John, We accomplished this using an inline filter to capture the checksum and size for the entire dump to tape. Then we re-read the tape to see if the tape generated the same checksum and size. That is probably about a good as you are going to get. Ken On Thu, Jun 01, 2006 at 01:57:07PM -0400, John R. Allgood wrote: > Hey Again > > Thanks for the input. but what I am wanting to check for is CRC > errors and block errors. The backups are written to tape and I would > like a way to verify the data on the tape as compared to the data on the > server. I may be way off here but I just want to be sure I am getting > reliable backups. > > Thanks > > Scott Marlowe wrote: > >On Thu, 2006-06-01 at 10:15, John R. Allgood wrote: > > > >>Hello > >> > >> I have a question regarding backups on Postgresql 7.4.7-2. We are > >>currently using a Progress database and will be moving over to Postgres > >>this month. In Progress there is a way to verify your backups does > >>Postgres have anything similiar or is there other ways to accompplish > >>this. I am currently writing backup and other utility scripts and would > >>like to incorporate this into my program. > >> > > > >I wrapped my backup in a bash script, and that seems to catch errors. > >something like: > > > >if !( > > /data01/pg/bin/pg_dump dbname > dbname.sql > > ); > >then > > cat "backup failed"|mail -s "backup failed" yourname@xxxxxxxxxxxxxx; > >fi > > > >To test this, I corrupted a table in a test database to force a hard > >failure, and it sent an email. Don't know if it's a comprehensive test, > >but it seems to work for us. > > > >---------------------------(end of broadcast)--------------------------- > >TIP 1: if posting/reading through Usenet, please send an appropriate > > subscribe-nomail command to majordomo@xxxxxxxxxxxxxx so that your > > message can get through to the mailing list cleanly > > > > -- > All I can think of is a platter of organic PRUNE CRISPS being trampled > by an army of swarthy, Italian LOUNGE SINGERS ... > > > ---------------------------(end of broadcast)--------------------------- > TIP 5: don't forget to increase your free space map settings >
