[DRBD-user] LVM on top of DRBD8

Robert Heinzmann (ml) reg at elconas.de
Tue Aug 12 08:22:36 CEST 2008

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

Usually drbd is not acivated in the initial ramdisk, so when the lv 
vgscan command runs in the initial ramdisk, the drbd device is not 
active yet - thus it does not detect the PV - normal behaviour. In most 
instalatons the cluster manager (e.g. Heartbeat) will take care of 
activating the volume group on drbd0 and mouning file systems. If you do 
not use a cluster manager, you can use your own init script to activate 
the LVM's on drbd and make sure this init script is called after drbd's 
init script.

> this is a very odd behaviour.
> suggestions?

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