Richard Tucker wrote: > > We also have implemented a roll forward recovery mechanism. We modified a > 7.2.1 version of Postgres. > The mechanism is designed to provide a means of recoverying from the loss or > corruption of media. It provides for duplicating wal_files so that if a > wal_file is lost roll forward recovery can recover the database using the > duplicated wal_files. Hooks were also added so that the roll forward > recovery mechanism can be used to implement a hot standby database. > Along with the roll forward recovery mechanism we have also implemented an > online database backup utility which is synchronized with the recovery log > so that the backup can be a starting point for a roll forward recovery > session.
In researching who has done this work, I found that http://www.multera.com/ is Progress Software. I assume this "Distributed but Connected" is partly based on PostgreSQL. -- Bruce Momjian | http://candle.pha.pa.us [EMAIL PROTECTED] | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026 ---------------------------(end of broadcast)--------------------------- TIP 3: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly
