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| Remote Copy: Does it retain the same disk UUID https://3parug.net/viewtopic.php?f=18&t=171 |
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| Author: | zuwairi14 [ Wed Jul 11, 2012 11:28 pm ] |
| Post subject: | Remote Copy: Does it retain the same disk UUID |
Hi, My server team ask me, if I do remote copy to the other side, thus the replicated LUN have the same UUID as the original LUN? They are concern on the UUID changes and might affecting their work. They are using Ubuntu Linux. Any opinion or real life experience on this? Thanks. |
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| Author: | rasser [ Wed Aug 01, 2012 7:52 am ] |
| Post subject: | Re: Remote Copy: Does it retain the same disk UUID |
Hi, No, you have to check that the WWN id are the same. You can do this by login the primary site using CLI. Type: showvv -showcols Id,Name,VV_WWN VV_name (name of youre LUN) Then record the WWN id and login to your second site, where you are able to set the same ID using this command: setvv -wwn 50002AC0015B20BF (name of youre LUN) Ps.: the ID above (50002AC0015B20BF) is an example. Hope this helps? |
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