DRBD

Distributed Replicated Block Device

• Homepage
• http://www.asplund.nu/xencluster/page2.html
• Recovering from a DRBD split-brain scenario in heartbeat

• Xen and DRBD

Docs

• Resizing drbd xen lvm (dont worry about the meta-data if that's not internal) (bug it seems wrong, using phy: instead of drbd: )

GFS on DRBD

• http://sourceware.org/cluster/wiki/DRBD_Cookbook
• http://www.piemontewireless.net/Storage_on_Cluster_DRBD_and_GFS2

Cheatsheet

Make device primary

drbdadm primary yourdeviceID

or

drbdsetup /dev/drbdX primary -o