Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Mon, Jul 16, 2007 at 12:04:53PM +0200, Gaetano Mendola wrote: > Hi all, > I'm already successfully using DRDB to keep synchronized > two Postgresql database, with the engine active on the > primary node. > > I have another service already going and I need to > create a redundancy configuration, is it possible to make > the already going partition as a primary for a new cluster > (I will create the secondary node ofc) without stop the > engine to use the partition on the primary node ? > Otherwise I'm obliged to stop the service while I setup > the cluster, I'd like to avoid the service interruption. > > > Regards > Gaetano Mendola depending on where that data lives now, it may be possible to move drbd in "silently"... if you are on lvm2 already, and want to drbd a complete lv, and you have one currently unconfigured slot free in drbd, you can suspend the dm corresponding to the lv, create a new identical mapping, put drbd on top of that (with external meta data!) and force it primary, then change the original mapping to a simple linear mapping on top of drbd, and resume... If you don't know how to do that, don't. There are too many ways to screw up really badly here. -- : Lars Ellenberg Tel +43-1-8178292-0 : : LINBIT Information Technologies GmbH Fax +43-1-8178292-82 : : Vivenotgasse 48, A-1120 Vienna/Europe http://www.linbit.com : __ please use the "List-Reply" function of your email client.