Bind statement in jcl
Search the Knowledge database by category or using a general search query:. System affinities are represented by a series of bits in a bit mask, each bit representing an LPAR or System.
For example, if affinity to the third LPAR has been specified, only the 3 rd bit is on. If no affinity has been specified, all the bits are on; including the 3 rd bit. It follows, if you want to check for a job that has a specific system affinity for the 3 rd system you cannot just look to see if the 3 rd bit is on.
This won't hurt the dataset unless you actually tell SAS to write to it, but it could cause problems with authorization through RACF or ACF2, especially if the user is accessing a production dataset.
In that case you probably don't want to change the DISP. If it's non-zero, there is a JECL bind. However, it can give rise to tape contention problems when multiple jobs try to access reports that have been archived on to the same tape volume.
No JAL code is required for this to work. However in this case the customer chose to recognize the presence of the JLS ENQ, which signals the fact that this bind statement in jcl a SAR Load job and has a dynamic allocation, and then add the limit for tape drives so that this drive will be included in the current count. Most restart managers insert a step at the beginning of the job which has a parameter designating the step at which to start processing.
This step has a parm field in which the 8th value is the number of the bind statement in jcl at which to restart the job. If the value is other than 0 or 1 we know it's a restart and can therefore give it a higher priority. There are two aspects to setting the priority.
The first is the queuing priority, which is set by a Bind statement in jcl priority for jobs in a JES2 initiator class and by setting the arrival time for jobs in bind statement in jcl WLM initiator class. The second aspect of priority is the service class, which can be modified if required. The result of normalization is to ensure that when someone requests a certain amount of CPU time based on one processor they get an equivalent amount on another CPU of a different speed.
Obviously it depends on the processor the job runs on. If CPU B is used as the baseline your factors would be 0. The problem is explaining this to your user bind statement in jcl. In the previous example, if a user bind statement in jcl 1 minute of CPU and his job runs on CPU C and abends because it tries to use more than 30 seconds, that user will be complaining that he did not get the time he specified, even though he got the equivalent on a faster processor.
One solution might be to use your fastest processor as the baseline CPU C in the above example. Then the factors will always be greater than 1 and a user will always get at least the amount of CPU he requested before abending because of time.
It's true that this approach perhaps allows more CPU time than you or the user are expecting, but is this really important? After all, the real purpose of CPU time limits is to catch jobs looping; they will still be caught, albeit a little bit later. As always, your use of this facility depends on how your shop runs.
If you have chargeback mechanisms your users might prefer not to use this approach. Use your best judgement. The operating system uses the lesser of:. If ever there is a need to shut down all limits of this type for all users, the task can be accomplished with only one command.
Emergency Bypass Mode is permitted for diagnostic purposes and is not intended as a method for continued operation. The way to process an asterisk within any keyword is with the escape character ". Note that the escape character " is not supported in ThruPut Manager tables. The messages below will no longer be highlighted once TM is back up. System Affinity simply tells JES2 that the job is eligible to execute on the listed systems. JES2 selects the job based on class and priority on the next system where the job can execute.
It bind statement in jcl prudent to take a backup of the binding agents using the TM command At the time the changes are being saved the dataset is 'Open for OUTPUT' meaning the dataset cannot be repossessed during that short window.
For this reason repossession methods should be exercised with caution and under well-defined circumstances. To move the TM files, stop TM on all the systems that are using these files, move the bind statement in jcl and then simply bring TM back up. Even then, if TM detects that the device has bind statement in jcl he will ask the operator if he wants to format the VIF.
They can be copied to a different device type and used by TM without being reformatted. The VIF can be moved among identical device types. Please see the SPG: Base Product for complete details. The SDSF facility for entering a block command may be used to alter the class for many jobs.
Redefine your binding agents. Contact Us Corporate Search. Search the Knowledge database by category or bind statement in jcl a general search query: How Do I Do That? H22 - Testing Specific Affinities. For example, code DAL something like this: Here's the skeleton definition: For example, code JAL something like this: The table entry bind statement in jcl look something like this check real restarts in your shop: The operating system uses the lesser of:
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