Re: {bb} Backup test(s)

[Sean MacGuire <sean@maclawran.ca>]

Kauffman, Tom wrote:
> I’ve got an application that has burned me a couple of times of late. 
> We’re using IBM’s TSM for SAP/R3 (or MySAP.com as it is now being 
> branded) to back up a 1.2 TB database nightly. There have been a couple 
> of times when the backup has ‘hung’ and never completed – and subsequent 
> backups never start, because there’s one ‘in process’.
>
> How are the rest of you handling this sort of test? Code the BB 
> start/finish within the backup script and page on purple if it runs 
> long? Run a BB process that checks the status externally from logs or 
> the running process list?
>
> Robert, Sean – what are you doing with the ‘bkp’ test you show on your 
> demo install?

There are a few ways to handle this, depending on what backup
software you're using.  Legato had a way to send a command at
the start of a backup, then at the end of the backup so it was
pretty easy - do something like:

At the beginning of your backup, send:
$BBHOME/bb 123.123.123.123 "status+XXX machine,bkp clear `date` Backup 
Started"

At the end of the backup send:
$BBHOME/bb 123.123.123.123 "status+1440 machine,bkp green `date` Backup 
Done"

The trick is that XXX above should be the number of minutes your
backup should take, less 30 minutes (purple default time), plus a fudge 
factor (for longer/shorter backups).

If the backup completes OK, the second message (valid for a whole day) 
is sent to BB... this second message could/should also parse through the
logfiles (or check the return code) of the backup process and change 
color accordingly with the appropriate message (my favorite - no tape in 
drive).
--
Sean MacGuire                                 sean@maclawran.ca

icbm --> 45'31.06N-73'35.19W                    +1 514 996 4638
The best way to predict the future is to invent it. -  Alan Kay
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