[DRBD-user] Pointers setting up Active/Passive with async 3rd node

Mikael Hugo mikael at servercentralen.se
Sun Oct 7 23:14:55 CEST 2012

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


Im new to building storage platforms with DRBD, but Ive been using it before for other things.

What I want to do is to build a highly available storage for my Vms running XCP 1.6 (Xenserver).

I would like to do this using iscsi with multi path so I get switch resilience and have a third node as a backup if we make some horrible mistake. I could do NFS too but then resilience would have to be based on adapter switching with some scripts and probably the Vms wouldn't survive that.

I have three 24 disk nodes with infiniband and 6 gig-e each. My plan was to run them with raid10.

Any pointers to good config examples and any opinion you might have on what to do (or not) is happily accepted.

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