reason. Hence we need to know roughly what xfsdump is running on.
> i.e. describe the directory structure/filesystem contents being
> backed up....
> 
> BTW, don't expect responses to questions in a hour late on friday
> night/weekends - if you are lucky someone will be in front of their
> computer over a weekend, sometimes you are not so lucky...
> 
> Cheers,
> 
> Dave.
> -- 
> Dave Chinner
> david@xxxxxxxxxxxxx
> 
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