[linux-lvm] kernel hang

[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?
> 
> 
> _______________________________________________
> linux-lvm mailing list
> linux-lvm at sistina.com
> http://lists.sistina.com/mailman/listinfo/linux-lvm

-- 

Regards,
Heinz      -- The LVM guy --

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

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