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Re: xfsdump INTERRUPT issue

To: xfs@xxxxxxxxxxx
Subject: Re: xfsdump INTERRUPT issue
From: Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx>
Date: Fri, 07 Dec 2012 15:04:57 -0600
In-reply-to: <20121207101620.GK27172@dastard>
References: <CCE505AA.B05B7%jellis@xxxxxxxx> <50BFF726.6090006@xxxxxxxxxxxxxxxxx> <68036B67-6AE6-4056-89F5-9549B4E476FD@xxxxxxxx> <50C00583.6000804@xxxxxxxxxxxxxxxxx> <6F909666-9DFE-43F1-973D-170B892F9C5B@xxxxxxxxx> <50C0657D.5050903@xxxxxxxxxxxxxxxxx> <20121207101620.GK27172@dastard>
Reply-to: stan@xxxxxxxxxxxxxxxxx
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On 12/7/2012 4:16 AM, Dave Chinner wrote:
> On Thu, Dec 06, 2012 at 03:29:33AM -0600, Stan Hoeppner wrote:
>> On 12/5/2012 9:01 PM, Jeffrey Ellis wrote:
>> BTW, if your goal in all of this is simply copying all the directories
>> and files from one disk to another disk, you could have used "cp -a" and
>> been done already.  It takes longer to execute than xfsdump/xfsrestore,
>> but given you've been at this for many days now, "cp -a" would have
>> already completed--long ago.
> 
> Unfortunately, using cp or rsync is not possible because the
> filesystem has a real-time device attached to it. It's basically a
> ~10GB data device and a ~500GB real-time device. I'd say it's from a
> DVR or something like that, and that Jeffrey is trying to put
> a bigger disk in the DVR....

Ah, yes.  I didn't catch the RT volume.

Incidentally, since the real-time feature has never been fully supported
under Linux, why are DVR manufacturers even using it?  Without GRIO and
the XBOW ASIC the real-time volume is pretty much useless isn't it?

-- 
Stan

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