Laimutis, if you want to go for filesystem-mirroring solutions to implement HA, you might have a look at Linux's drbd. See: http://www.drbd.org/ A large European hosting provider uses Linux and drbd to provide a low-cost (yet robust) HA solution to their customers. Cheers, Uwe On 23.05.2011 10:25, Laimutis.Nedzinskas@xxxxxx wrote: >> Jorgensen, Finn >> You can do what everybody did before DG was available (i.e Oracle 7 & 8) : > write your own set of scripts that ships archivelogs to the standby server > where you have a database in mount mode and another script that looks for > archived logs to arrive and then performs recovery. > ... > Does there exist some pure man's file system metro-mirroring solutions? -- //www.freelists.org/webpage/oracle-l