[DRBD-user] Order for dis/enabling DRBD two-primary when planning network works...

Felix Frank ff at mpexnet.de
Thu May 19 09:32:12 CEST 2011

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


Hi,

On 05/18/2011 05:41 PM, Daniel Meszaros wrote:
> 1. Make a side secondary.
> 2. drbdadm/detach the secondary side.
> 3. Stop DRBD on secondary side.
> 4. Power down the switch, mount the GBICs, power up the switch.
> 5. Start DRBD on the secondary side.
> 6. drbdamd/attach the secondary side.
> 7. Wait until both are in sync.
> 8. Make both primary again.
> 
> Can you confirm or tell me if I forgot a thing?

This looks okay, but
1. use drbdadm up+down instead of attach+detach
2. no need to stop and start DRBD (i.e. unload/load the module) so long
as the resources are in fact down (via drbdadm)

Cheers,
Felix



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