Hello Group -
We are using drbd/pacemeker/lvm/iscsitarget in our cluster environment. We are
booting our KVM's using openiscsi from the storage cluster. We are trying to
add new resources(drbd0 has 2.9TB, using lvm to breakup into 100GB iscsi
targets).
The goal is to automate this task and create KVM on the fly, add them to the
pacemaker and iscsi configuration, clone a kvm and use the newly logical volume
has the storage device. We are doing this in the following order. Create a new
LV (100GB), clone a KVM; add the crm (pacemaker) configuration, add
/etc/ietd.conf (iscsitarget). At this point the source is already exported,
BUT after starting the KVM and running I/O, a drbd failover will render the
newly create KVM un-useful. Sometimes, both drbd halfs are ending up in
"standalone " mode and it looks like they are no longer know each other...
So I would be interested to find out what we are doing wrong. Any tips would
be helpful. Thank You.
Ralf
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