RE: [dm-devel] Reloading multipathd?

["Paul Cote" <paul cote incipient com>]

>could you tell me how to do that? 

You can use the 'rescan SCSI Bus" script found at:
http://www.garloff.de/kurt/linux/

Optionally; if you have FC HBA's ... Emulex and Qlogic both have their
home grown rescan scripts as well.

>and does a rescan have any effect on already active LUN's?

No.

-----Original Message-----
From: dm-devel-bounces redhat com [mailto:dm-devel-bounces redhat com]
On Behalf Of S. J. van Harmelen
Sent: Wednesday, November 07, 2007 10:19 AM
To: device-mapper development
Subject: RE: [dm-devel] Reloading multipathd?


On Wed, 2007-11-07 at 08:33 -0500, Paul Cote wrote:
> Did you do a rescan so that the O/S "sees" the new LUN?

Nope... Could you tell me how to do that? And does a rescan have any
effect on already active LUN's?


> If so; simply do
> a multipath -v2 to build the new path list.
> 
> -----Original Message-----
> From: dm-devel-bounces redhat com [mailto:dm-devel-bounces redhat com]
> On Behalf Of S. J. van Harmelen
> Sent: Wednesday, November 07, 2007 8:08 AM
> To: device-mapper development
> Subject: [dm-devel] Reloading multipathd?
> 
> Hi...
> 
> I just added another LUN on our storage (MD3000). But now that I run 
> multipath -ll I don't see the new LUN.
> 
> Do I need to reload something (like /etc/init.d/multipath-tools reload

> maybe)? And if so, can I do this without it interrupting the 
> connectivity of the other (production) LUN's?
> 
> Sander
> 
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