xfsdump INTERRUPT issue

Jeffrey Ellis jellis at dhnet.us
Fri Dec 7 10:15:30 CST 2012


That's it exactly. You mean I could use xfs_rtcp?

Best,
J. 

On Dec 7, 2012, at 5:16 AM, Dave Chinner <david at fromorbit.com> 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....
> 
> Hence there are various DVR forums that suggest xfsdump/xfsrestore
> is the best method for copying such filesystems to a larger disk.
> I'd guess that people haven't found xfs_rtcp, or maybe they saw the
> caveat in the man page(*) and didn't use it....
> 
> Cheers,
> 
> Dave.
> 
> (*) CAVEATS
>       Currently, realtime partitions are not supported under the
>       Linux version of XFS, and use of a realtime partition WILL
>       CAUSE CORRUPTION on the data partition. As such, this command
>       is made available for curious DEVELOPERS  ONLY at  this
>       point  in time.
> 
> -- 
> Dave Chinner
> david at fromorbit.com
> 
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