[DRBD-user] Node rollback

Stefan Seifert nine at detonation.org
Sat Nov 29 21:24:20 CET 2008

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


On Saturday, 29. November 2008, devlists at soscpd.net wrote:

> > How would that be possible when the data is already overwritten? If the
> > nodes
> > already resynced using the older state, your data is gone.
>
> As far as I remember, AVS can handle rollbacks. Just can't see why drbd
> can't do the same.

Different layers. DRBD is best compared to a networked RAID 1. AVS (if you 
mean Sun StorageTek Availability Suite) is like a combination of DRBD and 
LVM.

> At that point, I didn't know. That's... mmm... not why people ask
> questions?

Nothing bad about that. But as the DRBD documentation is clearly lacking in 
your case, maybe you have some ideas how to improve it, so it's more clear in 
cases like this.

Regards,
Stefan



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