arnold at arnoldarts
Jan 8, 2012, 11:38 AM
Post #2 of 3
On Sunday 08 January 2012 15:34:29 Maurizio Marini Gmail wrote:
Re: can i clone primary after failure of secondary?
[In reply to]
> We have two Dell 1425 servers running CentOS 5.4, with RAID5, 3 disks
> in each one,
> and drbd 8.3 between them.
> We see a disk failure on _all_ 3 disks on the secondary node.
> The disks were sent us to new by Dell.
> We could at this point clone the 3 disks of the primary node, using
> the controller,
> without booting CentOS (not sure if this will work though).
> Then we can put the 3 cloned disks in the secondary node, switch on
> the primary first,
> then switch on the 2nd but keeping it disconnected.
> We could change the network configuration on the 2nd node before
> reconnecting it to the network.
> We're very worried about the drbd partitions metadata being the same
> on each node:
> does this method have any chance of success, or are we wasting our time?
This is essentially a truck-based-replication, so it should be solvable by
"just" looking at the relevant part of the docs...
Have a nice week,