Drvconfig not creating instances for my pseudo-driver

Hi,
I have written a pseudo driver which intercepts writes to the disk.
My problem is - my driver should create new minor nodes for the new disks being added without bringing the the driver down and installing it again. Bringing the driver down and installing it works perfect, but i will be losing the data.
Observation:-
when i do drvconfig on solaris.....it is triggering SD(SCSI disk driver) to create device special files.
if SD has already created device special files for disk1, then when i add another disk(daisy chain)....i did drvconfig....which again triggers SD to create device special files for this new disk. This is absolutely perfect.
But drvconfig is not triggering my pseudo driver to create new instances for new disks.
drvconfig is triggering my pseudo driver only if it is not added by add_drv i.e. pseudo driver is not installed. Once my driver is installed, then drvconfig is not at all triggering pseudo driver but triggers SD.
I need to fix this customer requirement of adding new disks when pseudo driver is installed....my pseudo driver should see dynamically added new disks.
One more question.....is there a way to trigger kernel to call pseudo drivers attach entry point? this will also help me to solve my problem.
I tried to create minor nodes thru the ioctl entry point, but my driver is dumping.
Please help me and let me know ASAP. This would be a great help to me.
thanks
regards
kiran
925-875-8157(w)

thanks Jienhua...!!
i tried it already 2days ago....but i am getting an error "missing parent or class"....
When drvconfig is triggering SD, why not pseudo driver?
Can you suggest any way to create minor nodes for the new disks? Is there a way to cause kernel to call attach routine ?
Please take a look at this and let me know.
          instances_per_driver=256
          driver_count = 4
          driver_name1= �sd�
          driver_name2= �ssd�
          driver_name3=�dad�
          driver_name4=�rdriver�
          instance_bits4=10
          instance_shift4=4
          name=�wi� parent=�pseudo� instance=0;

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Hi There !
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An error occurred during activation of changes, please see the log for details.
weblogic.application.ModuleException:
weblogic.common.ResourceException: Could not create pool connection. The DBMS driver exception was: null
Connection is successful using test configuration.
Weblogic Version am using is 10.3.
Please help.
Thanks,
Arun

Hi. That means the JDBC driver you specified threw a NullPointerException
when we tried to make a connection with it...
Can you show the XML file for the DataSource? It's in the domain's
config/jdbc directory.

Can not create activity for a workspace in the DTR

Hi there,
I am trying to get familiar with the DTR which comes with the WAS 6.40 SP9.
I figured out how to create a workspace. Now I try to create a project at this workspace. Therefore an activity is necessary. The NW Developer Studio (perspective DTR with admin-plugin activated) tells me that an activity was created but there is none.
Thus, i tried to create an activity with the DTR Shell. At first the shell tolds me that an activity was created but a second later it showed me the following error:
Could not create the requsted activity.Set client properties on activity failed: Internal Server Error.
I tried to find some logfiles and at the SAP Management Console at the database i found an error which occurs when i try to create an activity:
ERR 51080 SYSERROR -9041 BD Index not accessible
Have anybody an idea how to solve this problem?

I guess you are using MaxDB as the database.
The error message indicates that some database indexes could have got corrupted in your database.
To check this, you the MaxDB Database Manager. Go to
Instance->Tuning->Index Use. Provide the table owner (SAP<SID>DB) and click on 'Search' on the tool bar. It lists you all the indexes for the owner. The last column shows if there are any bad indexes.
If indeed there are bad indexes, then you can recreate them via Instance->Recovery->Index. Provide the table owner, table and index name and click on 'Recovery'.
-Girish

How flex will create instances for components ?

Hi All,
           I have a small doubt about the creation of instances of components.
                    I have a scenario where i have a datagrid with 100 records. each record having one itemrenderer i.e check box. so as per 100 records there may be 100 checkboxes in datagrid... But In My datagrid the visible records are only 20.. and i need scroll the datagrid..
           so what my questions is weather flex creates all 100 checkbox instances for 100 records or it will create only visible 20 checkboxes for 20 records..? I think u r getting my point?
                   Same scenario will applicable to viewstack also??
           Explanation appreciable..

@Flex4 ..Yes it will create all the 100 records in DataGrid...
Coming to ViewStack...the creation varies on the creationPolicy property of the ViewStack container...
Containers with multiple views, such as the ViewStack and Accordion, do not immediately create all of their descendants, but only those descendants that are visible in the initial view. Flex defers the instantiation of descendants that are not initially visible until the user navigates to a view that contains them. The following containers have multiple views and, so, are defined as navigator containers:
ViewStack
TabNavigator
Accordion
When you instantiate a navigator container, Flex creates all of the top-level children. For example, creating an ViewStack container triggers the creation of each of its views, but not the controls within those views. The creationPolicy property determines the creation of the child controls inside each view.
When you set the creationPolicy property to auto (the default value), navigator containers instantiate only the controls and their children that appear in the initial view.
When the user navigates to another panel in the Accordion container, the navigator container creates the next set of controls, and recursively creates the new view's controls and their descendants. You can use the ViewStack container's creationPolicy property to modify this behavior.
The possible varlues for creationPolicy are all, auto(default), none and queued.
Thanks,
Bhasker

Drvconfig not creating instances for my pseudo-driver

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