ADSM-L

Re: [ADSM-L] How to schedule new task in case of previous one completed

2012-12-25 15:08:47
Subject: Re: [ADSM-L] How to schedule new task in case of previous one completed
From: Chavdar Cholev <chavdar.cholev AT GMAIL DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Tue, 25 Dec 2012 21:54:17 +0200
Hi,
as I mentioned, put in presched .bat file that runs RMAN backup and
once it is finished run backup  of the files produced by RMAN ...
It works, I am using ....

On Tue, Dec 25, 2012 at 7:56 AM, Roger Deschner <rogerd AT uic DOT edu> wrote:
> Not all commands have a WAIT=YES option available. If the command has
> WAIT=YES, use it. It's really the easiest way. PITFALL: A TSM script
> containing a long-running command with WAIT=YES should never be run from
> a live console, not even for testing and debugging. It should only be
> started by an administrative (T=A) schedule. If you accidentally start
> it from a live dsmadmc console session, your terminal session will be
> stuck until it finishes. Attempts to break out can result in an infinite
> loop on your client machine. Last time I did this, my SSH client crashed
> and it was ugly. Unix tricks like <ctrl>Z and bg don't work.
>
> One in particular which lacks WAIT=YES that I have posted here in the
> past is AUDIT VOL. I had to invoke it from a Unix script that loops with
> a 60-second sleep that checks if it's still running, and if it is no
> longer there, it queries the actlog to see if it ended OK.
>
> Crude, but it works.
>
> Roger Deschner      University of Illinois at Chicago     rogerd AT uic DOT 
> edu
> =================== Beware of Geeks bearing grifts. ====================
>
>
> On Mon, 24 Dec 2012, Nick Laflamme wrote:
>
>>On Dec 24, 2012, at 12:31 PM, nkir <tsm-forum AT BACKUPCENTRAL DOT COM> wrote:
>>
>>> Thank you! I know about these options. But how exactly I can apply them?
>>> How to check that DB backup was successful and I can proceed next task?
>>>
>>> +----------------------------------------------------------------------
>>> |This was sent by knikonor AT gmail DOT com via Backup Central.
>>> |Forward SPAM to abuse AT backupcentral DOT com.
>>> +----------------------------------------------------------------------
>>
>>I'm not sure what you mean by "these options," so I'll start with the obvious 
>>ones and let you tell us if these are what you already know.
>>
>>Presumably you're talking about running a script as an administrative 
>>schedule.
>>
>>Scripts can run in two modes: parallel and serial. If you want to make sure 
>>one command finishes before another starts, you must be in serial mode. Also, 
>>my observations make me doubt that serial mode is honored if a script calls 
>>another script.
>>
>>A script can branch based on the return code from a command. One way to do it 
>>would be to branch for a successful backup, where the non-branch code-path 
>>would be a very general error routine. Alternately, you could branch on 
>>various return codes you expect to get and have different error routines for 
>>each error, but that is more than I do.
>>
>>Finally, remember that many commands by default run in the background. BACKUP 
>>DB by default only tells you that it started. If you want to wait for it to 
>>finish and check its return code then, you need to use the WAIT=YES option on 
>>it. This is true for many long-running administrative commands.
>>
>>Nick