Thanks for the hint Simone, I may try the shortcut.

Alternatively would it be possible to use LVM tools VGExtent - PVMove and then remove to old LUN?

Do you see any problem when using LVM? This could even be done on a running system...

regards,

Arsene

On Fri, 2018-05-18 at 09:23 +0200, Simone Tiraboschi wrote:

Hi,

the proper way is trough backup/restore following https://www.ovirt.org/documentation/self-hosted/chap-Backing_up_and_Restoring_an_EL-Based_Self-Hosted_Environment/

If you want to try a shortcut, I'm pretty confident that if both the source FC LUN and the target one are correctly mapped on the relevant hosts, you could simply:

- set global maintenance mode

- shutdown the engine VM

- stop ovirt-ha-agent and ovirt-ha-broker on all the involved hosts

- copy the source LUN content over the target LUN with dd

- filter out the source LUN at multipath level

- restart the relevant services

On Wed, May 16, 2018 at 3:31 PM, Arsène Gschwind <arsene.gschwind@unibas.ch> wrote:

Hi,

We are running HE on a separate FC LUN on a storage system which needs to be replaced, what would be the best method to move / copy that LUN to another FC LUN?

Do we need to redeploy HE with backup/restore DB?

Thanks for any hint.

regards,

Arsène

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Arsène Gschwind    
Fa. Sapify AG im Auftrag der Universität Basel
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-- 



Arsène Gschwind    
Fa. Sapify AG im Auftrag der Universität Basel
IT Services
Klingelbergstr. 70 |  CH-4056 Basel  |  Switzerland
Tel. +41 79 449 25 63  |  http://its.unibas.ch
ITS-ServiceDesk: support-its@unibas.ch | +41 61 267 14 11