Load problems after disk replacement on a ocfs2 and drbd system.

Recovering / Resyncing a distributed DRBD dual primary Split Brain – [servera] has a different data from [serverb]

Disk write speed testing different XenServer configurations – single disk vs mdadm vs hardware raid

Setting up DRBD with OCSF2 on a Ubuntu 12.04 server for Primary/Primary

Setting DRBD in Primary / Primary — common commands to sync resync and make changes