Re: [linux-lvm] kernel hang

[Heinz Mauelshagen t-online de (Heinz J. Mauelshagen)]

On Fri, Dec 01, 2000 at 02:00:29AM +0100, Jan Niehusmann wrote:
> 
> Is there something wrong with doing 
> while true; do dd if=/dev/zero of=/dev/vg1/test; done
> and
> lvextend -L+90M /dev/vg1/test
> 
> at the same time?

No.
The extension of the LV is done in an atomic way.

> 
> It caused a system hang (no messages, no log) on linux-2.4.0-test12-pre3
> (with ext2 online resize patches, but there obviously was no filesystem 
> on the volume)

Did you experience other heavy load hangs in general?

> 
> Jan
> 
> 
> PS: Andreas, perhaps the errors I saw were not ext2 related. Maybe the 
> kernel doesn't like writing to the device and resizing it at the same time?
> 
> 
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> http://lists.sistina.com/mailman/listinfo/linux-lvm

-- 

Regards,
Heinz      -- The LVM guy --

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Heinz Mauelshagen                                 Sistina Software Inc.
Senior Consultant/Developer                       Bartningstr. 12
                                                  64289 Darmstadt
                                                  Germany
Mauelshagen Sistina com                           +49 6151 7103 86
                                                       FAX 7103 96
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