Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
> The idea was to keep three identical disks in three server nodes. > Any of the two standby (secondary) nodes could at any time take over > as operative (primary) node. It should also be possible to separate > one node and use it for test purpose with all the dynamic data up to date. > This when still keeping the other two nodes in a primary/secondary > connected configuration. > One of the primary drbd devices could perhaps run diskless, to > avoid a redundant disk device? Software RAID isn't good for data replication. You can read more here: http://wwnew.linux-ha.org/_cache/BusinessContinuity__da.pdf Best Regards Maciej Bogucki