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Add initial collector

Intuit II uses a set of attributes to hold normalized data samples that can be obtained from a wide range of devices of different models from different vendors while some of the SNMP MIBs from which this data is obtained our industry standard and supported by all vendors there are many items that can usually only be gathered from vendor proprietary MIBs which naturally differ between vendors some examples of components for which polling of proprietary MIBs is often required are the device model serial number processors memory and fans the specification of the attributes on objects and streams defines the meaning of the data whereas the actual polling of the SNMP data to populate each attribute is performed under the control of a collector in order that different SNMP requests can be issued to different makes and models of devices to obtain the same type of information Intuit II allows multiple collectors to be associated with each attribute on the initial attempt to populate an attribute that has multiple collectors the collector with the highest priority setting is considered first if filter setting is then checked in the context of the object on which the attribute is located and if it returns a boolean true the collector method is executed to obtain the attribute contents if either the filter returns false or the method returns a null this collector is skipped and the collector with the next lower priority setting is examined this sequence continues until either a collector successfully returns a value or the list of available collectors is exhausted the successful collector is recorded so the next time the attribute needs to be polled the same collector can be reused without having to reattempt the whole sequence again the sequence will be reassessed from time to time under the control of the storm worst discovery mechanism so changes to the devices that affect the way in which they should be polled will be accommodated on occasions you may encounter an example of a managed device where some of its attributes such as the model or serial number or sub components such as fans power supplies processors or memory pools are not being populated despite their being suitable data available from the mids supported by that device the annuity device certification team can usually provide an additional configuration file to address such an issue provided they're sent an SMP dump of the device and have access to the vendors mid definition files however the user-defined polling system allows such changes to be made without the assistance of annuity engineers and I'm going to show you an example of how this can be done I have a wireless access point under management that was manufactured by error hive there's no CPU or memory utilization statistics being displayed and the single number is blank I know that all three of these items were available from one of the vendor MIBs so this is an example of where an additional collector can address the shortfall I'm going to focus on the single number for this tutorial I've selected the user-defined Halling page from the administration menu and chosen the collectors tab the attribute that I'd like to update is the seal number which is an object attribute I've selected that option from the category menu there are no existing user-defined collectors for object attributes on this system and it's a good idea to specify what type of object the new attribute is to be defined for at this point I'll select the autonomous wireless access point now it's time to bring up a dialogue to add a new collector an existing device that needs to new collector now needs to be selected you can either simply click the search button to display all your managed devices or enter a substring from its name to limit the search before clicking the button this is the device I'll be using you'll see that the object type has already been correctly defined so the next step is to select the appropriate attribute which is the serial number this is a good point to enter a suitable name for this collector which needs to be unique and it's wise to make it obvious what its intended to achieve the name should begin with UD underscore and then I'll add arrow hive serial number it's a good idea to enter a description to help others who may need to make changes at a later date to find the SNMP ID I'll click the Browse button the vendor proprietary or Enterprise MIPS are located under the Private mid branch you can see that it's currently empty I'm going to need to load a mil from the vendor which in this case is arrow hive to make them if available to be loaded I'll first import it into the list that can be achieved using the managed MIPS function I already have a copy of the myth and this allows it to be uploaded from my desktop to the intuitive server this is the MIT file that I contains voids that I'm looking for it can then be selected and parsed by clicking the load button in this case the pausing failed but if you look at the results you'll notice that it's complaining that it needs to include another MIT file so I'll import that one as well before trying the load operation again only the primary mill should be selected before clicking the load button this time the load was successful and I can close this dialogue to continue deposit branch you can now see the new arrow hive nib so I'll select it I'll use the find feature to search this map for the first entry containing serial in its name and the description confirms the as this is a scalar which means there's only one entry and it's not a table of values which would have been indicated with an icon like this I'll use the get function to read its value from the selected device this looks like a possible serial number as this is a scaler I'll leave the index set to none if some manipulation of the result needed to be performed to format it properly that could be achieved by modifying the method statement but I don't need to in this case the filter statement has been automatically configured to limit the scope of this collector to only apply to this vendors devices if that's not what you want then it can be modified the priority setting is only relevant when multiple user defined collectors are applied to the same attribute as the one with the highest priority setting will be evaluated first in my case I only have one collector to this attribute on this type of device so I don't need to adjust it the last item is the transform setting which allows different enumeration schemes to be normalized but as this is not an enumerated oyd it can be ignored clicking okay adds the newly defined collector to the list and it will take effect as soon as that attribute is next polled here's the end result and you can see that the serial number is now being properly populated with the newly obtained value