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Re: [Xen-API] Failed to create SR with lvmoiscsi on xcp1.6[ [opterr=Logical Volume partition creation error [opterr=error is 5]]


  • To: xen-api <xen-api@xxxxxxxxxxxxx>
  • From: James Bulpin <James.Bulpin@xxxxxxxxxxxxx>
  • Date: Thu, 4 Jul 2013 12:58:34 +0000
  • Accept-language: en-GB, en-US
  • Delivery-date: Thu, 04 Jul 2013 12:58:48 +0000
  • List-id: User and development list for XCP and XAPI <xen-api.lists.xen.org>
  • Thread-index: AQHOeKdLs2Q5p+rB+E2n704U9U+SeZlUeXjA
  • Thread-topic: [Xen-API] Failed to create SR with lvmoiscsi on xcp1.6[ [opterr=Logical Volume partition creation error [opterr=error is 5]]

> BTW, do you know how to share the same LUN on iSCSI target server if the two 
> host servers are located in the different pool?

That cannot be done currently - each pool nominates a single host to be the 
master for each storage repository. This SR master is responsible for updating 
the LVM metadata. If you have two pools pointing at the same LUN then you'll 
get two masters trying to make uncoordinated updates to the same metadata - 
this will lead to corruption sooner or later.

James
  

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