Status: Accepted
Owner: [email protected]
Labels: Type-Defect Milestone-Release2.9 Priority-Medium Component-storage
New issue 516 by [email protected]: Reattach disk for DRBD 8.4 is not
reliable
http://code.google.com/p/ganeti/issues/detail?id=516
DRBD8Dev._SlowAssemble calls DRBD8Dev._AssembleLocal, which in the case of
DRBD 8.4 creates a resource, creates a minor, initializes the meta data
device and then attaches the local disk.
This is too much if the DRBD resource is already present and the meta data
already initializes, which causes problems if the DRBD disk is reactivated
after only the local disk was detached.
Additionally, DRBD8Dev._SlowAssemble checks the status of the disk after
the call to DRBD8Dev._AssembleLocal via a call to drbdsetup show. This does
(maybe) not work reliably if attaching the local disk resulted in
long-running synchronization.
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