Re: Postgres Backup Questions

Hey
That sounds like what I would need to do. Could you provide a few
more details about how this was accomplished.

Thanks

John Allgood - ESC

Kenneth Marshall wrote:
> 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(at)yourdomain(dot)com;
>>> 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(at)postgresql(dot)org 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
>>
>>

--
"I thought you were trying to get into shape."
"I am. The shape I've selected is a triangle."