[dm-devel] Re: preventing block I/O to EMC CLARiiON LUNZ paths

Christophe Varoqui christophe.varoqui at free.fr
Fri Aug 11 07:11:29 UTC 2006


On Tue, Aug 08, 2006 at 10:22:45AM -0400, egoggin at emc.com wrote:
> Christophe,
> 
> This patch simply reports a PATH_DOWN status for paths to an EMC CLARiiON
> LUNZ (or an unbound) block device since these paths cannot possibly be used
> to issue I/O to such a device.  In fact, allowing block I/O to a LUNZ
> dm-multipath device will cause the process to hang until the no_path_retry
> timeout is incurred.  This is not desirable.
> 
Applied locally.
Thanks.

cvaroqui




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